| Date /
Time |
LMN | JDA | TDA | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Total (KCFS) |
Spill (KCFS) |
% Spill |
Total (KCFS) |
Spill (KCFS) |
% Spill |
Total (KCFS) |
Spill (KCFS) |
% Spill |
|
| 04/01/1997 00 | 131.0 | 33.0 | 25.2 | 403.8 | 118.5 | 29.3 | 397.4 | 143.5 | 36.1 |
| 01 | 131.6 | 31.6 | 24.0 | 407.3 | 118.7 | 29.1 | 407.3 | 297.0 | 72.9 |
| 02 | 119.4 | 21.5 | 18.0 | 407.9 | 118.4 | 29.0 | 376.5 | 230.0 | 61.1 |
| 03 | 119.4 | 20.0 | 16.8 | 407.0 | 118.6 | 29.1 | 399.1 | 230.1 | 57.7 |
| 04 | 118.5 | 19.6 | 16.5 | 406.6 | 118.3 | 29.1 | 391.2 | 216.6 | 55.4 |
| 05 | 117.9 | 19.8 | 16.8 | 396.3 | 107.5 | 27.1 | 385.3 | 129.5 | 33.6 |
| 06 | 123.6 | 19.8 | 16.0 | 350.8 | 60.3 | 17.2 | 395.0 | 106.1 | 26.9 |
| 07 | 122.9 | 20.2 | 16.4 | 339.8 | 58.4 | 17.2 | 355.8 | 71.0 | 20.0 |
| 08 | 120.2 | 19.8 | 16.5 | 251.1 | 0.0 | 0.0 | 355.2 | 69.1 | 19.5 |
| 09 | 124.3 | 26.6 | 21.4 | 230.2 | 0.0 | 0.0 | 295.3 | 25.2 | 8.5 |
| 10 | 125.8 | 29.9 | 23.8 | 225.8 | 0.0 | 0.0 | 273.8 | 0.0 | 0.0 |
| 11 | 128.9 | 30.4 | 23.6 | 221.0 | 0.0 | 0.0 | 273.4 | 0.0 | 0.0 |
| 12 | 125.6 | 29.9 | 23.8 | 219.1 | 0.0 | 0.0 | 244.7 | 0.0 | 0.0 |
| 13 | 126.6 | 29.9 | 23.6 | 215.1 | 0.0 | 0.0 | 223.7 | 0.0 | 0.0 |
| 14 | 130.1 | 29.9 | 23.0 | 217.5 | 0.0 | 0.0 | 226.1 | 0.0 | 0.0 |
| 15 | 139.4 | 36.8 | 26.4 | 218.6 | 0.0 | 0.0 | 222.6 | 0.0 | 0.0 |
| 16 | 139.4 | 38.2 | 27.4 | 216.3 | 0.0 | 0.0 | 217.7 | 0.0 | 0.0 |
| 17 | 129.1 | 29.6 | 22.9 | 286.1 | 52.4 | 18.3 | 211.5 | 0.0 | 0.0 |
| 18 | 119.7 | 17.0 | 14.2 | 361.8 | 117.5 | 32.5 | 304.5 | 30.0 | 9.9 |
| 19 | 118.4 | 15.1 | 12.8 | 368.3 | 119.0 | 32.3 | 374.3 | 84.3 | 22.5 |
| 20 | 116.4 | 15.0 | 12.9 | 372.2 | 118.6 | 31.9 | 375.1 | 90.2 | 24.0 |
| 21 | 116.4 | 15.1 | 13.0 | 376.8 | 119.1 | 31.6 | 373.1 | 90.5 | 24.3 |
| 22 | 116.3 | 15.3 | 13.2 | 375.0 | 119.6 | 31.9 | 380.0 | 90.2 | 23.7 |
| 23 | 119.1 | 15.3 | 12.8 | 363.2 | 119.5 | 32.9 | 358.5 | 90.6 | 25.3 |
| 12-hour average | 120.3 | 19.9 | 16.4 | 387.2 | 117.8 | 30.5 | 376.9 | 143.5 | 37.2 |
| 24-hour average | 124.2 | 24.1 | 19.2 | 318.2 | 66.0 | 17.4 | 325.7 | 83.1 | 21.7 |
| 04/02/1997 00 | 100.7 | 14.8 | 14.7 | 364.2 | 119.7 | 32.9 | 342.9 | 90.5 | 26.4 |
| 01 | 87.2 | 14.2 | 16.3 | 361.2 | 119.7 | 33.1 | 350.5 | 90.5 | 25.8 |
| 02 | 82.0 | 0.0 | 0.0 | 367.5 | 119.8 | 32.6 | 350.3 | 89.0 | 25.4 |
| 03 | 78.3 | 0.0 | 0.0 | 367.1 | 119.4 | 32.5 | 350.5 | 65.7 | 18.7 |
| 04 | 78.2 | 0.0 | 0.0 | 367.8 | 119.3 | 32.4 | 349.9 | 66.0 | 18.9 |
| 05 | 77.3 | 0.0 | 0.0 | 378.7 | 121.5 | 32.1 | 353.0 | 66.2 | 18.8 |
| 06 | 76.1 | 0.0 | 0.0 | 377.2 | 119.2 | 31.6 | 355.1 | 67.0 | 18.9 |
| 07 | 86.4 | 0.0 | 0.0 | 389.0 | 119.3 | 30.7 | 351.9 | 66.0 | 18.8 |
| 08 | 102.9 | 0.0 | 0.0 | 385.5 | 124.9 | 32.4 | 391.7 | 90.0 | 23.0 |
| 09 | 101.4 | 0.0 | 0.0 | 368.4 | 118.5 | 32.2 | 384.3 | 90.0 | 23.4 |
| 10 | 101.1 | 0.0 | 0.0 | 379.8 | 120.8 | 31.8 | 389.4 | 90.0 | 23.1 |
| 11 | 115.3 | 14.4 | 12.5 | 381.3 | 120.5 | 31.6 | 379.2 | 90.0 | 23.7 |
| 12 | 124.4 | 22.3 | 17.9 | 388.5 | 122.5 | 31.5 | 377.1 | 90.0 | 23.9 |
| 13 | 123.8 | 39.6 | 32.0 | 386.3 | 120.5 | 31.2 | 369.1 | 90.0 | 24.4 |
| 14 | 121.2 | 39.5 | 32.6 | 382.5 | 120.2 | 31.4 | 361.3 | 90.0 | 24.9 |
| 15 | 120.5 | 39.6 | 32.9 | 381.5 | 118.8 | 31.1 | 374.4 | 90.0 | 24.0 |
| 16 | 123.9 | 40.3 | 32.5 | 384.6 | 119.0 | 30.9 | 372.0 | 90.3 | 24.3 |
| 17 | 119.1 | 37.7 | 31.7 | 382.0 | 118.8 | 31.1 | 370.9 | 89.6 | 24.2 |
| 18 | 114.1 | 16.3 | 14.3 | 404.1 | 118.4 | 29.3 | 385.2 | 89.6 | 23.3 |
| 19 | 115.4 | 16.3 | 14.1 | 406.9 | 118.4 | 29.1 | 393.4 | 89.5 | 22.8 |
| 20 | 117.4 | 16.6 | 14.1 | 405.9 | 115.6 | 28.5 | 385.7 | 88.4 | 22.9 |
| 21 | 113.7 | 15.0 | 13.2 | 361.0 | 73.5 | 20.4 | 352.0 | 60.8 | 17.3 |
| 22 | 113.4 | 14.8 | 13.1 | 327.2 | 40.1 | 12.3 | 350.8 | 59.7 | 17.0 |
| 23 | 113.3 | 14.8 | 13.1 | 329.4 | 65.8 | 20.0 | 351.2 | 60.6 | 17.3 |
| 12-hour average | 99.2 | 10.2 | 9.4 | 370.1 | 104.3 | 27.9 | 359.6 | 76.4 | 21.2 |
| 24-hour average | 104.5 | 14.8 | 12.7 | 376.1 | 112.3 | 29.7 | 366.3 | 81.2 | 22.1 |
| 04/03/1997 00 | 116.6 | 15.1 | 13.0 | 349.7 | 80.7 | 23.1 | 344.4 | 60.3 | 17.5 |
| 01 | 98.0 | 0.9 | 0.9 | 342.1 | 79.1 | 23.1 | 340.3 | 60.1 | 17.7 |
| 02 | 96.8 | 0.0 | 0.0 | 341.9 | 79.0 | 23.1 | 344.1 | 60.2 | 17.5 |
| 03 | 94.6 | 0.0 | 0.0 | 344.5 | 79.1 | 23.0 | 345.7 | 59.9 | 17.3 |
| 04 | 92.1 | 0.0 | 0.0 | 324.1 | 59.0 | 18.2 | 326.4 | 60.0 | 18.4 |
| 05 | 90.7 | 0.0 | 0.0 | 302.8 | 40.2 | 13.3 | 324.9 | 60.0 | 18.5 |
| 06 | 90.4 | 0.0 | 0.0 | 301.2 | 38.2 | 12.7 | 308.2 | 59.2 | 19.2 |
| 07 | 90.7 | 0.0 | 0.0 | 281.4 | 19.0 | 6.8 | 299.0 | 27.6 | 9.2 |
| 08 | 101.4 | 0.0 | 0.0 | 262.0 | 0.0 | 0.0 | 277.4 | 0.0 | 0.0 |
| 09 | 100.0 | 0.0 | 0.0 | 258.9 | 0.0 | 0.0 | 273.5 | 0.0 | 0.0 |
| 10 | 99.3 | 0.0 | 0.0 | 240.1 | 0.0 | 0.0 | 265.4 | 0.0 | 0.0 |
| 11 | 99.3 | 0.0 | 0.0 | 236.4 | 0.0 | 0.0 | 272.1 | 0.0 | 0.0 |
| 12 | 100.7 | 0.0 | 0.0 | 250.6 | 0.0 | 0.0 | 262.1 | 0.0 | 0.0 |
| 13 | 100.5 | 0.0 | 0.0 | 260.3 | 0.0 | 0.0 | 253.8 | 0.0 | 0.0 |
| 14 | 103.1 | 0.0 | 0.0 | 261.1 | 0.0 | 0.0 | 247.1 | 0.0 | 0.0 |
| 15 | 100.9 | 0.0 | 0.0 | 279.0 | 0.0 | 0.0 | 243.8 | 0.0 | 0.0 |
| 16 | 102.6 | 0.0 | 0.0 | 281.4 | 0.0 | 0.0 | 245.8 | 0.0 | 0.0 |
| 17 | 100.9 | 0.0 | 0.0 | 283.0 | 2.0 | 0.7 | 257.1 | 0.0 | 0.0 |
| 18 | 102.4 | 0.0 | 0.0 | 305.0 | 19.8 | 6.5 | 276.0 | 0.0 | 0.0 |
| 19 | 102.0 | 0.0 | 0.0 | 308.0 | 10.7 | 3.5 | 305.6 | 19.8 | 6.5 |
| 20 | 103.8 | 0.0 | 0.0 | 308.7 | 0.0 | 0.0 | 302.5 | 19.9 | 6.6 |
| 21 | 100.6 | 0.0 | 0.0 | 306.5 | 0.0 | 0.0 | 295.9 | 21.2 | 7.2 |
| 22 | 101.0 | 0.0 | 0.0 | 302.5 | 2.4 | 0.8 | 304.9 | 35.2 | 11.5 |
| 23 | 100.7 | 0.0 | 0.0 | 320.4 | 19.6 | 6.1 | 337.6 | 60.1 | 17.8 |
| 12-hour average | 99.9 | 1.3 | 1.2 | 321.3 | 39.1 | 11.7 | 320.7 | 43.1 | 13.0 |
| 24-hour average | 99.5 | 0.7 | 0.6 | 293.8 | 22.0 | 6.7 | 293.9 | 25.1 | 7.7 |
| 04/04/1997 00 | 102.8 | 0.0 | 0.0 | 323.9 | 19.6 | 6.1 | 332.3 | 60.2 | 18.1 |
| 01 | 101.9 | 0.0 | 0.0 | 320.5 | 19.6 | 6.1 | 324.6 | 60.5 | 18.6 |
| 02 | 100.9 | 0.0 | 0.0 | 323.1 | 20.6 | 6.4 | 344.1 | 60.0 | 17.4 |
| 03 | 101.1 | 0.0 | 0.0 | 345.6 | 40.0 | 11.6 | 341.5 | 52.6 | 15.4 |
| 04 | 100.8 | 0.0 | 0.0 | 346.0 | 39.9 | 11.5 | 319.9 | 40.8 | 12.8 |
| 05 | 102.7 | 0.0 | 0.0 | 348.8 | 39.9 | 11.4 | 330.4 | 40.8 | 12.3 |
| 06 | 100.6 | 0.0 | 0.0 | 348.9 | 39.9 | 11.4 | 334.4 | 41.1 | 12.3 |
| 07 | 101.6 | 0.0 | 0.0 | 323.9 | 14.7 | 4.5 | 338.9 | 41.8 | 12.3 |
| 08 | 99.5 | 0.0 | 0.0 | 309.3 | 0.0 | 0.0 | 333.0 | 40.0 | 12.0 |
| 09 | 101.0 | 0.0 | 0.0 | 306.8 | 0.0 | 0.0 | 290.9 | 0.0 | 0.0 |
| 10 | 100.9 | 0.0 | 0.0 | 286.8 | 0.0 | 0.0 | 287.9 | 0.0 | 0.0 |
| 11 | 111.0 | 7.9 | 7.1 | 285.6 | 0.0 | 0.0 | 290.6 | 0.0 | 0.0 |
| 12 | 111.8 | 10.7 | 9.6 | 288.1 | 0.0 | 0.0 | 291.0 | 0.0 | 0.0 |
| 13 | 111.8 | 10.7 | 9.6 | 282.8 | 0.0 | 0.0 | 289.6 | 0.0 | 0.0 |
| 14 | 112.4 | 10.7 | 9.5 | 304.5 | 0.0 | 0.0 | 289.9 | 0.0 | 0.0 |
| 15 | 114.2 | 10.8 | 9.5 | 305.4 | 0.0 | 0.0 | 289.8 | 0.0 | 0.0 |
| 16 | 113.8 | 10.5 | 9.2 | 305.9 | 0.0 | 0.0 | 289.1 | 0.0 | 0.0 |
| 17 | 111.0 | 9.6 | 8.6 | 305.5 | 0.0 | 0.0 | 286.8 | 0.0 | 0.0 |
| 18 | 101.7 | 0.0 | 0.0 | 305.9 | 0.0 | 0.0 | 287.6 | 0.0 | 0.0 |
| 19 | 103.9 | 0.0 | 0.0 | 307.6 | 0.0 | 0.0 | 286.6 | 0.0 | 0.0 |
| 20 | 101.5 | 0.0 | 0.0 | 306.1 | 0.0 | 0.0 | 283.8 | 0.0 | 0.0 |
| 21 | 101.3 | 0.0 | 0.0 | 309.2 | 0.0 | 0.0 | 316.3 | 25.9 | 8.2 |
| 22 | 101.2 | 0.0 | 0.0 | 308.1 | 0.0 | 0.0 | 312.2 | 25.8 | 8.3 |
| 23 | 103.8 | 0.0 | 0.0 | 297.2 | 0.0 | 0.0 | 310.1 | 25.4 | 8.2 |
| 12-hour average | 102.0 | 0.0 | 0.0 | 320.2 | 15.0 | 4.4 | 315.8 | 32.7 | 9.9 |
| 24-hour average | 104.7 | 3.0 | 2.6 | 312.3 | 9.8 | 2.9 | 308.4 | 21.5 | 6.5 |
| 04/05/1997 00 | 101.9 | 0.0 | 0.0 | 298.6 | 0.0 | 0.0 | 304.5 | 15.5 | 5.1 |
| 01 | 100.5 | 0.0 | 0.0 | 295.1 | 0.0 | 0.0 | 303.1 | 15.5 | 5.1 |
| 02 | 100.7 | 0.0 | 0.0 | 304.8 | 0.0 | 0.0 | 309.2 | 15.5 | 5.0 |
| 03 | 101.8 | 0.0 | 0.0 | 305.5 | 0.0 | 0.0 | 308.0 | 15.5 | 5.0 |
| 04 | 101.0 | 0.0 | 0.0 | 312.7 | 0.0 | 0.0 | 308.7 | 15.5 | 5.0 |
| 05 | 86.1 | 0.0 | 0.0 | 298.1 | 0.0 | 0.0 | 307.0 | 15.5 | 5.0 |
| 06 | 80.9 | 0.0 | 0.0 | 296.2 | 0.0 | 0.0 | 305.9 | 15.0 | 4.9 |
| 07 | 85.6 | 0.0 | 0.0 | 297.6 | 0.0 | 0.0 | 307.3 | 15.0 | 4.9 |
| 08 | 84.4 | 0.0 | 0.0 | 297.1 | 0.0 | 0.0 | 308.7 | 15.0 | 4.9 |
| 09 | 91.6 | 0.0 | 0.0 | 297.9 | 0.0 | 0.0 | 308.2 | 15.0 | 4.9 |
| 10 | 100.6 | 0.0 | 0.0 | 300.0 | 0.0 | 0.0 | 307.6 | 15.0 | 4.9 |
| 11 | 102.3 | 0.0 | 0.0 | 297.6 | 0.0 | 0.0 | 288.3 | 0.0 | 0.0 |
| 12 | 99.7 | 0.0 | 0.0 | 297.0 | 0.0 | 0.0 | 287.2 | 0.0 | 0.0 |
| 13 | 98.6 | 0.0 | 0.0 | 296.1 | 0.0 | 0.0 | 287.0 | 0.0 | 0.0 |
| 14 | 84.6 | 0.0 | 0.0 | 295.6 | 0.0 | 0.0 | 287.2 | 0.0 | 0.0 |
| 15 | 85.2 | 0.0 | 0.0 | 295.7 | 0.0 | 0.0 | 288.2 | 0.0 | 0.0 |
| 16 | 83.6 | 0.0 | 0.0 | 295.6 | 0.0 | 0.0 | 290.0 | 0.0 | 0.0 |
| 17 | 83.5 | 0.0 | 0.0 | 298.9 | 0.0 | 0.0 | 291.3 | 0.0 | 0.0 |
| 18 | 84.0 | 0.0 | 0.0 | 297.7 | 0.0 | 0.0 | 291.5 | 0.0 | 0.0 |
| 19 | 103.4 | 0.0 | 0.0 | 299.0 | 0.0 | 0.0 | 294.2 | 0.0 | 0.0 |
| 20 | 100.7 | 0.0 | 0.0 | 299.2 | 0.0 | 0.0 | 294.6 | 0.0 | 0.0 |
| 21 | 100.6 | 0.0 | 0.0 | 295.9 | 0.0 | 0.0 | 292.4 | 0.0 | 0.0 |
| 22 | 101.7 | 0.0 | 0.0 | 278.1 | 0.0 | 0.0 | 293.0 | 0.0 | 0.0 |
| 23 | 100.8 | 0.0 | 0.0 | 276.1 | 0.0 | 0.0 | 290.5 | 0.0 | 0.0 |
| 12-hour average | 98.6 | 0.0 | 0.0 | 296.7 | 0.0 | 0.0 | 299.7 | 7.8 | 2.5 |
| 24-hour average | 94.3 | 0.0 | 0.0 | 296.9 | 0.0 | 0.0 | 298.1 | 7.0 | 2.3 |
| 04/06/1997 00 | 98.6 | 0.0 | 0.0 | 277.7 | 0.0 | 0.0 | 275.3 | 0.0 | 0.0 |
| 01 | 98.6 | 0.0 | 0.0 | 275.8 | 0.0 | 0.0 | 266.8 | 0.0 | 0.0 |
| 02 | 99.9 | 0.0 | 0.0 | 277.7 | 0.0 | 0.0 | 266.5 | 0.0 | 0.0 |
| 03 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 04 | 98.4 | 0.0 | 0.0 | 277.7 | 0.0 | 0.0 | 258.7 | 0.0 | 0.0 |
| 05 | 97.6 | 0.0 | 0.0 | 277.3 | 0.0 | 0.0 | 266.2 | 0.0 | 0.0 |
| 06 | 99.2 | 0.0 | 0.0 | 277.9 | 0.0 | 0.0 | 285.0 | 0.0 | 0.0 |
| 07 | 99.7 | 0.0 | 0.0 | 284.9 | 0.0 | 0.0 | 285.4 | 0.0 | 0.0 |
| 08 | 99.5 | 0.0 | 0.0 | 280.9 | 0.0 | 0.0 | 288.4 | 0.0 | 0.0 |
| 09 | 98.0 | 0.0 | 0.0 | 277.2 | 0.0 | 0.0 | 286.6 | 0.0 | 0.0 |
| 10 | 97.9 | 0.0 | 0.0 | 259.2 | 0.0 | 0.0 | 272.5 | 0.0 | 0.0 |
| 11 | 99.1 | 0.0 | 0.0 | 226.2 | 0.0 | 0.0 | 239.9 | 0.0 | 0.0 |
| 12 | 97.3 | 0.0 | 0.0 | 220.4 | 0.0 | 0.0 | 226.6 | 0.0 | 0.0 |
| 13 | 97.2 | 0.0 | 0.0 | 213.4 | 0.0 | 0.0 | 225.3 | 0.0 | 0.0 |
| 14 | 96.8 | 0.0 | 0.0 | 203.2 | 0.0 | 0.0 | 209.9 | 0.0 | 0.0 |
| 15 | 97.9 | 0.0 | 0.0 | 196.9 | 0.0 | 0.0 | 202.7 | 0.0 | 0.0 |
| 16 | 80.8 | 0.0 | 0.0 | 194.3 | 0.0 | 0.0 | 195.9 | 0.0 | 0.0 |
| 17 | 80.1 | 0.0 | 0.0 | 191.6 | 0.0 | 0.0 | 197.3 | 0.0 | 0.0 |
| 18 | 79.9 | 0.0 | 0.0 | 191.4 | 0.0 | 0.0 | 194.8 | 0.0 | 0.0 |
| 19 | 81.2 | 0.0 | 0.0 | 199.5 | 0.0 | 0.0 | 199.0 | 0.0 | 0.0 |
| 20 | 83.5 | 0.0 | 0.0 | 231.7 | 0.0 | 0.0 | 210.3 | 0.0 | 0.0 |
| 21 | 101.5 | 0.0 | 0.0 | 257.2 | 0.0 | 0.0 | 245.2 | 0.0 | 0.0 |
| 22 | 101.7 | 0.0 | 0.0 | 272.7 | 0.0 | 0.0 | 253.1 | 0.0 | 0.0 |
| 23 | 102.3 | 0.0 | 0.0 | 259.8 | 0.0 | 0.0 | 249.0 | 0.0 | 0.0 |
| 12-hour average | 94.8 | 0.0 | 0.0 | 254.4 | 0.0 | 0.0 | 244.1 | 0.0 | 0.0 |
| 24-hour average | 95.1 | 0.0 | 0.0 | 244.5 | 0.0 | 0.0 | 243.5 | 0.0 | 0.0 |
| 04/07/1997 00 | 90.8 | 0.0 | 0.0 | 224.1 | 0.0 | 0.0 | 234.4 | 0.0 | 0.0 |
| 01 | 76.5 | 0.0 | 0.0 | 234.7 | 0.0 | 0.0 | 241.6 | 0.0 | 0.0 |
| 02 | 69.3 | 0.0 | 0.0 | 270.1 | 0.0 | 0.0 | 238.5 | 0.0 | 0.0 |
| 03 | 68.1 | 0.0 | 0.0 | 286.1 | 0.0 | 0.0 | 246.6 | 0.0 | 0.0 |
| 04 | 66.9 | 0.0 | 0.0 | 282.6 | 0.0 | 0.0 | 270.8 | 0.0 | 0.0 |
| 05 | 67.4 | 0.0 | 0.0 | 289.4 | 0.0 | 0.0 | 289.5 | 0.0 | 0.0 |
| 06 | 83.5 | 0.0 | 0.0 | 274.6 | 0.0 | 0.0 | 279.8 | 0.0 | 0.0 |
| 07 | 85.8 | 0.0 | 0.0 | 276.5 | 0.0 | 0.0 | 276.7 | 0.0 | 0.0 |
| 08 | 84.9 | 0.0 | 0.0 | 277.9 | 0.0 | 0.0 | 279.1 | 0.0 | 0.0 |
| 09 | 100.9 | 0.0 | 0.0 | 280.6 | 0.0 | 0.0 | 276.0 | 0.0 | 0.0 |
| 10 | 103.0 | 0.0 | 0.0 | 277.5 | 0.0 | 0.0 | 268.0 | 0.0 | 0.0 |
| 11 | 103.6 | 0.0 | 0.0 | 278.2 | 0.0 | 0.0 | 267.0 | 0.0 | 0.0 |
| 12 | 103.3 | 0.0 | 0.0 | 275.3 | 0.0 | 0.0 | 267.8 | 0.0 | 0.0 |
| 13 | 102.9 | 0.0 | 0.0 | 268.1 | 0.0 | 0.0 | 269.0 | 0.0 | 0.0 |
| 14 | 93.6 | 0.0 | 0.0 | 269.1 | 0.0 | 0.0 | 270.2 | 0.0 | 0.0 |
| 15 | 93.2 | 0.0 | 0.0 | 269.0 | 0.0 | 0.0 | 269.0 | 0.0 | 0.0 |
| 16 | 91.3 | 0.0 | 0.0 | 268.4 | 0.0 | 0.0 | 268.3 | 0.0 | 0.0 |
| 17 | 91.3 | 0.0 | 0.0 | 288.3 | 0.0 | 0.0 | 270.2 | 0.0 | 0.0 |
| 18 | 91.7 | 0.0 | 0.0 | 290.6 | 0.0 | 0.0 | 268.3 | 0.0 | 0.0 |
| 19 | 100.7 | 0.0 | 0.0 | 293.4 | 0.0 | 0.0 | 268.0 | 0.0 | 0.0 |
| 20 | 99.4 | 0.0 | 0.0 | 295.8 | 0.0 | 0.0 | 266.6 | 0.0 | 0.0 |
| 21 | 101.9 | 0.0 | 0.0 | 296.3 | 0.0 | 0.0 | 267.7 | 0.0 | 0.0 |
| 22 | 102.1 | 0.0 | 0.0 | 276.3 | 0.0 | 0.0 | 265.5 | 0.0 | 0.0 |
| 23 | 101.5 | 0.0 | 0.0 | 278.7 | 0.0 | 0.0 | 264.3 | 0.0 | 0.0 |
| 12-hour average | 86.4 | 0.0 | 0.0 | 276.5 | 0.0 | 0.0 | 260.1 | 0.0 | 0.0 |
| 24-hour average | 90.6 | 0.0 | 0.0 | 275.9 | 0.0 | 0.0 | 266.0 | 0.0 | 0.0 |
| 04/08/1997 00 | 101.3 | 0.0 | 0.0 | 243.0 | 0.0 | 0.0 | 269.6 | 0.0 | 0.0 |
| 01 | 98.5 | 0.0 | 0.0 | 236.2 | 0.0 | 0.0 | 278.6 | 0.0 | 0.0 |
| 02 | 100.4 | 0.0 | 0.0 | 229.0 | 0.0 | 0.0 | 277.4 | 0.0 | 0.0 |
| 03 | 101.3 | 0.0 | 0.0 | 215.5 | 0.0 | 0.0 | 252.9 | 0.0 | 0.0 |
| 04 | 84.3 | 0.0 | 0.0 | 212.5 | 0.0 | 0.0 | 233.6 | 0.0 | 0.0 |
| 05 | 84.4 | 0.0 | 0.0 | 219.2 | 0.0 | 0.0 | 224.5 | 0.0 | 0.0 |
| 06 | 85.8 | 0.0 | 0.0 | 220.8 | 0.0 | 0.0 | 214.2 | 0.0 | 0.0 |
| 07 | 86.6 | 0.0 | 0.0 | 262.6 | 0.0 | 0.0 | 232.6 | 0.0 | 0.0 |
| 08 | 100.4 | 0.0 | 0.0 | 267.9 | 0.0 | 0.0 | 269.5 | 0.0 | 0.0 |
| 09 | 102.3 | 0.0 | 0.0 | 273.5 | 0.0 | 0.0 | 271.6 | 0.0 | 0.0 |
| 10 | 103.3 | 0.0 | 0.0 | 272.6 | 0.0 | 0.0 | 276.5 | 0.0 | 0.0 |
| 11 | 101.9 | 0.3 | 0.3 | 273.4 | 0.0 | 0.0 | 270.2 | 0.0 | 0.0 |
| 12 | 109.3 | 7.7 | 7.0 | 273.0 | 0.0 | 0.0 | 271.4 | 0.0 | 0.0 |
| 13 | 109.3 | 7.7 | 7.0 | 273.3 | 0.0 | 0.0 | 279.1 | 0.0 | 0.0 |
| 14 | 111.2 | 7.8 | 7.0 | 274.5 | 0.0 | 0.0 | 276.8 | 0.0 | 0.0 |
| 15 | 109.2 | 7.8 | 7.1 | 273.3 | 0.0 | 0.0 | 272.7 | 0.0 | 0.0 |
| 16 | 122.1 | 20.3 | 16.6 | 272.6 | 0.0 | 0.0 | 272.0 | 0.0 | 0.0 |
| 17 | 122.4 | 20.4 | 16.7 | 274.5 | 0.0 | 0.0 | 279.7 | 0.0 | 0.0 |
| 18 | 113.1 | 9.7 | 8.6 | 272.4 | 0.0 | 0.0 | 268.0 | 0.0 | 0.0 |
| 19 | 100.7 | 0.0 | 0.0 | 272.6 | 0.0 | 0.0 | 258.9 | 0.0 | 0.0 |
| 20 | 100.3 | 0.0 | 0.0 | 274.2 | 0.0 | 0.0 | 272.6 | 0.0 | 0.0 |
| 21 | 102.8 | 0.0 | 0.0 | 275.1 | 0.0 | 0.0 | 274.1 | 0.0 | 0.0 |
| 22 | 99.1 | 0.0 | 0.0 | 274.0 | 0.0 | 0.0 | 270.3 | 0.0 | 0.0 |
| 23 | 100.0 | 0.0 | 0.0 | 265.6 | 0.0 | 0.0 | 265.1 | 0.0 | 0.0 |
| 12-hour average | 98.9 | 0.8 | 0.7 | 249.1 | 0.0 | 0.0 | 262.1 | 0.0 | 0.0 |
| 24-hour average | 102.1 | 3.4 | 2.9 | 258.4 | 0.0 | 0.0 | 263.8 | 0.0 | 0.0 |
| 04/09/1997 00 | 97.5 | 0.0 | 0.0 | 263.2 | 0.0 | 0.0 | 265.5 | 0.0 | 0.0 |
| 01 | 86.9 | 0.0 | 0.0 | 266.9 | 0.0 | 0.0 | 270.7 | 0.0 | 0.0 |
| 02 | 77.8 | 0.0 | 0.0 | 267.7 | 0.0 | 0.0 | 233.6 | 0.0 | 0.0 |
| 03 | 69.6 | 0.0 | 0.0 | 273.6 | 0.0 | 0.0 | 275.1 | 0.0 | 0.0 |
| 04 | 69.5 | 0.0 | 0.0 | 276.0 | 0.0 | 0.0 | 271.2 | 0.0 | 0.0 |
| 05 | 58.1 | 0.0 | 0.0 | 271.7 | 0.0 | 0.0 | 273.8 | 0.0 | 0.0 |
| 06 | 70.0 | 0.0 | 0.0 | 271.7 | 0.0 | 0.0 | 273.2 | 0.0 | 0.0 |
| 07 | 86.7 | 0.0 | 0.0 | 273.1 | 0.0 | 0.0 | 275.4 | 0.0 | 0.0 |
| 08 | 101.3 | 0.0 | 0.0 | 270.9 | 0.0 | 0.0 | 280.7 | 0.0 | 0.0 |
| 09 | 103.9 | 0.0 | 0.0 | 272.7 | 0.0 | 0.0 | 269.3 | 0.0 | 0.0 |
| 10 | 101.3 | 0.0 | 0.0 | 270.8 | 0.0 | 0.0 | 269.7 | 0.0 | 0.0 |
| 11 | 101.0 | 0.0 | 0.0 | 261.5 | 0.0 | 0.0 | 260.6 | 0.0 | 0.0 |
| 12 | 100.6 | 0.0 | 0.0 | 259.7 | 0.0 | 0.0 | 254.9 | 0.0 | 0.0 |
| 13 | 103.5 | 0.0 | 0.0 | 260.3 | 0.0 | 0.0 | 257.4 | 0.0 | 0.0 |
| 14 | 99.5 | 0.0 | 0.0 | 257.6 | 0.0 | 0.0 | 249.4 | 0.0 | 0.0 |
| 15 | 90.4 | 0.0 | 0.0 | 270.9 | 0.0 | 0.0 | 254.3 | 0.0 | 0.0 |
| 16 | 82.9 | 0.0 | 0.0 | 270.1 | 0.0 | 0.0 | 252.1 | 0.0 | 0.0 |
| 17 | 82.2 | 0.0 | 0.0 | 271.1 | 0.0 | 0.0 | 254.9 | 0.0 | 0.0 |
| 18 | 90.3 | 0.0 | 0.0 | 271.3 | 0.0 | 0.0 | 264.1 | 0.0 | 0.0 |
| 19 | 109.8 | 0.0 | 0.0 | 273.4 | 0.0 | 0.0 | 263.7 | 0.0 | 0.0 |
| 20 | 112.0 | 0.0 | 0.0 | 273.5 | 0.0 | 0.0 | 267.0 | 0.0 | 0.0 |
| 21 | 120.2 | 0.0 | 0.0 | 270.0 | 0.0 | 0.0 | 272.6 | 0.0 | 0.0 |
| 22 | 117.7 | 0.0 | 0.0 | 270.4 | 0.0 | 0.0 | 262.7 | 0.0 | 0.0 |
| 23 | 108.7 | 0.0 | 0.0 | 263.6 | 0.0 | 0.0 | 223.8 | 0.0 | 0.0 |
| 12-hour average | 93.2 | 0.0 | 0.0 | 270.1 | 0.0 | 0.0 | 262.0 | 0.0 | 0.0 |
| 24-hour average | 93.4 | 0.0 | 0.0 | 268.8 | 0.0 | 0.0 | 262.3 | 0.0 | 0.0 |
| 04/10/1997 00 | 95.8 | 0.0 | 0.0 | 259.8 | 0.0 | 0.0 | 227.7 | 0.0 | 0.0 |
| 01 | 116.9 | 0.0 | 0.0 | 260.3 | 0.0 | 0.0 | 225.1 | 0.0 | 0.0 |
| 02 | 118.3 | 0.0 | 0.0 | 260.9 | 0.0 | 0.0 | 248.9 | 0.0 | 0.0 |
| 03 | 117.5 | 0.0 | 0.0 | 261.2 | 0.0 | 0.0 | 244.0 | 0.0 | 0.0 |
| 04 | 100.7 | 0.0 | 0.0 | 260.9 | 0.0 | 0.0 | 255.1 | 0.0 | 0.0 |
| 05 | 83.0 | 0.0 | 0.0 | 276.3 | 0.0 | 0.0 | 258.5 | 0.0 | 0.0 |
| 06 | 85.7 | 0.0 | 0.0 | 274.2 | 0.0 | 0.0 | 271.1 | 0.0 | 0.0 |
| 07 | 85.9 | 0.0 | 0.0 | 272.9 | 0.0 | 0.0 | 273.9 | 0.0 | 0.0 |
| 08 | 89.1 | 0.0 | 0.0 | 274.5 | 0.0 | 0.0 | 274.5 | 0.0 | 0.0 |
| 09 | 88.2 | 0.0 | 0.0 | 277.0 | 0.0 | 0.0 | 272.5 | 0.0 | 0.0 |
| 10 | 103.0 | 0.0 | 0.0 | 280.0 | 0.0 | 0.0 | 273.1 | 5.8 | 2.1 |
| 11 | 110.0 | 0.0 | 0.0 | 274.4 | 0.0 | 0.0 | 320.0 | 192.7 | 60.2 |
| 12 | 117.1 | 0.0 | 0.0 | 275.6 | 0.0 | 0.0 | 308.6 | 193.0 | 62.5 |
| 13 | 120.7 | 0.0 | 0.0 | 274.7 | 0.0 | 0.0 | 304.2 | 190.8 | 62.7 |
| 14 | 119.1 | 0.0 | 0.0 | 273.7 | 0.0 | 0.0 | 297.1 | 191.8 | 64.6 |
| 15 | 118.8 | 0.0 | 0.0 | 273.3 | 0.0 | 0.0 | 291.0 | 190.6 | 65.5 |
| 16 | 112.3 | 0.0 | 0.0 | 272.5 | 0.0 | 0.0 | 290.0 | 190.0 | 65.5 |
| 17 | 109.3 | 0.0 | 0.0 | 271.8 | 0.0 | 0.0 | 272.1 | 170.0 | 62.5 |
| 18 | 94.0 | 0.0 | 0.0 | 268.1 | 0.0 | 0.0 | 263.6 | 0.0 | 0.0 |
| 19 | 96.5 | 32.3 | 33.5 | 284.4 | 0.0 | 0.0 | 282.8 | 0.0 | 0.0 |
| 20 | 91.6 | 40.6 | 44.3 | 290.5 | 0.0 | 0.0 | 293.0 | 0.0 | 0.0 |
| 21 | 93.0 | 41.3 | 44.4 | 295.3 | 0.0 | 0.0 | 291.1 | 0.0 | 0.0 |
| 22 | 89.2 | 40.6 | 45.5 | 290.4 | 0.0 | 0.0 | 288.0 | 0.0 | 0.0 |
| 23 | 80.2 | 40.6 | 50.6 | 257.3 | 0.0 | 0.0 | 247.8 | 0.0 | 0.0 |
| 12-hour average | 98.1 | 16.3 | 18.2 | 272.1 | 0.0 | 0.0 | 260.5 | 0.0 | 0.0 |
| 24-hour average | 101.5 | 8.1 | 9.1 | 273.3 | 0.0 | 0.0 | 273.9 | 55.2 | 18.6 |
| 04/11/1997 00 | 80.0 | 40.6 | 50.8 | 243.0 | 0.0 | 0.0 | 231.7 | 0.0 | 0.0 |
| 01 | 81.6 | 41.4 | 50.7 | 239.9 | 0.0 | 0.0 | 224.9 | 0.0 | 0.0 |
| 02 | 79.5 | 40.6 | 51.1 | 247.7 | 0.0 | 0.0 | 227.2 | 0.0 | 0.0 |
| 03 | 70.4 | 40.6 | 57.7 | 270.3 | 0.0 | 0.0 | 226.8 | 0.0 | 0.0 |
| 04 | 70.0 | 40.6 | 58.0 | 289.0 | 0.0 | 0.0 | 243.0 | 0.0 | 0.0 |
| 05 | 75.4 | 40.6 | 53.8 | 287.7 | 0.0 | 0.0 | 254.0 | 0.0 | 0.0 |
| 06 | 77.5 | 39.5 | 51.0 | 289.8 | 0.0 | 0.0 | 276.7 | 0.0 | 0.0 |
| 07 | 97.7 | 0.5 | 0.5 | 299.1 | 0.0 | 0.0 | 290.5 | 0.0 | 0.0 |
| 08 | 100.4 | 0.0 | 0.0 | 297.5 | 0.0 | 0.0 | 290.2 | 0.0 | 0.0 |
| 09 | 109.6 | 0.0 | 0.0 | 289.0 | 0.0 | 0.0 | 287.1 | 0.0 | 0.0 |
| 10 | 117.0 | 0.0 | 0.0 | 285.7 | 0.0 | 0.0 | 285.3 | 0.0 | 0.0 |
| 11 | 115.1 | 0.0 | 0.0 | 282.8 | 0.0 | 0.0 | 349.2 | 192.0 | 55.0 |
| 12 | 114.8 | 0.0 | 0.0 | 287.8 | 0.0 | 0.0 | 312.6 | 192.0 | 61.4 |
| 13 | 100.7 | 0.0 | 0.0 | 287.9 | 0.0 | 0.0 | 294.4 | 185.0 | 62.8 |
| 14 | 101.3 | 0.0 | 0.0 | 285.9 | 0.0 | 0.0 | 292.0 | 185.0 | 63.4 |
| 15 | 84.8 | 0.0 | 0.0 | 285.8 | 0.0 | 0.0 | 287.8 | 185.0 | 64.3 |
| 16 | 84.1 | 0.0 | 0.0 | 291.9 | 0.0 | 0.0 | 280.5 | 168.0 | 59.9 |
| 17 | 81.8 | 0.0 | 0.0 | 280.8 | 0.0 | 0.0 | 279.5 | 168.0 | 60.1 |
| 18 | 81.3 | 0.0 | 0.0 | 287.6 | 0.0 | 0.0 | 283.6 | 168.0 | 59.2 |
| 19 | 66.2 | 18.5 | 27.9 | 287.7 | 0.0 | 0.0 | 281.8 | 168.0 | 59.6 |
| 20 | 76.4 | 26.5 | 34.7 | 290.7 | 0.0 | 0.0 | 288.2 | 168.0 | 58.3 |
| 21 | 96.7 | 40.2 | 41.6 | 279.4 | 0.0 | 0.0 | 238.6 | 0.0 | 0.0 |
| 22 | 96.1 | 39.9 | 41.5 | 277.2 | 0.0 | 0.0 | 283.2 | 0.0 | 0.0 |
| 23 | 97.8 | 40.5 | 41.4 | 272.6 | 0.0 | 0.0 | 255.7 | 0.0 | 0.0 |
| 12-hour average | 81.0 | 34.2 | 42.4 | 272.7 | 0.0 | 0.0 | 253.2 | 42.0 | 14.8 |
| 24-hour average | 89.8 | 18.8 | 23.4 | 280.7 | 0.0 | 0.0 | 273.5 | 74.1 | 25.2 |
| 04/12/1997 00 | 95.9 | 39.8 | 41.5 | 258.2 | 0.0 | 0.0 | 236.5 | 0.0 | 0.0 |
| 01 | 90.9 | 39.8 | 43.8 | 257.9 | 0.0 | 0.0 | 235.1 | 0.0 | 0.0 |
| 02 | 83.5 | 39.9 | 47.8 | 256.8 | 0.0 | 0.0 | 234.9 | 0.0 | 0.0 |
| 03 | 70.3 | 40.5 | 57.6 | 258.9 | 0.0 | 0.0 | 243.8 | 0.0 | 0.0 |
| 04 | 67.5 | 39.8 | 59.0 | 260.9 | 0.0 | 0.0 | 256.7 | 0.0 | 0.0 |
| 05 | 69.1 | 39.9 | 57.7 | 263.0 | 0.0 | 0.0 | 257.1 | 0.0 | 0.0 |
| 06 | 67.6 | 38.7 | 57.2 | 280.9 | 0.0 | 0.0 | 263.4 | 0.0 | 0.0 |
| 07 | 70.8 | 1.5 | 2.1 | 290.2 | 0.0 | 0.0 | 273.7 | 0.0 | 0.0 |
| 08 | 72.5 | 0.0 | 0.0 | 286.0 | 0.0 | 0.0 | 272.9 | 0.0 | 0.0 |
| 09 | 83.0 | 0.0 | 0.0 | 278.1 | 0.0 | 0.0 | 285.9 | 0.0 | 0.0 |
| 10 | 81.7 | 0.0 | 0.0 | 274.2 | 0.0 | 0.0 | 277.5 | 0.0 | 0.0 |
| 11 | 82.8 | 0.0 | 0.0 | 270.6 | 0.0 | 0.0 | 305.2 | 170.0 | 55.7 |
| 12 | 87.3 | 0.0 | 0.0 | 267.2 | 0.0 | 0.0 | 295.1 | 170.0 | 57.6 |
| 13 | 94.9 | 0.0 | 0.0 | 264.3 | 0.0 | 0.0 | 284.7 | 170.0 | 59.7 |
| 14 | 98.6 | 0.0 | 0.0 | 256.6 | 0.0 | 0.0 | 260.5 | 160.0 | 61.4 |
| 15 | 101.1 | 0.0 | 0.0 | 253.6 | 0.0 | 0.0 | 255.9 | 160.0 | 62.5 |
| 16 | 100.8 | 0.0 | 0.0 | 251.7 | 0.0 | 0.0 | 254.7 | 160.0 | 62.8 |
| 17 | 98.9 | 0.0 | 0.0 | 246.8 | 0.0 | 0.0 | 255.5 | 160.0 | 62.6 |
| 18 | 97.0 | 0.0 | 0.0 | 238.5 | 0.0 | 0.0 | 239.0 | 145.0 | 60.7 |
| 19 | 101.4 | 37.9 | 37.4 | 236.0 | 0.0 | 0.0 | 236.9 | 145.0 | 61.2 |
| 20 | 99.9 | 39.8 | 39.8 | 240.6 | 0.0 | 0.0 | 242.0 | 145.0 | 59.9 |
| 21 | 93.0 | 39.9 | 42.9 | 238.1 | 0.0 | 0.0 | 229.5 | 0.0 | 0.0 |
| 22 | 90.2 | 39.9 | 44.2 | 240.4 | 0.0 | 0.0 | 235.4 | 0.0 | 0.0 |
| 23 | 86.2 | 40.5 | 47.0 | 212.3 | 0.0 | 0.0 | 212.7 | 0.0 | 0.0 |
| 12-hour average | 87.1 | 36.5 | 43.2 | 246.8 | 0.0 | 0.0 | 238.3 | 36.2 | 15.2 |
| 24-hour average | 86.9 | 19.9 | 24.1 | 257.6 | 0.0 | 0.0 | 256.0 | 66.0 | 25.2 |
| 04/13/1997 00 | 84.4 | 39.8 | 47.2 | 194.5 | 0.0 | 0.0 | 187.5 | 0.0 | 0.0 |
| 01 | 85.7 | 39.9 | 46.6 | 191.9 | 0.0 | 0.0 | 170.0 | 0.0 | 0.0 |
| 02 | 74.4 | 39.8 | 53.5 | 195.1 | 0.0 | 0.0 | 169.6 | 0.0 | 0.0 |
| 03 | 70.6 | 40.6 | 57.5 | 196.8 | 0.0 | 0.0 | 168.6 | 0.0 | 0.0 |
| 04 | 69.1 | 39.8 | 57.6 | 195.9 | 0.0 | 0.0 | 168.6 | 0.0 | 0.0 |
| 05 | 69.0 | 39.8 | 57.7 | 199.5 | 0.0 | 0.0 | 174.7 | 0.0 | 0.0 |
| 06 | 68.4 | 37.9 | 55.4 | 212.8 | 0.0 | 0.0 | 202.4 | 0.0 | 0.0 |
| 07 | 75.6 | 1.7 | 2.2 | 227.0 | 0.0 | 0.0 | 231.2 | 0.0 | 0.0 |
| 08 | 84.6 | 0.0 | 0.0 | 233.7 | 0.0 | 0.0 | 245.8 | 0.0 | 0.0 |
| 09 | 92.3 | 0.0 | 0.0 | 230.3 | 0.0 | 0.0 | 248.5 | 0.0 | 0.0 |
| 10 | 99.3 | 0.0 | 0.0 | 222.0 | 0.0 | 0.0 | 246.5 | 0.0 | 0.0 |
| 11 | 102.1 | 0.0 | 0.0 | 233.1 | 0.0 | 0.0 | 265.1 | 138.0 | 52.1 |
| 12 | 101.7 | 0.0 | 0.0 | 227.2 | 0.0 | 0.0 | 246.4 | 138.0 | 56.0 |
| 13 | 89.6 | 0.0 | 0.0 | 213.2 | 0.0 | 0.0 | 224.4 | 125.0 | 55.7 |
| 14 | 87.4 | 0.0 | 0.0 | 208.9 | 0.0 | 0.0 | 206.2 | 125.0 | 60.6 |
| 15 | 82.4 | 0.0 | 0.0 | 202.1 | 0.0 | 0.0 | 203.9 | 125.0 | 61.3 |
| 16 | 73.6 | 0.0 | 0.0 | 200.5 | 0.0 | 0.0 | 180.4 | 110.0 | 61.0 |
| 17 | 74.6 | 0.0 | 0.0 | 193.4 | 0.0 | 0.0 | 181.6 | 110.0 | 60.6 |
| 18 | 74.9 | 1.8 | 2.4 | 193.2 | 0.0 | 0.0 | 167.8 | 0.0 | 0.0 |
| 19 | 80.0 | 39.6 | 49.5 | 196.4 | 0.0 | 0.0 | 204.6 | 0.0 | 0.0 |
| 20 | 92.2 | 39.8 | 43.2 | 202.1 | 0.0 | 0.0 | 222.0 | 0.0 | 0.0 |
| 21 | 94.7 | 39.8 | 42.0 | 202.4 | 0.0 | 0.0 | 219.1 | 0.0 | 0.0 |
| 22 | 92.7 | 40.6 | 43.8 | 186.4 | 0.0 | 0.0 | 199.8 | 0.0 | 0.0 |
| 23 | 78.8 | 39.8 | 50.5 | 177.8 | 0.0 | 0.0 | 191.2 | 0.0 | 0.0 |
| 12-hour average | 80.5 | 36.8 | 46.0 | 194.3 | 0.0 | 0.0 | 187.0 | 0.0 | 0.0 |
| 24-hour average | 83.3 | 20.0 | 25.4 | 205.7 | 0.0 | 0.0 | 205.2 | 36.3 | 17.0 |
| 04/14/1997 00 | 71.0 | 39.9 | 56.2 | 190.9 | 0.0 | 0.0 | 187.5 | 0.0 | 0.0 |
| 01 | 72.0 | 39.9 | 55.4 | 187.9 | 0.0 | 0.0 | 187.1 | 0.0 | 0.0 |
| 02 | 71.5 | 40.5 | 56.6 | 202.5 | 0.0 | 0.0 | 180.9 | 0.0 | 0.0 |
| 03 | 71.7 | 39.9 | 55.6 | 206.4 | 0.0 | 0.0 | 178.5 | 0.0 | 0.0 |
| 04 | 70.0 | 39.8 | 56.9 | 218.1 | 0.0 | 0.0 | 177.7 | 0.0 | 0.0 |
| 05 | 70.9 | 39.8 | 56.1 | 235.2 | 0.0 | 0.0 | 180.5 | 0.0 | 0.0 |
| 06 | 88.2 | 40.5 | 45.9 | 246.5 | 0.0 | 0.0 | 231.9 | 0.0 | 0.0 |
| 07 | 88.6 | 5.6 | 6.3 | 288.7 | 0.0 | 0.0 | 271.1 | 0.0 | 0.0 |
| 08 | 90.5 | 0.0 | 0.0 | 251.0 | 0.0 | 0.0 | 270.8 | 0.0 | 0.0 |
| 09 | 89.6 | 0.0 | 0.0 | 250.5 | 0.0 | 0.0 | 263.6 | 0.0 | 0.0 |
| 10 | 91.5 | 0.0 | 0.0 | 275.8 | 0.0 | 0.0 | 266.7 | 0.0 | 0.0 |
| 11 | 99.7 | 0.5 | 0.5 | 271.9 | 0.0 | 0.0 | 263.4 | 0.0 | 0.0 |
| 12 | 99.3 | 0.0 | 0.0 | 268.4 | 0.0 | 0.0 | 280.8 | 0.0 | 0.0 |
| 13 | 92.6 | 0.0 | 0.0 | 268.5 | 0.0 | 0.0 | 283.6 | 0.0 | 0.0 |
| 14 | 83.0 | 0.0 | 0.0 | 273.8 | 0.0 | 0.0 | 286.5 | 0.0 | 0.0 |
| 15 | 77.6 | 0.0 | 0.0 | 271.7 | 0.0 | 0.0 | 288.7 | 0.0 | 0.0 |
| 16 | 70.5 | 0.0 | 0.0 | 271.9 | 0.0 | 0.0 | 291.9 | 0.0 | 0.0 |
| 17 | 69.8 | 0.0 | 0.0 | 273.0 | 0.0 | 0.0 | 292.2 | 0.0 | 0.0 |
| 18 | 70.6 | 0.0 | 0.0 | 261.8 | 0.0 | 0.0 | 285.6 | 0.0 | 0.0 |
| 19 | 78.7 | 42.3 | 53.7 | 263.3 | 0.0 | 0.0 | 272.7 | 0.0 | 0.0 |
| 20 | 98.0 | 45.2 | 46.1 | 270.9 | 0.0 | 0.0 | 284.6 | 0.0 | 0.0 |
| 21 | 107.3 | 45.2 | 42.1 | 272.7 | 0.0 | 0.0 | 286.6 | 0.0 | 0.0 |
| 22 | 110.5 | 46.1 | 41.7 | 268.4 | 0.0 | 0.0 | 279.2 | 0.0 | 0.0 |
| 23 | 107.9 | 45.2 | 41.9 | 247.5 | 0.0 | 0.0 | 240.8 | 0.0 | 0.0 |
| 12-hour average | 83.3 | 38.6 | 46.9 | 235.5 | 0.0 | 0.0 | 228.5 | 0.0 | 0.0 |
| 24-hour average | 85.0 | 21.3 | 25.6 | 251.6 | 0.0 | 0.0 | 251.4 | 0.0 | 0.0 |
| 04/15/1997 00 | 106.6 | 45.3 | 42.5 | 212.6 | 0.0 | 0.0 | 216.3 | 0.0 | 0.0 |
| 01 | 101.5 | 45.2 | 44.5 | 197.3 | 0.0 | 0.0 | 198.6 | 0.0 | 0.0 |
| 02 | 94.2 | 46.0 | 48.8 | 172.4 | 0.0 | 0.0 | 181.0 | 0.0 | 0.0 |
| 03 | 75.7 | 45.2 | 59.7 | 161.4 | 0.0 | 0.0 | 155.6 | 0.0 | 0.0 |
| 04 | 64.0 | 45.2 | 70.6 | 172.2 | 0.0 | 0.0 | 161.8 | 0.0 | 0.0 |
| 05 | 64.2 | 45.2 | 70.4 | 174.1 | 0.0 | 0.0 | 171.1 | 0.0 | 0.0 |
| 06 | 69.5 | 45.7 | 65.8 | 181.2 | 0.0 | 0.0 | 182.8 | 0.0 | 0.0 |
| 07 | 84.1 | 2.3 | 2.7 | 225.1 | 0.0 | 0.0 | 210.2 | 0.0 | 0.0 |
| 08 | 85.6 | 0.0 | 0.0 | 256.6 | 0.0 | 0.0 | 231.5 | 0.0 | 0.0 |
| 09 | 95.5 | 0.0 | 0.0 | 262.1 | 0.0 | 0.0 | 260.3 | 0.0 | 0.0 |
| 10 | 97.9 | 0.0 | 0.0 | 260.3 | 0.0 | 0.0 | 264.7 | 0.0 | 0.0 |
| 11 | 90.8 | 0.0 | 0.0 | 265.1 | 0.0 | 0.0 | 267.3 | 0.0 | 0.0 |
| 12 | 90.5 | 0.0 | 0.0 | 263.1 | 0.0 | 0.0 | 268.5 | 0.0 | 0.0 |
| 13 | 90.6 | 0.0 | 0.0 | 263.0 | 0.0 | 0.0 | 262.1 | 0.0 | 0.0 |
| 14 | 91.8 | 0.0 | 0.0 | 266.9 | 0.0 | 0.0 | 260.4 | 0.0 | 0.0 |
| 15 | 79.8 | 0.0 | 0.0 | 266.0 | 0.0 | 0.0 | 272.8 | 0.0 | 0.0 |
| 16 | 79.4 | 0.0 | 0.0 | 263.8 | 0.0 | 0.0 | 268.3 | 0.0 | 0.0 |
| 17 | 79.3 | 0.0 | 0.0 | 268.9 | 0.0 | 0.0 | 275.0 | 0.0 | 0.0 |
| 18 | 78.2 | 0.0 | 0.0 | 267.7 | 0.0 | 0.0 | 270.7 | 0.0 | 0.0 |
| 19 | 87.1 | 39.0 | 44.8 | 271.0 | 0.0 | 0.0 | 275.2 | 0.0 | 0.0 |
| 20 | 89.0 | 38.6 | 43.4 | 272.3 | 0.0 | 0.0 | 281.1 | 0.0 | 0.0 |
| 21 | 71.8 | 18.6 | 25.9 | 275.3 | 0.0 | 0.0 | 285.5 | 0.0 | 0.0 |
| 22 | 103.1 | 39.8 | 38.6 | 268.9 | 0.0 | 0.0 | 281.5 | 0.0 | 0.0 |
| 23 | 107.9 | 44.1 | 40.9 | 262.6 | 0.0 | 0.0 | 256.2 | 0.0 | 0.0 |
| 12-hour average | 86.9 | 37.7 | 44.2 | 225.6 | 0.0 | 0.0 | 227.9 | 0.0 | 0.0 |
| 24-hour average | 86.6 | 20.8 | 24.9 | 239.6 | 0.0 | 0.0 | 239.9 | 0.0 | 0.0 |
| 04/16/1997 00 | 105.9 | 44.0 | 41.5 | 258.7 | 0.0 | 0.0 | 236.9 | 0.0 | 0.0 |
| 01 | 106.0 | 43.9 | 41.4 | 250.7 | 0.0 | 0.0 | 221.8 | 0.0 | 0.0 |
| 02 | 105.8 | 43.7 | 41.3 | 242.3 | 0.0 | 0.0 | 219.1 | 0.0 | 0.0 |
| 03 | 103.6 | 44.4 | 42.9 | 237.2 | 0.0 | 0.0 | 218.0 | 0.0 | 0.0 |
| 04 | 98.1 | 43.7 | 44.5 | 230.7 | 0.0 | 0.0 | 218.2 | 0.0 | 0.0 |
| 05 | 96.1 | 43.7 | 45.5 | 230.7 | 0.0 | 0.0 | 218.7 | 0.0 | 0.0 |
| 06 | 96.6 | 42.9 | 44.4 | 238.6 | 0.0 | 0.0 | 227.1 | 0.0 | 0.0 |
| 07 | 91.2 | 2.0 | 2.2 | 256.4 | 0.0 | 0.0 | 224.3 | 0.0 | 0.0 |
| 08 | 89.7 | 0.1 | 0.1 | 272.1 | 0.0 | 0.0 | 278.9 | 157.6 | 56.5 |
| 09 | 97.0 | 0.0 | 0.0 | 271.0 | 0.0 | 0.0 | 280.7 | 157.5 | 56.1 |
| 10 | 95.8 | 0.0 | 0.0 | 263.9 | 0.0 | 0.0 | 277.9 | 156.6 | 56.4 |
| 11 | 102.4 | 0.0 | 0.0 | 266.8 | 0.0 | 0.0 | 273.8 | 155.1 | 56.6 |
| 12 | 97.6 | 0.0 | 0.0 | 264.3 | 0.0 | 0.0 | 248.2 | 104.9 | 42.3 |
| 13 | 100.5 | 1.7 | 1.7 | 270.0 | 0.0 | 0.0 | 248.5 | 0.0 | 0.0 |
| 14 | 100.2 | 0.8 | 0.8 | 259.9 | 0.0 | 0.0 | 270.7 | 0.0 | 0.0 |
| 15 | 111.4 | 0.0 | 0.0 | 262.4 | 0.0 | 0.0 | 276.7 | 0.0 | 0.0 |
| 16 | 101.8 | 0.0 | 0.0 | 261.9 | 0.0 | 0.0 | 276.0 | 0.0 | 0.0 |
| 17 | 84.8 | 0.2 | 0.2 | 263.7 | 0.0 | 0.0 | 279.1 | 0.0 | 0.0 |
| 18 | 71.4 | 0.0 | 0.0 | 260.5 | 0.0 | 0.0 | 277.9 | 0.0 | 0.0 |
| 19 | 87.1 | 38.8 | 44.5 | 271.3 | 0.0 | 0.0 | 273.2 | 0.0 | 0.0 |
| 20 | 87.2 | 40.6 | 46.6 | 264.0 | 0.0 | 0.0 | 271.1 | 0.0 | 0.0 |
| 21 | 93.2 | 40.6 | 43.6 | 265.4 | 0.0 | 0.0 | 280.9 | 0.0 | 0.0 |
| 22 | 98.6 | 40.7 | 41.3 | 264.6 | 0.0 | 0.0 | 266.4 | 0.0 | 0.0 |
| 23 | 104.2 | 41.4 | 39.7 | 265.8 | 0.0 | 0.0 | 254.6 | 0.0 | 0.0 |
| 12-hour average | 96.4 | 38.8 | 39.4 | 253.5 | 0.0 | 0.0 | 246.4 | 0.0 | 0.0 |
| 24-hour average | 96.9 | 21.4 | 21.8 | 258.0 | 0.0 | 0.0 | 254.9 | 30.5 | 11.2 |
| 04/17/1997 00 | 102.6 | 40.8 | 39.8 | 274.9 | 8.8 | 3.2 | 239.6 | 0.0 | 0.0 |
| 01 | 102.2 | 40.7 | 39.8 | 273.3 | 10.3 | 3.8 | 218.1 | 0.0 | 0.0 |
| 02 | 103.9 | 41.4 | 39.8 | 277.5 | 10.4 | 3.7 | 218.3 | 0.0 | 0.0 |
| 03 | 97.4 | 40.7 | 41.8 | 281.9 | 10.5 | 3.7 | 244.2 | 0.0 | 0.0 |
| 04 | 97.7 | 40.6 | 41.6 | 281.0 | 13.7 | 4.9 | 280.9 | 0.0 | 0.0 |
| 05 | 95.9 | 40.6 | 42.3 | 292.4 | 19.7 | 6.7 | 281.8 | 0.0 | 0.0 |
| 06 | 96.1 | 37.7 | 39.2 | 291.7 | 19.7 | 6.8 | 284.2 | 0.0 | 0.0 |
| 07 | 99.8 | 0.0 | 0.0 | 291.2 | 16.8 | 5.8 | 270.5 | 0.0 | 0.0 |
| 08 | 102.4 | 0.0 | 0.0 | 261.9 | 0.0 | 0.0 | 291.6 | 168.0 | 57.6 |
| 09 | 104.2 | 0.0 | 0.0 | 255.7 | 0.0 | 0.0 | 285.4 | 168.0 | 58.9 |
| 10 | 116.6 | 0.0 | 0.0 | 253.1 | 0.0 | 0.0 | 286.7 | 168.0 | 58.6 |
| 11 | 115.1 | 0.0 | 0.0 | 251.4 | 0.0 | 0.0 | 286.3 | 168.0 | 58.7 |
| 12 | 133.4 | 17.4 | 13.0 | 250.6 | 0.0 | 0.0 | 263.4 | 153.0 | 58.1 |
| 13 | 136.8 | 20.3 | 14.8 | 250.5 | 0.0 | 0.0 | 263.9 | 153.0 | 58.0 |
| 14 | 115.0 | 15.7 | 13.7 | 263.7 | 0.0 | 0.0 | 263.8 | 153.0 | 58.0 |
| 15 | 105.6 | 0.0 | 0.0 | 264.3 | 0.0 | 0.0 | 264.4 | 153.0 | 57.9 |
| 16 | 113.7 | 11.1 | 9.8 | 263.6 | 0.0 | 0.0 | 263.2 | 153.4 | 58.3 |
| 17 | 115.7 | 13.2 | 11.4 | 263.6 | 0.0 | 0.0 | 263.7 | 153.0 | 58.0 |
| 18 | 126.3 | 20.7 | 16.4 | 280.7 | 0.0 | 0.0 | 264.5 | 154.2 | 58.3 |
| 19 | 129.5 | 40.4 | 31.2 | 312.6 | 0.0 | 0.0 | 250.1 | 136.7 | 54.7 |
| 20 | 128.8 | 40.6 | 31.5 | 316.2 | 0.0 | 0.0 | 293.3 | 49.5 | 16.9 |
| 21 | 119.5 | 40.6 | 34.0 | 300.6 | 0.0 | 0.0 | 310.5 | 25.8 | 8.3 |
| 22 | 116.0 | 41.3 | 35.6 | 286.5 | 0.0 | 0.0 | 314.3 | 25.3 | 8.0 |
| 23 | 113.5 | 40.6 | 35.8 | 282.2 | 0.0 | 0.0 | 278.5 | 0.0 | 0.0 |
| 12-hour average | 111.1 | 39.1 | 35.8 | 288.3 | 6.1 | 2.2 | 266.2 | 32.6 | 12.2 |
| 24-hour average | 112.0 | 24.3 | 22.1 | 275.9 | 4.6 | 1.6 | 270.0 | 82.6 | 30.3 |
| 04/18/1997 00 | 113.0 | 40.6 | 35.9 | 282.0 | 0.0 | 0.0 | 255.5 | 0.0 | 0.0 |
| 01 | 112.8 | 40.6 | 36.0 | 282.9 | 0.0 | 0.0 | 262.9 | 0.0 | 0.0 |
| 02 | 114.7 | 41.3 | 36.0 | 274.5 | 0.0 | 0.0 | 254.1 | 0.0 | 0.0 |
| 03 | 113.2 | 40.6 | 35.9 | 258.2 | 0.0 | 0.0 | 253.6 | 0.0 | 0.0 |
| 04 | 113.7 | 40.6 | 35.7 | 242.1 | 0.0 | 0.0 | 240.5 | 0.0 | 0.0 |
| 05 | 115.3 | 40.6 | 35.2 | 239.8 | 0.0 | 0.0 | 240.5 | 0.0 | 0.0 |
| 06 | 126.5 | 40.2 | 31.8 | 245.0 | 0.0 | 0.0 | 244.4 | 0.0 | 0.0 |
| 07 | 119.7 | 0.1 | 0.1 | 272.9 | 0.0 | 0.0 | 260.0 | 9.0 | 3.5 |
| 08 | 121.6 | 0.0 | 0.0 | 296.0 | 0.0 | 0.0 | 305.5 | 174.0 | 57.0 |
| 09 | 121.4 | 0.0 | 0.0 | 291.3 | 0.0 | 0.0 | 317.6 | 185.0 | 58.2 |
| 10 | 123.3 | 0.0 | 0.0 | 300.2 | 0.0 | 0.0 | 311.7 | 180.0 | 57.7 |
| 11 | 120.7 | 0.0 | 0.0 | 300.3 | 0.0 | 0.0 | 304.5 | 180.0 | 59.1 |
| 12 | 126.1 | 5.8 | 4.6 | 300.8 | 0.0 | 0.0 | 303.2 | 180.0 | 59.4 |
| 13 | 133.4 | 10.5 | 7.9 | 303.6 | 0.0 | 0.0 | 303.6 | 180.0 | 59.3 |
| 14 | 132.4 | 10.3 | 7.8 | 299.1 | 0.0 | 0.0 | 302.0 | 180.0 | 59.6 |
| 15 | 123.9 | 3.2 | 2.6 | 300.2 | 0.0 | 0.0 | 303.5 | 180.0 | 59.3 |
| 16 | 120.2 | 0.0 | 0.0 | 302.7 | 0.0 | 0.0 | 298.8 | 175.4 | 58.7 |
| 17 | 111.9 | 0.0 | 0.0 | 299.7 | 0.0 | 0.0 | 277.7 | 139.1 | 50.1 |
| 18 | 107.7 | 0.0 | 0.0 | 300.8 | 0.0 | 0.0 | 299.4 | 61.9 | 20.7 |
| 19 | 108.2 | 39.3 | 36.3 | 301.3 | 0.0 | 0.0 | 299.0 | 58.5 | 19.6 |
| 20 | 107.1 | 40.6 | 37.9 | 304.1 | 0.0 | 0.0 | 302.8 | 10.4 | 3.4 |
| 21 | 108.7 | 41.3 | 38.0 | 308.4 | 0.0 | 0.0 | 308.7 | 11.0 | 3.6 |
| 22 | 106.2 | 40.6 | 38.2 | 306.5 | 0.0 | 0.0 | 307.2 | 11.0 | 3.6 |
| 23 | 106.0 | 40.6 | 38.3 | 303.9 | 0.0 | 0.0 | 308.2 | 11.0 | 3.6 |
| 12-hour average | 110.6 | 37.2 | 33.6 | 283.7 | 0.0 | 0.0 | 277.7 | 13.7 | 4.5 |
| 24-hour average | 117.0 | 21.5 | 19.1 | 288.2 | 0.0 | 0.0 | 286.0 | 80.3 | 26.5 |
| 04/19/1997 00 | 105.8 | 40.7 | 38.5 | 290.2 | 0.0 | 0.0 | 328.0 | 11.0 | 3.4 |
| 01 | 113.0 | 41.4 | 36.6 | 302.7 | 0.0 | 0.0 | 309.8 | 10.9 | 3.5 |
| 02 | 115.9 | 40.7 | 35.1 | 311.9 | 0.0 | 0.0 | 311.3 | 11.1 | 3.6 |
| 03 | 122.4 | 40.6 | 33.2 | 309.1 | 0.0 | 0.0 | 307.8 | 10.9 | 3.5 |
| 04 | 122.7 | 40.6 | 33.1 | 310.3 | 0.0 | 0.0 | 308.4 | 11.0 | 3.6 |
| 05 | 124.9 | 41.3 | 33.1 | 315.8 | 0.0 | 0.0 | 307.1 | 10.8 | 3.5 |
| 06 | 124.4 | 40.6 | 32.6 | 315.3 | 0.0 | 0.0 | 308.6 | 10.9 | 3.5 |
| 07 | 141.8 | 22.6 | 15.9 | 319.5 | 0.0 | 0.0 | 304.9 | 11.1 | 3.6 |
| 08 | 142.2 | 20.9 | 14.7 | 310.6 | 0.0 | 0.0 | 302.4 | 10.0 | 3.3 |
| 09 | 145.9 | 21.3 | 14.6 | 312.1 | 0.0 | 0.0 | 304.6 | 10.0 | 3.3 |
| 10 | 141.2 | 21.0 | 14.9 | 312.3 | 0.0 | 0.0 | 303.5 | 10.0 | 3.3 |
| 11 | 140.9 | 21.0 | 14.9 | 313.9 | 0.0 | 0.0 | 304.1 | 10.0 | 3.3 |
| 12 | 142.2 | 20.4 | 14.3 | 314.3 | 0.0 | 0.0 | 306.6 | 10.0 | 3.3 |
| 13 | 133.7 | 10.8 | 8.1 | 313.5 | 0.0 | 0.0 | 306.8 | 10.0 | 3.3 |
| 14 | 130.7 | 10.6 | 8.1 | 313.8 | 0.0 | 0.0 | 306.7 | 10.0 | 3.3 |
| 15 | 130.3 | 10.6 | 8.1 | 308.9 | 0.0 | 0.0 | 306.2 | 10.0 | 3.3 |
| 16 | 130.6 | 10.6 | 8.1 | 311.4 | 0.0 | 0.0 | 308.1 | 11.0 | 3.6 |
| 17 | 134.7 | 10.6 | 7.9 | 317.1 | 0.0 | 0.0 | 307.6 | 10.8 | 3.5 |
| 18 | 125.4 | 5.6 | 4.5 | 313.1 | 0.0 | 0.0 | 308.1 | 11.0 | 3.6 |
| 19 | 128.2 | 30.0 | 23.4 | 313.5 | 0.0 | 0.0 | 307.5 | 10.9 | 3.5 |
| 20 | 126.9 | 38.9 | 30.7 | 318.7 | 0.0 | 0.0 | 308.5 | 11.1 | 3.6 |
| 21 | 138.1 | 41.0 | 29.7 | 311.5 | 0.0 | 0.0 | 309.0 | 10.9 | 3.5 |
| 22 | 136.6 | 40.8 | 29.9 | 316.9 | 0.0 | 0.0 | 305.5 | 10.8 | 3.5 |
| 23 | 136.4 | 40.7 | 29.8 | 317.4 | 0.0 | 0.0 | 304.9 | 11.0 | 3.6 |
| 12-hour average | 124.7 | 36.9 | 29.8 | 310.9 | 0.0 | 0.0 | 309.7 | 11.0 | 3.5 |
| 24-hour average | 130.6 | 27.6 | 21.7 | 312.2 | 0.0 | 0.0 | 307.8 | 10.6 | 3.5 |
| 04/20/1997 00 | 137.7 | 40.8 | 29.6 | 320.4 | 0.0 | 0.0 | 287.4 | 11.1 | 3.9 |
| 01 | 138.1 | 41.5 | 30.1 | 316.7 | 0.1 | 0.0 | 311.8 | 17.2 | 5.5 |
| 02 | 135.2 | 40.8 | 30.2 | 308.6 | 24.1 | 7.8 | 315.2 | 99.1 | 31.4 |
| 03 | 135.0 | 40.8 | 30.2 | 307.0 | 24.6 | 8.0 | 312.5 | 186.8 | 59.8 |
| 04 | 139.4 | 40.8 | 29.3 | 308.0 | 24.6 | 8.0 | 312.9 | 191.8 | 61.3 |
| 05 | 152.8 | 41.5 | 27.2 | 308.3 | 24.6 | 8.0 | 308.2 | 185.9 | 60.3 |
| 06 | 151.5 | 40.8 | 26.9 | 315.8 | 24.5 | 7.8 | 308.4 | 192.5 | 62.4 |
| 07 | 152.4 | 40.1 | 26.3 | 307.9 | 24.4 | 7.9 | 300.3 | 186.3 | 62.0 |
| 08 | 151.5 | 40.1 | 26.5 | 280.5 | 13.4 | 4.8 | 278.2 | 170.0 | 61.1 |
| 09 | 142.3 | 19.4 | 13.6 | 292.8 | 0.0 | 0.0 | 285.7 | 170.0 | 59.5 |
| 10 | 135.6 | 14.9 | 11.0 | 306.2 | 0.0 | 0.0 | 297.3 | 170.0 | 57.2 |
| 11 | 135.3 | 14.9 | 11.0 | 305.9 | 0.0 | 0.0 | 260.7 | 80.0 | 30.7 |
| 12 | 138.1 | 20.2 | 14.6 | 277.8 | 0.0 | 0.0 | 270.2 | 0.0 | 0.0 |
| 13 | 149.5 | 29.8 | 19.9 | 256.3 | 0.0 | 0.0 | 262.5 | 0.0 | 0.0 |
| 14 | 156.5 | 38.3 | 24.5 | 258.6 | 0.0 | 0.0 | 262.2 | 0.0 | 0.0 |
| 15 | 174.0 | 54.9 | 31.6 | 254.8 | 0.0 | 0.0 | 264.7 | 0.0 | 0.0 |
| 16 | 176.5 | 58.7 | 33.3 | 256.0 | 0.0 | 0.0 | 268.6 | 0.0 | 0.0 |
| 17 | 186.2 | 66.4 | 35.7 | 261.9 | 0.0 | 0.0 | 257.1 | 0.0 | 0.0 |
| 18 | 188.1 | 71.3 | 37.9 | 280.6 | 0.0 | 0.0 | 258.8 | 0.0 | 0.0 |
| 19 | 191.8 | 75.2 | 39.2 | 304.4 | 0.0 | 0.0 | 278.9 | 0.0 | 0.0 |
| 20 | 191.4 | 75.0 | 39.2 | 309.0 | 1.7 | 0.6 | 280.1 | 0.0 | 0.0 |
| 21 | 203.6 | 84.5 | 41.5 | 345.4 | 25.3 | 7.3 | 316.4 | 25.3 | 8.0 |
| 22 | 203.9 | 83.2 | 40.8 | 353.7 | 40.2 | 11.4 | 307.7 | 27.2 | 8.8 |
| 23 | 203.9 | 83.2 | 40.8 | 347.3 | 40.2 | 11.6 | 327.8 | 50.5 | 15.4 |
| 12-hour average | 168.4 | 59.9 | 34.7 | 317.4 | 17.1 | 5.2 | 301.5 | 66.2 | 21.2 |
| 24-hour average | 161.3 | 48.2 | 28.8 | 299.3 | 11.2 | 3.5 | 288.9 | 73.5 | 24.5 |
| 04/21/1997 00 | 193.3 | 71.1 | 36.8 | 349.4 | 40.2 | 11.5 | 329.3 | 53.5 | 16.2 |
| 01 | 184.5 | 64.2 | 34.8 | 346.5 | 40.2 | 11.6 | 321.6 | 89.9 | 28.0 |
| 02 | 176.7 | 56.1 | 31.7 | 349.0 | 40.2 | 11.5 | 335.8 | 90.1 | 26.8 |
| 03 | 175.4 | 55.5 | 31.6 | 351.0 | 40.2 | 11.5 | 339.3 | 89.7 | 26.4 |
| 04 | 169.3 | 50.3 | 29.7 | 352.7 | 40.2 | 11.4 | 339.2 | 91.3 | 26.9 |
| 05 | 172.0 | 51.3 | 29.8 | 355.6 | 40.2 | 11.3 | 340.9 | 90.0 | 26.4 |
| 06 | 185.2 | 66.9 | 36.1 | 356.0 | 37.5 | 10.5 | 351.9 | 88.4 | 25.1 |
| 07 | 200.7 | 80.7 | 40.2 | 331.4 | 19.3 | 5.8 | 362.8 | 71.1 | 19.6 |
| 08 | 200.8 | 80.7 | 40.2 | 309.4 | 3.0 | 1.0 | 339.5 | 70.0 | 20.6 |
| 09 | 200.6 | 81.0 | 40.4 | 309.3 | 0.0 | 0.0 | 309.1 | 40.0 | 12.9 |
| 10 | 204.3 | 82.8 | 40.5 | 308.2 | 0.0 | 0.0 | 308.9 | 40.0 | 12.9 |
| 11 | 199.8 | 80.7 | 40.4 | 307.3 | 0.0 | 0.0 | 311.6 | 40.0 | 12.8 |
| 12 | 207.6 | 89.7 | 43.2 | 304.8 | 0.0 | 0.0 | 308.1 | 40.0 | 13.0 |
| 13 | 201.3 | 100.4 | 49.9 | 311.0 | 0.0 | 0.0 | 322.8 | 90.0 | 27.9 |
| 14 | 203.6 | 101.2 | 49.7 | 308.6 | 0.0 | 0.0 | 296.5 | 90.0 | 30.4 |
| 15 | 208.3 | 89.8 | 43.1 | 304.6 | 0.0 | 0.0 | 276.1 | 90.0 | 32.6 |
| 16 | 209.3 | 89.8 | 42.9 | 305.0 | 0.0 | 0.0 | 274.6 | 90.0 | 32.8 |
| 17 | 208.8 | 89.8 | 43.0 | 306.7 | 0.0 | 0.0 | 294.8 | 90.0 | 30.5 |
| 18 | 211.6 | 90.7 | 42.9 | 305.4 | 0.0 | 0.0 | 295.6 | 90.0 | 30.4 |
| 19 | 187.3 | 70.3 | 37.5 | 381.3 | 68.6 | 18.0 | 353.3 | 224.0 | 63.4 |
| 20 | 166.8 | 44.7 | 26.8 | 390.9 | 76.0 | 19.4 | 375.4 | 237.0 | 63.1 |
| 21 | 171.7 | 51.3 | 29.9 | 410.4 | 90.0 | 21.9 | 393.2 | 246.0 | 62.6 |
| 22 | 184.2 | 61.4 | 33.3 | 405.4 | 90.1 | 22.2 | 389.3 | 246.0 | 63.2 |
| 23 | 181.1 | 60.5 | 33.4 | 399.1 | 90.1 | 22.6 | 398.7 | 253.0 | 63.5 |
| 12-hour average | 181.2 | 60.6 | 33.2 | 366.4 | 54.7 | 14.4 | 351.0 | 150.0 | 41.4 |
| 24-hour average | 191.8 | 73.4 | 37.8 | 340.0 | 29.8 | 7.9 | 332.0 | 110.0 | 32.0 |
| 04/22/1997 00 | 181.4 | 60.5 | 33.4 | 404.7 | 91.9 | 22.7 | 397.0 | 251.3 | 63.3 |
| 01 | 184.2 | 61.6 | 33.4 | 415.2 | 105.0 | 25.3 | 396.7 | 251.7 | 63.4 |
| 02 | 182.2 | 61.9 | 34.0 | 424.2 | 104.9 | 24.7 | 401.4 | 300.9 | 75.0 |
| 03 | 191.8 | 71.0 | 37.0 | 427.6 | 104.8 | 24.5 | 399.3 | 300.4 | 75.2 |
| 04 | 196.1 | 75.3 | 38.4 | 429.0 | 104.9 | 24.5 | 395.9 | 295.6 | 74.7 |
| 05 | 195.4 | 75.3 | 38.5 | 421.5 | 104.9 | 24.9 | 405.4 | 259.7 | 64.1 |
| 06 | 198.0 | 76.6 | 38.7 | 426.5 | 104.9 | 24.6 | 406.7 | 253.4 | 62.3 |
| 07 | 194.6 | 74.6 | 38.3 | 426.8 | 104.6 | 24.5 | 416.4 | 254.1 | 61.0 |
| 08 | 197.7 | 75.5 | 38.2 | 433.2 | 104.8 | 24.2 | 413.4 | 256.0 | 61.9 |
| 09 | 195.6 | 75.5 | 38.6 | 430.0 | 104.6 | 24.3 | 401.5 | 256.0 | 63.8 |
| 10 | 199.9 | 76.9 | 38.5 | 437.9 | 110.5 | 25.2 | 400.0 | 256.0 | 64.0 |
| 11 | 198.2 | 75.6 | 38.1 | 466.2 | 133.2 | 28.6 | 399.5 | 256.0 | 64.1 |
| 12 | 194.7 | 72.2 | 37.1 | 473.3 | 138.4 | 29.2 | 434.6 | 275.0 | 63.3 |
| 13 | 191.4 | 70.4 | 36.8 | 486.5 | 150.6 | 31.0 | 432.3 | 275.0 | 63.6 |
| 14 | 194.4 | 71.5 | 36.8 | 492.6 | 165.8 | 33.7 | 436.5 | 275.0 | 63.0 |
| 15 | 190.7 | 70.3 | 36.9 | 497.0 | 166.7 | 33.5 | 440.0 | 275.0 | 62.5 |
| 16 | 189.7 | 70.3 | 37.1 | 484.7 | 146.5 | 30.2 | 493.9 | 300.0 | 60.7 |
| 17 | 190.6 | 70.4 | 36.9 | 458.4 | 119.1 | 26.0 | 499.3 | 300.0 | 60.1 |
| 18 | 193.6 | 71.6 | 37.0 | 454.5 | 115.1 | 25.3 | 457.9 | 285.8 | 62.4 |
| 19 | 189.3 | 69.9 | 36.9 | 451.6 | 114.8 | 25.4 | 457.9 | 285.1 | 62.3 |
| 20 | 188.8 | 70.0 | 37.1 | 448.6 | 114.5 | 25.5 | 459.3 | 283.6 | 61.7 |
| 21 | 188.1 | 69.9 | 37.2 | 451.4 | 114.2 | 25.3 | 477.2 | 282.0 | 59.1 |
| 22 | 194.0 | 71.2 | 36.7 | 448.7 | 114.4 | 25.5 | 455.2 | 282.8 | 62.1 |
| 23 | 190.4 | 70.0 | 36.8 | 447.0 | 114.5 | 25.6 | 438.7 | 283.5 | 64.6 |
| 12-hour average | 189.6 | 69.0 | 36.4 | 435.3 | 108.7 | 24.9 | 428.5 | 280.2 | 65.7 |
| 24-hour average | 192.1 | 71.2 | 37.0 | 447.4 | 118.9 | 26.4 | 429.8 | 274.7 | 64.1 |
| 04/23/1997 00 | 189.1 | 70.0 | 37.0 | 445.3 | 114.6 | 25.7 | 441.1 | 285.0 | 64.6 |
| 01 | 192.5 | 70.0 | 36.4 | 456.7 | 122.2 | 26.8 | 415.5 | 271.4 | 65.3 |
| 02 | 189.5 | 70.0 | 36.9 | 458.9 | 125.1 | 27.3 | 419.7 | 270.9 | 64.5 |
| 03 | 189.3 | 70.7 | 37.3 | 466.9 | 127.1 | 27.2 | 426.4 | 275.5 | 64.6 |
| 04 | 178.6 | 59.2 | 33.1 | 458.7 | 125.1 | 27.3 | 429.6 | 269.8 | 62.8 |
| 05 | 175.6 | 59.1 | 33.7 | 459.7 | 126.2 | 27.5 | 437.8 | 277.0 | 63.3 |
| 06 | 175.9 | 59.2 | 33.7 | 467.4 | 135.0 | 28.9 | 438.7 | 273.0 | 62.2 |
| 07 | 177.5 | 59.9 | 33.7 | 468.6 | 135.1 | 28.8 | 443.4 | 270.5 | 61.0 |
| 08 | 175.3 | 58.9 | 33.6 | 468.9 | 135.0 | 28.8 | 432.8 | 272.0 | 62.8 |
| 09 | 177.2 | 58.9 | 33.2 | 468.4 | 135.0 | 28.8 | 426.1 | 272.0 | 63.8 |
| 10 | 178.1 | 60.0 | 33.7 | 464.8 | 134.7 | 29.0 | 420.3 | 272.0 | 64.7 |
| 11 | 183.1 | 61.7 | 33.7 | 463.3 | 135.6 | 29.3 | 429.2 | 272.0 | 63.4 |
| 12 | 177.9 | 60.6 | 34.1 | 463.2 | 135.2 | 29.2 | 432.0 | 272.0 | 63.0 |
| 13 | 178.5 | 60.6 | 33.9 | 468.9 | 135.1 | 28.8 | 529.9 | 300.0 | 56.6 |
| 14 | 177.7 | 60.6 | 34.1 | 465.1 | 134.9 | 29.0 | 494.4 | 300.0 | 60.7 |
| 15 | 176.8 | 57.3 | 32.4 | 467.3 | 135.4 | 29.0 | 510.7 | 300.0 | 58.7 |
| 16 | 155.8 | 40.1 | 25.7 | 466.5 | 133.1 | 28.5 | 478.8 | 304.0 | 63.5 |
| 17 | 166.6 | 51.4 | 30.9 | 464.4 | 131.9 | 28.4 | 467.2 | 300.0 | 64.2 |
| 18 | 176.5 | 60.2 | 34.1 | 463.2 | 131.9 | 28.5 | 461.4 | 293.4 | 63.6 |
| 19 | 183.1 | 61.4 | 33.5 | 463.3 | 131.9 | 28.5 | 452.5 | 286.5 | 63.3 |
| 20 | 157.0 | 40.4 | 25.7 | 465.2 | 133.6 | 28.7 | 465.4 | 285.4 | 61.3 |
| 21 | 161.9 | 45.3 | 28.0 | 465.5 | 134.5 | 28.9 | 481.8 | 285.3 | 59.2 |
| 22 | 197.2 | 80.4 | 40.8 | 466.5 | 135.2 | 29.0 | 458.7 | 284.7 | 62.1 |
| 23 | 208.7 | 85.8 | 41.1 | 469.9 | 137.4 | 29.2 | 441.1 | 285.0 | 64.6 |
| 12-hour average | 183.2 | 64.4 | 34.8 | 461.6 | 128.7 | 27.9 | 444.2 | 280.8 | 63.3 |
| 24-hour average | 179.1 | 60.9 | 33.8 | 464.0 | 131.7 | 28.4 | 451.4 | 282.4 | 62.7 |
| 04/24/1997 00 | 202.9 | 84.1 | 41.4 | 461.7 | 135.0 | 29.2 | 405.5 | 288.7 | 71.2 |
| 01 | 203.4 | 84.2 | 41.4 | 464.9 | 135.1 | 29.1 | 422.2 | 286.7 | 67.9 |
| 02 | 194.2 | 75.6 | 38.9 | 465.2 | 135.4 | 29.1 | 431.8 | 292.4 | 67.7 |
| 03 | 206.8 | 84.8 | 41.0 | 465.6 | 135.0 | 29.0 | 422.4 | 274.0 | 64.9 |
| 04 | 203.8 | 83.6 | 41.0 | 466.1 | 134.7 | 28.9 | 422.4 | 280.4 | 66.4 |
| 05 | 201.9 | 83.3 | 41.3 | 469.2 | 134.8 | 28.7 | 433.1 | 276.9 | 63.9 |
| 06 | 202.4 | 83.3 | 41.2 | 469.3 | 134.7 | 28.7 | 450.0 | 282.2 | 62.7 |
| 07 | 205.3 | 83.9 | 40.9 | 471.2 | 134.6 | 28.6 | 471.5 | 272.0 | 57.7 |
| 08 | 200.7 | 82.0 | 40.9 | 468.5 | 134.3 | 28.7 | 468.1 | 291.0 | 62.2 |
| 09 | 201.2 | 83.0 | 41.3 | 469.1 | 134.3 | 28.6 | 459.2 | 291.6 | 63.5 |
| 10 | 200.6 | 82.9 | 41.3 | 466.1 | 153.3 | 32.9 | 457.9 | 291.6 | 63.7 |
| 11 | 205.1 | 84.4 | 41.2 | 481.6 | 168.6 | 35.0 | 482.2 | 290.3 | 60.2 |
| 12 | 198.8 | 82.9 | 41.7 | 481.8 | 167.5 | 34.8 | 482.9 | 290.3 | 60.1 |
| 13 | 195.3 | 98.1 | 50.2 | 481.0 | 167.5 | 34.8 | 481.8 | 289.0 | 60.0 |
| 14 | 201.9 | 104.1 | 51.6 | 474.7 | 156.4 | 32.9 | 467.7 | 289.2 | 61.8 |
| 15 | 215.0 | 115.7 | 53.8 | 426.2 | 119.6 | 28.1 | 462.8 | 289.0 | 62.4 |
| 16 | 221.7 | 122.8 | 55.4 | 444.5 | 142.8 | 32.1 | 460.7 | 287.0 | 62.3 |
| 17 | 212.5 | 99.0 | 46.6 | 462.8 | 160.2 | 34.6 | 442.5 | 287.0 | 64.9 |
| 18 | 190.7 | 72.0 | 37.8 | 465.1 | 160.3 | 34.5 | 460.5 | 287.0 | 62.3 |
| 19 | 151.4 | 37.4 | 24.7 | 483.3 | 159.8 | 33.1 | 459.7 | 287.0 | 62.4 |
| 20 | 184.4 | 71.3 | 38.7 | 489.7 | 159.9 | 32.7 | 460.2 | 287.0 | 62.4 |
| 21 | 200.2 | 80.6 | 40.3 | 497.3 | 160.3 | 32.2 | 462.5 | 287.0 | 62.1 |
| 22 | 198.8 | 78.3 | 39.4 | 501.6 | 159.5 | 31.8 | 470.9 | 295.0 | 62.6 |
| 23 | 182.8 | 61.6 | 33.7 | 485.7 | 159.3 | 32.8 | 493.3 | 310.0 | 62.8 |
| 12-hour average | 193.4 | 74.7 | 38.3 | 476.3 | 147.4 | 30.9 | 445.4 | 287.7 | 64.7 |
| 24-hour average | 199.2 | 84.1 | 41.9 | 471.3 | 147.6 | 31.3 | 455.5 | 287.6 | 63.3 |
| 04/25/1997 00 | 187.3 | 69.8 | 37.3 | 482.1 | 159.7 | 33.1 | 488.4 | 310.0 | 63.5 |
| 01 | 187.2 | 69.8 | 37.3 | 472.2 | 160.0 | 33.9 | 473.9 | 400.0 | 84.4 |
| 02 | 187.8 | 69.8 | 37.2 | 490.6 | 160.1 | 32.6 | 443.5 | 380.0 | 85.7 |
| 03 | 191.0 | 70.9 | 37.1 | 489.1 | 159.5 | 32.6 | 443.0 | 380.0 | 85.8 |
| 04 | 187.4 | 69.6 | 37.1 | 491.1 | 159.4 | 32.5 | 442.8 | 380.0 | 85.8 |
| 05 | 187.7 | 69.5 | 37.0 | 492.4 | 158.3 | 32.1 | 481.2 | 400.0 | 83.1 |
| 06 | 174.8 | 55.3 | 31.6 | 486.1 | 148.7 | 30.6 | 460.6 | 300.0 | 65.1 |
| 07 | 167.2 | 45.3 | 27.1 | 478.0 | 159.0 | 33.3 | 501.0 | 307.0 | 61.3 |
| 08 | 165.9 | 45.2 | 27.2 | 465.2 | 150.5 | 32.4 | 502.1 | 307.0 | 61.1 |
| 09 | 167.6 | 47.2 | 28.2 | 430.1 | 117.3 | 27.3 | 484.3 | 307.0 | 63.4 |
| 10 | 188.1 | 65.3 | 34.7 | 427.7 | 125.8 | 29.4 | 422.9 | 280.0 | 66.2 |
| 11 | 184.7 | 64.2 | 34.8 | 440.9 | 134.4 | 30.5 | 438.8 | 280.0 | 63.8 |
| 12 | 184.8 | 64.2 | 34.7 | 433.0 | 132.2 | 30.5 | 442.5 | 280.0 | 63.3 |
| 13 | 184.8 | 64.2 | 34.7 | 440.7 | 134.5 | 30.5 | 443.1 | 280.0 | 63.2 |
| 14 | 187.4 | 64.6 | 34.5 | 457.0 | 147.9 | 32.4 | 443.2 | 280.0 | 63.2 |
| 15 | 175.7 | 55.6 | 31.6 | 441.8 | 154.0 | 34.9 | 433.7 | 270.0 | 62.3 |
| 16 | 176.8 | 55.6 | 31.4 | 433.1 | 153.8 | 35.5 | 431.0 | 270.0 | 62.6 |
| 17 | 198.1 | 77.6 | 39.2 | 433.4 | 154.7 | 35.7 | 419.8 | 258.0 | 61.5 |
| 18 | 204.2 | 80.0 | 39.2 | 450.7 | 172.9 | 38.4 | 429.7 | 260.0 | 60.5 |
| 19 | 196.3 | 74.2 | 37.8 | 472.8 | 163.0 | 34.5 | 456.7 | 287.2 | 62.9 |
| 20 | 158.1 | 40.6 | 25.7 | 437.8 | 156.9 | 35.8 | 461.1 | 288.6 | 62.6 |
| 21 | 157.1 | 40.6 | 25.8 | 421.2 | 110.1 | 26.1 | 466.6 | 287.1 | 61.5 |
| 22 | 159.6 | 41.6 | 26.1 | 422.7 | 112.1 | 26.5 | 463.0 | 285.6 | 61.7 |
| 23 | 159.2 | 41.1 | 25.8 | 460.2 | 149.9 | 32.6 | 436.4 | 275.5 | 63.1 |
| 12-hour average | 180.2 | 61.5 | 33.6 | 465.2 | 151.8 | 32.6 | 457.2 | 327.8 | 71.7 |
| 24-hour average | 180.0 | 60.1 | 33.0 | 456.2 | 147.3 | 32.2 | 454.6 | 306.4 | 67.4 |
| 04/26/1997 00 | 158.7 | 41.1 | 25.9 | 466.1 | 152.0 | 32.6 | 439.3 | 375.0 | 85.4 |
| 01 | 168.5 | 71.6 | 42.5 | 449.4 | 147.0 | 32.7 | 440.7 | 375.0 | 85.1 |
| 02 | 175.1 | 70.3 | 40.1 | 459.9 | 149.8 | 32.6 | 438.8 | 350.0 | 79.8 |
| 03 | 179.7 | 71.4 | 39.7 | 471.8 | 152.1 | 32.2 | 413.5 | 350.0 | 84.6 |
| 04 | 175.2 | 70.1 | 40.0 | 457.1 | 147.3 | 32.2 | 413.1 | 350.0 | 84.7 |
| 05 | 177.1 | 70.1 | 39.6 | 477.8 | 150.0 | 31.4 | 414.1 | 350.0 | 84.5 |
| 06 | 177.4 | 70.1 | 39.5 | 469.4 | 148.3 | 31.6 | 453.2 | 390.0 | 86.1 |
| 07 | 179.4 | 71.3 | 39.7 | 453.5 | 130.2 | 28.7 | 452.5 | 390.0 | 86.2 |
| 08 | 175.5 | 70.2 | 40.0 | 449.2 | 130.2 | 29.0 | 451.7 | 389.0 | 86.1 |
| 09 | 175.3 | 70.2 | 40.0 | 447.0 | 129.9 | 29.1 | 450.6 | 385.7 | 85.6 |
| 10 | 175.4 | 70.1 | 40.0 | 449.9 | 128.1 | 28.5 | 447.9 | 384.1 | 85.8 |
| 11 | 178.4 | 71.4 | 40.0 | 425.6 | 109.0 | 25.6 | 463.9 | 388.0 | 83.6 |
| 12 | 174.2 | 70.1 | 40.2 | 414.9 | 100.2 | 24.2 | 435.3 | 370.9 | 85.2 |
| 13 | 174.0 | 70.1 | 40.3 | 411.6 | 100.0 | 24.3 | 429.7 | 366.8 | 85.4 |
| 14 | 173.7 | 70.0 | 40.3 | 418.4 | 101.6 | 24.3 | 408.0 | 343.5 | 84.2 |
| 15 | 177.0 | 71.3 | 40.3 | 409.3 | 100.0 | 24.4 | 407.2 | 344.4 | 84.6 |
| 16 | 168.8 | 70.1 | 41.5 | 408.9 | 100.0 | 24.5 | 406.0 | 342.7 | 84.4 |
| 17 | 168.1 | 70.1 | 41.7 | 409.3 | 100.1 | 24.5 | 406.4 | 343.0 | 84.4 |
| 18 | 142.7 | 44.3 | 31.0 | 409.1 | 100.1 | 24.5 | 406.6 | 342.6 | 84.3 |
| 19 | 161.7 | 46.5 | 28.8 | 411.6 | 100.4 | 24.4 | 408.4 | 341.5 | 83.6 |
| 20 | 171.5 | 51.7 | 30.1 | 426.1 | 100.4 | 23.6 | 410.5 | 310.0 | 75.5 |
| 21 | 180.5 | 60.5 | 33.5 | 433.5 | 100.4 | 23.2 | 435.5 | 275.0 | 63.1 |
| 22 | 182.2 | 61.5 | 33.8 | 425.4 | 100.3 | 23.6 | 383.0 | 310.0 | 80.9 |
| 23 | 169.1 | 70.3 | 41.6 | 421.7 | 100.5 | 23.8 | 388.9 | 319.2 | 82.1 |
| 12-hour average | 170.2 | 60.8 | 35.6 | 442.5 | 125.0 | 28.1 | 416.0 | 337.4 | 81.1 |
| 24-hour average | 172.5 | 65.6 | 37.9 | 436.5 | 119.9 | 27.3 | 425.2 | 353.6 | 83.1 |
| 04/27/1997 00 | 162.3 | 69.9 | 43.1 | 436.8 | 102.2 | 23.4 | 390.9 | 320.0 | 81.9 |
| 01 | 153.2 | 70.0 | 45.7 | 424.1 | 98.8 | 23.3 | 407.1 | 340.0 | 83.5 |
| 02 | 154.1 | 71.7 | 46.5 | 432.9 | 100.7 | 23.3 | 408.8 | 340.0 | 83.2 |
| 03 | 151.4 | 98.8 | 65.3 | 435.4 | 100.3 | 23.0 | 415.2 | 340.0 | 81.9 |
| 04 | 151.6 | 99.9 | 65.9 | 445.6 | 102.3 | 23.0 | 414.5 | 340.0 | 82.0 |
| 05 | 151.6 | 99.9 | 65.9 | 438.0 | 100.5 | 22.9 | 417.9 | 340.0 | 81.4 |
| 06 | 150.5 | 99.7 | 66.2 | 431.2 | 99.0 | 23.0 | 413.3 | 340.0 | 82.3 |
| 07 | 150.2 | 73.5 | 48.9 | 435.0 | 100.8 | 23.2 | 413.3 | 340.0 | 82.3 |
| 08 | 147.5 | 69.2 | 46.9 | 435.7 | 100.6 | 23.1 | 403.0 | 331.0 | 82.1 |
| 09 | 147.7 | 30.8 | 20.9 | 438.4 | 100.5 | 22.9 | 426.8 | 269.9 | 63.2 |
| 10 | 152.1 | 30.2 | 19.9 | 439.3 | 100.7 | 22.9 | 433.7 | 270.7 | 62.4 |
| 11 | 149.0 | 29.6 | 19.9 | 434.2 | 98.4 | 22.7 | 421.1 | 267.4 | 63.5 |
| 12 | 159.4 | 39.5 | 24.8 | 417.1 | 81.2 | 19.5 | 417.6 | 266.9 | 63.9 |
| 13 | 159.3 | 39.6 | 24.9 | 390.3 | 60.0 | 15.4 | 405.9 | 260.8 | 64.3 |
| 14 | 162.0 | 40.3 | 24.9 | 387.0 | 60.9 | 15.7 | 405.4 | 258.9 | 63.9 |
| 15 | 159.2 | 40.5 | 25.4 | 399.3 | 70.1 | 17.6 | 385.8 | 246.4 | 63.9 |
| 16 | 168.1 | 49.6 | 29.5 | 399.8 | 70.1 | 17.5 | 386.0 | 246.5 | 63.9 |
| 17 | 167.9 | 48.5 | 28.9 | 402.8 | 71.4 | 17.7 | 391.5 | 246.7 | 63.0 |
| 18 | 139.9 | 23.0 | 16.4 | 424.1 | 94.0 | 22.2 | 420.0 | 245.1 | 58.4 |
| 19 | 171.7 | 52.1 | 30.3 | 444.0 | 111.1 | 25.0 | 391.7 | 246.9 | 63.0 |
| 20 | 189.9 | 69.7 | 36.7 | 477.6 | 141.6 | 29.6 | 430.0 | 272.8 | 63.4 |
| 21 | 196.0 | 74.1 | 37.8 | 505.6 | 184.7 | 36.5 | 479.7 | 289.2 | 60.3 |
| 22 | 200.7 | 80.4 | 40.1 | 505.1 | 184.6 | 36.5 | 448.4 | 284.2 | 63.4 |
| 23 | 202.3 | 80.4 | 39.7 | 501.2 | 183.1 | 36.5 | 462.3 | 300.6 | 65.0 |
| 12-hour average | 168.7 | 74.2 | 44.4 | 455.9 | 125.3 | 27.1 | 423.9 | 304.9 | 72.3 |
| 24-hour average | 162.4 | 61.7 | 38.1 | 436.7 | 104.9 | 23.6 | 416.2 | 291.8 | 70.3 |
| 04/28/1997 00 | 199.7 | 80.4 | 40.3 | 457.9 | 149.8 | 32.7 | 458.1 | 384.9 | 84.0 |
| 01 | 202.4 | 81.8 | 40.4 | 479.7 | 149.9 | 31.2 | 443.0 | 380.0 | 85.8 |
| 02 | 198.9 | 98.7 | 49.6 | 481.5 | 149.8 | 31.1 | 449.6 | 385.3 | 85.7 |
| 03 | 185.0 | 99.4 | 53.7 | 481.7 | 149.7 | 31.1 | 447.1 | 384.3 | 86.0 |
| 04 | 181.3 | 99.5 | 54.9 | 477.6 | 143.0 | 29.9 | 446.0 | 384.2 | 86.1 |
| 05 | 181.2 | 99.5 | 54.9 | 438.7 | 98.6 | 22.5 | 463.4 | 391.6 | 84.5 |
| 06 | 186.2 | 66.2 | 35.6 | 361.8 | 25.2 | 7.0 | 448.7 | 374.3 | 83.4 |
| 07 | 180.6 | 59.0 | 32.7 | 334.5 | 0.0 | 0.0 | 417.3 | 336.9 | 80.7 |
| 08 | 178.2 | 58.9 | 33.1 | 341.5 | 0.0 | 0.0 | 378.6 | 272.0 | 71.8 |
| 09 | 177.4 | 58.9 | 33.2 | 340.6 | 0.0 | 0.0 | 351.1 | 226.0 | 64.4 |
| 10 | 183.0 | 60.0 | 32.8 | 346.6 | 0.0 | 0.0 | 349.3 | 223.3 | 63.9 |
| 11 | 178.8 | 58.9 | 32.9 | 338.5 | 0.0 | 0.0 | 349.2 | 223.3 | 63.9 |
| 12 | 176.0 | 58.9 | 33.5 | 337.6 | 0.0 | 0.0 | 349.3 | 223.1 | 63.9 |
| 13 | 175.4 | 58.9 | 33.6 | 336.8 | 0.0 | 0.0 | 347.7 | 221.2 | 63.6 |
| 14 | 178.3 | 60.0 | 33.7 | 335.5 | 0.0 | 0.0 | 337.1 | 218.9 | 64.9 |
| 15 | 180.5 | 64.1 | 35.5 | 335.3 | 0.0 | 0.0 | 325.6 | 211.1 | 64.8 |
| 16 | 190.4 | 73.0 | 38.3 | 334.2 | 0.0 | 0.0 | 329.8 | 210.6 | 63.9 |
| 17 | 190.5 | 73.1 | 38.4 | 333.2 | 0.0 | 0.0 | 333.7 | 210.6 | 63.1 |
| 18 | 188.9 | 69.0 | 36.5 | 372.4 | 37.6 | 10.1 | 329.2 | 210.2 | 63.9 |
| 19 | 165.3 | 47.6 | 28.8 | 460.7 | 119.9 | 26.0 | 337.9 | 218.8 | 64.8 |
| 20 | 174.3 | 56.2 | 32.2 | 464.4 | 119.7 | 25.8 | 407.7 | 256.9 | 63.0 |
| 21 | 185.7 | 66.0 | 35.5 | 466.7 | 120.0 | 25.7 | 465.9 | 280.1 | 60.1 |
| 22 | 188.0 | 67.2 | 35.7 | 464.3 | 120.0 | 25.8 | 445.1 | 280.4 | 63.0 |
| 23 | 184.4 | 66.4 | 36.0 | 461.6 | 120.0 | 26.0 | 428.3 | 286.4 | 66.9 |
| 12-hour average | 186.3 | 77.6 | 41.5 | 458.9 | 123.2 | 26.5 | 426.8 | 320.3 | 74.5 |
| 24-hour average | 183.8 | 70.1 | 38.0 | 399.3 | 62.6 | 13.5 | 393.3 | 283.1 | 71.1 |
| 04/29/1997 00 | 184.8 | 67.9 | 36.7 | 462.6 | 120.1 | 26.0 | 465.9 | 380.4 | 81.6 |
| 01 | 191.3 | 74.5 | 38.9 | 463.7 | 120.4 | 26.0 | 444.0 | 377.2 | 85.0 |
| 02 | 198.8 | 80.0 | 40.2 | 485.8 | 140.3 | 28.9 | 449.6 | 382.4 | 85.1 |
| 03 | 195.4 | 78.8 | 40.3 | 485.1 | 140.4 | 28.9 | 431.7 | 365.0 | 84.5 |
| 04 | 194.7 | 78.6 | 40.4 | 484.8 | 140.4 | 29.0 | 423.3 | 357.8 | 84.5 |
| 05 | 196.7 | 79.1 | 40.2 | 478.6 | 140.5 | 29.4 | 424.2 | 351.3 | 82.8 |
| 06 | 202.5 | 81.9 | 40.4 | 477.9 | 140.5 | 29.4 | 470.6 | 300.7 | 63.9 |
| 07 | 199.2 | 80.4 | 40.4 | 478.9 | 140.7 | 29.4 | 489.7 | 298.8 | 61.0 |
| 08 | 200.0 | 80.4 | 40.2 | 479.4 | 140.7 | 29.3 | 471.6 | 296.5 | 62.9 |
| 09 | 195.8 | 75.9 | 38.8 | 479.9 | 140.3 | 29.2 | 466.3 | 298.1 | 63.9 |
| 10 | 181.1 | 60.3 | 33.3 | 462.8 | 124.3 | 26.9 | 462.4 | 298.8 | 64.6 |
| 11 | 179.0 | 59.3 | 33.1 | 461.4 | 119.3 | 25.9 | 484.4 | 296.1 | 61.1 |
| 12 | 183.9 | 66.1 | 35.9 | 454.1 | 119.8 | 26.4 | 457.9 | 293.0 | 64.0 |
| 13 | 183.7 | 66.2 | 36.0 | 467.7 | 148.3 | 31.7 | 470.0 | 285.0 | 60.6 |
| 14 | 186.6 | 67.4 | 36.1 | 456.0 | 146.5 | 32.1 | 457.9 | 283.4 | 61.9 |
| 15 | 182.8 | 66.2 | 36.2 | 452.8 | 146.4 | 32.3 | 427.7 | 284.3 | 66.5 |
| 16 | 182.5 | 66.2 | 36.3 | 443.4 | 147.5 | 33.3 | 428.3 | 284.9 | 66.5 |
| 17 | 194.4 | 77.9 | 40.1 | 454.1 | 149.5 | 32.9 | 423.8 | 285.0 | 67.2 |
| 18 | 200.5 | 82.1 | 40.9 | 465.1 | 149.6 | 32.2 | 436.7 | 285.3 | 65.3 |
| 19 | 159.6 | 43.5 | 27.3 | 467.5 | 149.5 | 32.0 | 448.3 | 285.4 | 63.7 |
| 20 | 190.3 | 75.9 | 39.9 | 480.6 | 149.6 | 31.1 | 452.3 | 286.7 | 63.4 |
| 21 | 211.0 | 90.9 | 43.1 | 484.4 | 149.5 | 30.9 | 460.7 | 286.8 | 62.3 |
| 22 | 219.0 | 96.4 | 44.0 | 481.5 | 149.8 | 31.1 | 457.8 | 287.4 | 62.8 |
| 23 | 209.0 | 89.4 | 42.8 | 480.2 | 149.8 | 31.2 | 444.1 | 285.0 | 64.2 |
| 12-hour average | 195.9 | 78.1 | 39.6 | 476.7 | 141.7 | 29.7 | 444.9 | 327.6 | 73.8 |
| 24-hour average | 192.6 | 74.4 | 38.4 | 470.3 | 140.2 | 29.8 | 452.0 | 309.8 | 68.7 |
| 04/30/1997 00 | 199.2 | 81.1 | 40.7 | 480.3 | 149.7 | 31.2 | 464.7 | 361.1 | 77.7 |
| 01 | 199.2 | 81.1 | 40.7 | 480.3 | 149.7 | 31.2 | 455.7 | 363.1 | 79.7 |
| 02 | 195.7 | 75.9 | 38.8 | 480.4 | 149.8 | 31.2 | 452.6 | 373.0 | 82.4 |
| 03 | 188.6 | 70.0 | 37.1 | 481.2 | 150.0 | 31.2 | 459.1 | 382.3 | 83.3 |
| 04 | 175.9 | 59.2 | 33.7 | 481.6 | 149.7 | 31.1 | 462.0 | 382.3 | 82.7 |
| 05 | 177.0 | 59.2 | 33.4 | 483.3 | 149.8 | 31.0 | 453.1 | 373.9 | 82.5 |
| 06 | 178.1 | 60.7 | 34.1 | 482.8 | 149.9 | 31.0 | 454.9 | 368.5 | 81.0 |
| 07 | 190.3 | 74.4 | 39.1 | 488.6 | 150.2 | 30.7 | 485.0 | 287.0 | 59.2 |
| 08 | 196.0 | 75.3 | 38.4 | 489.6 | 149.9 | 30.6 | 466.5 | 287.0 | 61.5 |
| 09 | 197.1 | 75.5 | 38.3 | 484.7 | 149.8 | 30.9 | 484.9 | 300.0 | 61.9 |
| 10 | 190.8 | 71.1 | 37.3 | 448.9 | 149.8 | 33.4 | 495.3 | 300.0 | 60.6 |
| 11 | 162.7 | 45.6 | 28.0 | 459.6 | 151.1 | 32.9 | 508.9 | 300.0 | 59.0 |
| 12 | 182.5 | 63.9 | 35.0 | 465.4 | 154.6 | 33.2 | 492.5 | 292.0 | 59.3 |
| 13 | 177.6 | 59.4 | 33.4 | 463.2 | 154.3 | 33.3 | 463.5 | 285.0 | 61.5 |
| 14 | 182.9 | 62.5 | 34.2 | 464.4 | 153.7 | 33.1 | 454.1 | 285.0 | 62.8 |
| 15 | 188.1 | 70.0 | 37.2 | 457.6 | 147.0 | 32.1 | 451.2 | 285.0 | 63.2 |
| 16 | 187.9 | 70.0 | 37.3 | 414.3 | 148.4 | 35.8 | 445.3 | 285.0 | 64.0 |
| 17 | 187.8 | 70.0 | 37.3 | 446.4 | 145.7 | 32.6 | 452.1 | 285.0 | 63.0 |
| 18 | 198.5 | 78.5 | 39.5 | 450.3 | 148.6 | 33.0 | 451.3 | 285.0 | 63.2 |
| 19 | 193.4 | 73.7 | 38.1 | 456.5 | 151.1 | 33.1 | 444.7 | 285.0 | 64.1 |
| 20 | 155.6 | 39.6 | 25.4 | 449.4 | 149.0 | 33.2 | 439.3 | 285.0 | 64.9 |
| 21 | 194.8 | 77.5 | 39.8 | 456.4 | 132.8 | 29.1 | 440.5 | 285.0 | 64.7 |
| 22 | 201.8 | 80.7 | 40.0 | 453.2 | 130.0 | 28.7 | 429.8 | 285.0 | 66.3 |
| 23 | 197.0 | 76.5 | 38.8 | 450.1 | 130.0 | 28.9 | 413.1 | 270.0 | 65.4 |
| 12-hour average | 189.7 | 71.1 | 37.2 | 466.9 | 145.0 | 31.1 | 447.2 | 327.6 | 73.1 |
| 24-hour average | 187.4 | 68.8 | 36.5 | 465.4 | 147.7 | 31.8 | 459.2 | 312.1 | 68.1 |