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 67403 2808 144 102.60 114.00 114.00 0.00 1283.40 1283.45 962.31 321.14 0.00 0 1568.25
18 57112 2380 144 93.90 95.90 95.90 0.00 1283.30 1283.32 960.37 322.95 0.00 0 1568.25
19 62031 2585 144 86.20 106.60 106.60 0.00 1282.80 1283.11 961.20 321.91 0.00 0 1568.28
20 69241 2885 144 93.10 116.80 116.80 0.00 1282.20 1282.44 962.73 319.71 0.00 0 1568.29
21 62744 2614 144 83.10 107.60 107.60 0.00 1281.60 1281.83 961.59 320.24 0.00 0 1568.32
22 68358 2848 144 86.90 117.10 117.10 0.00 1280.80 1281.11 962.28 318.83 0.00 0 1568.32
23 66042 2752 144 86.50 111.90 111.90 0.00 1280.10 1280.38 962.35 318.03 0.00 0 1568.35
24 64502 2688 144 95.70 110.30 110.30 0.00 1279.70 1279.86 962.19 317.67 0.00 0 1568.38
25 62824 2618 144 92.20 107.40 107.40 0.00 1279.30 1279.49 961.49 318.00 0.00 0 1568.37
26 58159 2423 144 97.90 100.20 100.20 0.00 1279.30 1279.31 960.43 318.88 0.00 0 1568.38
27 66242 2760 144 80.10 112.80 112.80 0.00 1278.40 1278.77 961.78 316.99 0.00 0 1568.38
28 67028 2793 144 94.80 114.60 114.60 0.00 1277.90 1278.05 962.23 315.82 0.00 0 1568.38
29 64224 2676 144 90.20 112.90 112.90 0.00 1277.30 1277.55 961.73 315.82 0.00 0 1568.22
30 62871 2620 144 99.60 114.70 114.70 0.00 1276.90 1276.95 962.07 314.88 0.00 0 1568.23
31 42796 1783 144 91.30 79.60 79.60 0.00 1277.20 1277.02 958.65 318.37 0.00 0 1568.31
TOT1817631  4464           
AVG 58633 2443 144 94.01 99.68 99.68 0.00 1282.42 1282.45 960.80 321.64 0.39 257 1568.35
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   80.10 51.80 51.80 0.00 1276.90 1276.95 956.82 314.88 0.00 0 1568.22