US Army Corps of Engineers

Grand Coulee Dam

December 2017

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 48776 2032 162 81.90 81.90 81.90 0.00 1285.90 1285.87 959.31 326.56 0.00 0 1568.79
2 47475 1978 158 86.70 78.70 78.70 0.00 1286.10 1286.07 958.43 327.64 0.00 0 1568.76
3 48440 2018 157 81.80 79.80 79.80 0.00 1286.20 1286.21 958.64 327.57 0.00 0 1568.76
4 58068 2420 188 83.20 97.30 97.30 0.00 1285.80 1285.92 960.81 325.11 0.00 0 1568.76
5 59350 2473 194 90.80 100.70 100.70 0.00 1285.60 1285.72 960.75 324.97 0.15 89 1568.74
6 55464 2311 195 91.40 93.40 93.40 0.00 1285.60 1285.55 959.95 325.60 0.00 0 1568.72
7 60539 2522 197 86.40 102.40 102.40 0.00 1285.20 1285.28 960.87 324.41 0.00 0 1568.74
8 63825 2659 187 97.60 107.60 107.60 0.00 1284.90 1285.04 961.10 323.94 0.00 0 1568.74
9 64423 2684 182 90.90 108.90 108.90 0.00 1284.40 1284.65 961.56 323.09 0.00 0 1568.72
10 56622 2359 182 92.10 96.00 96.00 0.00 1284.40 1284.38 960.43 323.95 0.00 0 1568.69
11 56359 2348 189 91.60 95.60 95.60 0.00 1284.30 1284.24 960.07 324.17 0.00 0 1568.72
12 58584 2441 196 89.40 99.40 99.40 0.00 1284.00 1284.09 960.04 324.05 0.00 0 1568.69
13 57020 2376 183 100.00 96.00 96.00 0.00 1284.10 1284.04 960.26 323.78 0.00 0 1568.69
14 60227 2509 179 97.20 101.20 101.20 0.00 1284.00 1284.07 960.69 323.38 0.00 0 1568.69
15 62242 2593 182 97.20 105.10 105.10 0.00 1283.80 1283.85 961.28 322.57 0.00 0 1568.55
16 50828 2118 185 86.20 86.20 86.20 0.00 1283.80 1283.80 959.61 324.19 0.00 0 1568.53
17 38362 1598 182 90.70 66.90 66.90 0.00 1284.40 1284.13 957.44 326.69 0.00 0 1568.55
18 58220 2426 168 92.00 100.00 100.00 0.00 1284.20 1284.44 960.85 323.59 0.00 0 1568.53
19 45881 1912 171 97.30 79.40 79.40 0.00 1284.70 1284.47 958.95 325.52 0.00 0 1568.58
20 49302 2054 181 101.30 85.40 85.40 0.00 1285.10 1284.93 959.65 325.28 0.00 0 1568.55
21 55773 2324 209 106.20 96.30 96.30 0.00 1285.30 1285.18 960.55 324.63 0.00 0 1568.51
22 60033 2501 201 96.00 102.00 102.00 0.00 1285.10 1285.20 961.09 324.11 0.00 0 1568.53
23 60973 2541 221 106.10 102.10 102.10 0.00 1285.30 1285.24 960.31 324.93 0.00 0 1568.48
24 63947 2664 241 96.40 108.40 108.40 0.00 1285.00 1285.03 961.80 323.23 0.00 0 1568.48
25 56221 2343 234 99.50 95.40 95.40 0.00 1285.10 1285.00 960.42 324.58 0.00 0 1568.46
26 61653 2569 248 104.50 106.50 106.50 0.00 1285.00 1285.04 961.11 323.93 0.00 0 1568.46
27 65997 2750 239 99.60 111.60 111.60 0.00 1284.70 1284.82 961.78 323.04 0.00 0 1568.46
28 55704 2321 223 93.70 93.70 93.70 0.00 1284.70 1284.67 960.43 324.24 0.00 0 1568.46
29 49210 2050 208 94.40 82.50 82.50 0.00 1285.00 1284.88 959.29 325.59 0.00 0 1568.46
30 34194 1425 192 93.40 57.40 57.40 0.00 1285.90 1285.54 956.99 328.55 0.00 0 1568.46
31 50698 2112 236 96.50 84.50 84.50 0.00 1286.20 1286.01 959.18 326.83 0.00 0 1568.41
TOT1714410  6070           
AVG 55304 2304 196 93.94 93.62 93.62 0.00 1284.96 1284.95 960.12 324.83 0.00 3 1568.60
MAX 65997   106.20 111.60 111.60 0.00 1286.20 1286.21 961.80 328.55 0.15 89 1568.79
MIN 34194   81.80 57.40 57.40 0.00 1283.80 1283.80 956.99 322.57 0.00 0 1568.41