US Army Corps of Engineers

Grand Coulee Dam

January 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
1 30718 1280 144 95.60 51.80 51.80 0.00 1283.10 1282.64 956.82 325.82 5.52 3659 1568.43
2 45748 1906 144 105.90 76.30 76.30 0.00 1283.90 1283.45 958.38 325.07 0.00 0 1568.37
3 50664 2111 144 104.80 84.50 84.50 0.00 1284.40 1284.12 959.08 325.04 0.00 0 1568.40
4 52359 2182 144 87.40 87.80 87.80 0.00 1284.40 1284.32 959.20 325.12 0.00 0 1568.37
5 45175 1882 144 92.80 75.30 75.30 0.00 1284.80 1284.81 959.02 325.79 0.00 0 1568.38
6 49378 2057 144 92.00 82.10 82.10 0.00 1285.00 1284.85 959.30 325.55 0.00 0 1568.37
7 57086 2379 144 94.00 95.90 95.90 0.00 1285.00 1284.86 960.66 324.20 0.03 21 1568.31
8 54358 2265 144 87.30 90.80 90.80 0.00 1284.90 1284.94 959.93 325.01 0.00 0 1568.29
9 62594 2608 144 102.20 105.40 105.40 0.00 1284.80 1284.76 961.41 323.35 0.00 0 1568.27
10 53291 2220 144 100.50 90.90 90.90 0.00 1285.10 1284.74 960.43 324.31 0.00 0 1568.27
11 42225 1759 144 86.70 70.30 70.30 0.00 1285.50 1285.19 958.42 326.77 0.00 0 1568.27
12 55051 2294 144 98.00 91.50 91.50 0.00 1285.50 1285.61 959.38 326.23 6.50 4274 1568.80
13 67052 2794 144 107.30 112.10 112.10 0.00 1285.40 1285.42 962.21 323.21 0.00 0 1568.55
14 71289 2970 144 98.80 118.00 118.00 0.00 1284.90 1285.07 962.58 322.49 0.00 0 1568.38
15 67920 2830 144 98.30 114.30 114.30 0.00 1284.50 1284.50 962.20 322.30 0.00 0 1568.37
16 71146 2964 144 88.50 120.60 120.60 0.00 1283.70 1284.00 962.53 321.47 0.00 0 1568.30
17 102.60 114.00 114.00 0.00 1283.40 1283.45 962.31 321.14 1568.25
18 93.90 95.90 95.90 0.00 1283.30 1283.32 960.37 322.95 1568.25
19 86.20 106.60 106.60 0.00 1282.80 1283.11 961.20 321.91 1568.28
20 93.10 116.80 116.80 0.00 1282.20 1282.44 962.73 319.71 1568.29
21 83.10 107.60 107.60 0.00 1281.60 1281.83 961.59 320.24 1568.32
22 86.90 117.10 117.10 0.00 1280.80 1281.11 962.28 318.83 1568.32
23 86.50 111.90 111.90 0.00 1280.10 1280.38 962.35 318.03 1568.35
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TOT876054  2304           
AVG 54753 2281 144 94.45 97.28 97.28 0.00 1283.87 1283.87 960.63 323.24 0.75 497 1568.36
MAX 71289   107.30 120.60 120.60 0.00 1285.50 1285.61 962.73 326.77 6.50 4274 1568.80
MIN 30718   83.10 51.80 51.80 0.00 1280.10 1280.38 956.82 318.03 0.00 0 1568.25