US Army Corps of Engineers

Grand Coulee Dam

July 2020

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feetBanks Lake Pump kcfsBanks Lake Pump MWhBanks Lake Elev
1112369 4682 144 214.70 194.70 192.40 2.30 1285.60 1285.47 970.37 315.10 5.55 3685 1568.16
2112444 4685 144 213.80 192.80 191.50 1.30 1286.00 1285.79 969.90 315.89 4.96 3288 1567.90
3108686 4529 144 210.30 184.90 184.90 0.00 1286.30 1286.21 968.87 317.34 14.50 9593 1568.17
4102146 4256 144 199.20 172.60 172.60 0.00 1286.80 1286.54 967.72 318.82 6.01 3976 1568.33
5100071 4170 144 197.90 169.00 169.00 0.00 1287.20 1287.06 967.84 319.22 14.32 9471 1568.56
6 94075 3920 144 186.80 158.40 158.40 0.00 1287.70 1287.40 966.48 320.92 5.61 3706 1568.62
7 86016 3584 144 180.50 144.40 144.40 0.00 1288.50 1288.16 964.95 323.21 5.00 3302 1568.50
8 94355 3931 144 173.30 158.40 158.40 0.00 1288.70 1288.60 966.39 322.21 7.96 5230 1568.40
9 89909 3746 144 175.90 150.80 150.80 0.00 1289.20 1288.92 965.75 323.17 4.97 3267 1568.21
10 84878 3537 144 170.80 145.50 145.50 0.00 1289.70 1289.44 964.96 324.48 5.01 3288 1567.93
11 89110 3713 144 159.50 151.10 151.10 0.00 1289.50 1289.44 965.38 324.06 14.62 9600 1568.12
12 83154 3465 144 164.80 139.00 139.00 0.00 1289.80 1289.53 964.74 324.79 14.60 9600 1568.50
13 90379 3766 144 156.60 153.40 153.40 0.00 1289.70 1289.57 966.37 323.20 4.80 3156 1568.63
14 92529 3855 144 150.50 154.50 154.50 0.00 1289.50 1289.55 966.16 323.39 5.08 3333 1568.32
15 91796 3825 144 151.10 154.40 154.40 0.00 1289.20 1289.36 966.34 323.02 8.26 5420 1568.19
16 87077 3628 144 145.60 146.90 146.90 0.00 1289.00 1289.12 965.46 323.66 6.93 4540 1568.08
17 68015 2834 144 141.50 113.30 113.30 0.00 1289.50 1289.34 962.11 327.23 7.15 4825 1567.94
18 81661 3403 144 147.90 136.60 136.60 0.00 1289.50 1289.52 964.20 325.32 14.60 9600 1568.13
19 79673 3320 144 147.50 132.90 132.90 0.00 1289.50 1289.56 963.89 325.67 14.60 9600 1568.49
20 81312 3388 144 149.00 135.20 135.20 0.00 1289.60 1289.55 964.26 325.29 6.79 4459 1568.63
21 85055 3544 144 143.90 141.20 141.20 0.00 1289.60 1289.57 964.96 324.61 5.58 3652 1568.43
22 82958 3457 144 138.00 138.30 138.30 0.00 1289.20 1289.20 964.72 324.48 14.60 9600 1568.50
23 77567 3232 144 131.50 128.70 128.70 0.00 1289.00 1289.19 963.74 325.45 9.43 6301 1568.67
24 66158 2757 144 125.50 108.90 108.90 0.00 1289.20 1289.12 961.70 327.42 8.68 5719 1568.74
25 69644 2902 144 140.90 115.40 115.40 0.00 1289.50 1289.50 962.30 327.20 12.65 8272 1568.82
26 77968 3249 144 138.00 129.20 129.20 0.00 1289.40 1289.53 964.10 325.43 14.60 9600 1569.12
27 77646 3235 144 134.90 128.40 128.40 0.00 1289.40 1289.40 963.60 325.80 5.67 3709 1569.22
28 80753 3365 144 132.00 134.50 134.50 0.00 1289.20 1289.31 964.10 325.21 5.00 3284 1569.02
29 77429 3226 144 138.00 128.90 128.90 0.00 1289.30 1289.38 963.78 325.60 4.99 3279 1569.74
30 83472 3478 144 138.20 138.60 138.60 0.00 1289.20 1289.26 964.70 324.56 4.20 2762 1568.43
31 78659 3277 144 132.80 130.50 130.50 0.00 1289.20 1289.15 963.66 325.49 5.16 3384 1568.07
TOT2686964  4464           
AVG 86676 3612 144 159.06 145.53 145.41 0.12 1288.80 1288.73 965.27 323.46 8.45 5565 1568.47
MAX112444   214.70 194.70 192.40 2.30 1289.80 1289.57 970.37 327.42 14.62 9600 1569.74
MIN 66158   125.50 108.90 108.90 0.00 1285.60 1285.47 961.70 315.10 4.20 2762 1567.90