US Army Corps of Engineers

Grand Coulee Dam

March 2018

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 77311 3221 179 111.80 141.50 141.50 0.00 1261.10 1261.61 964.51 297.10 1.54 1087 1568.62
2 73506 3063 169 108.40 136.60 136.60 0.00 1260.30 1260.89 964.03 296.86 1.07 736 1568.67
3 61767 2574 156 93.90 112.60 112.60 0.00 1259.60 1259.89 961.66 298.23 5.45 3932 1569.05
4 54036 2252 171 88.80 98.10 98.10 0.00 1259.00 1259.23 960.41 298.82 9.65 6912 1569.73
5 64139 2672 173 89.40 118.20 118.20 0.00 1258.10 1258.66 962.66 296.00 1.92 1375 1569.89
6 62245 2594 167 93.40 115.20 115.20 0.00 1257.50 1258.91 961.74 297.17 0.00 0 1569.84
7 68697 2862 172 97.80 123.10 123.10 0.00 1256.70 1257.11 963.03 294.08 0.00 0 1569.51
8 72963 3040 160 101.50 131.70 131.70 0.00 1255.80 1256.19 963.80 292.39 0.00 0 1569.12
9 70914 2955 143 99.70 129.80 129.80 0.00 1254.90 1255.34 963.78 291.56 0.00 0 1568.86
10 70874 2953 148 104.90 131.20 131.20 0.00 1254.10 1254.38 963.70 290.68 0.29 201 1568.60
11 51301 2138 139 92.60 99.40 99.40 0.00 1253.70 1253.80 960.67 293.13 3.10 2139 1568.76
12 54001 2250 141 95.80 101.70 101.70 0.00 1253.60 1253.54 961.05 292.49 0.77 557 1568.76
13 48950 2040 130 97.30 94.00 94.00 0.00 1253.80 1253.67 960.70 292.97 0.00 0 1568.69
14 53360 2223 124 88.50 100.10 100.10 0.00 1253.40 1253.47 961.21 292.26 0.00 0 1568.69
15 67301 2804 141 95.10 126.30 126.30 0.00 1252.40 1252.86 963.11 289.75 0.00 0 1568.55
16 65980 2749 139 91.40 124.10 124.10 0.00 1251.40 1251.82 963.10 288.72 0.00 0 1568.48
17 50490 2104 129 96.00 97.10 97.10 0.00 1251.50 1251.29 960.47 290.82 0.53 388 1568.46
18 40779 1699 118 97.60 75.40 75.40 0.00 1251.90 1251.65 958.74 292.91 5.90 4392 1568.83
19 56088 2337 93 103.60 105.40 105.40 0.00 1251.70 1251.67 961.79 289.88 1.46 1084 1568.83
20 57647 2402 84 95.40 108.40 108.40 0.00 1251.40 1251.42 961.16 290.26 0.00 0 1568.72
21 59109 2463 91 100.00 111.40 111.40 0.00 1251.00 1251.04 961.74 289.30 0.00 0 1568.53
22 57702 2404 84 99.10 108.70 108.70 0.00 1250.70 1250.75 961.46 289.29 0.00 0 1568.48
23 63732 2656 103 97.30 120.90 120.90 0.00 1249.90 1250.28 963.00 287.28 0.64 469 1568.25
24 57063 2378 97 105.20 109.20 109.20 0.00 1249.60 1249.69 962.00 287.69 7.25 5397 1568.67
25 49074 2045 90 98.70 93.10 93.10 0.00 1249.70 1249.48 960.60 288.88 7.20 5377 1569.05
26 55813 2326 101 106.10 105.90 105.90 0.00 1249.60 1249.44 961.60 287.84 1.79 1337 1569.05
27 44305 1846 83 98.30 87.10 87.10 0.00 1249.90 1249.59 959.80 289.79 0.00 0 1568.93
28 43627 1818 80 100.40 82.60 82.60 0.00 1250.50 1250.09 959.10 290.99 0.00 0 1568.67
29 52013 2167 83 97.70 98.60 98.60 0.00 1250.40 1250.30 960.81 289.49 0.70 518 1568.51
30 48309 2013 89 83.10 90.60 90.60 0.00 1250.00 1250.07 960.20 289.87 2.27 1668 1568.41
31 57613 2401 95 88.20 108.10 108.10 0.00 1249.30 1249.54 961.44 288.10 5.71 4271 1568.58
TOT1810709  3872           
AVG 58410 2434 125 97.32 109.23 109.23 0.00 1253.31 1253.47 961.71 291.76 1.85 1350 1568.83
MAX 77311   111.80 141.50 141.50 0.00 1261.10 1261.61 964.51 298.82 9.65 6912 1569.89
MIN 40779   83.10 75.40 75.40 0.00 1249.30 1249.44 958.74 287.28 0.00 0 1568.25
BUILDING STRONG®