US Army Corps of Engineers

Grand Coulee Dam

January 2019

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 53457 2227 191 85.80 91.50 91.50 0.00 1278.80 1278.82 960.25 318.57 0.00 0 1568.34
2 59974 2499 190 94.50 103.70 103.70 0.00 1278.60 1278.54 961.33 317.21 0.00 0 1568.36
3 49455 2061 166 87.30 86.10 86.10 0.00 1278.60 1278.51 959.70 318.81 0.00 0 1568.36
4 49823 2076 145 86.40 84.90 84.90 0.00 1278.60 1278.54 959.63 318.91 0.00 0 1568.36
5 49506 2063 152 104.80 86.60 86.60 0.00 1279.10 1278.77 959.43 319.34 0.00 0 1568.34
6 49120 2047 152 95.40 85.50 85.50 0.00 1279.40 1279.18 958.75 320.43 0.00 0 1568.35
7 62621 2609 174 108.40 107.60 107.60 0.00 1279.40 1279.39 961.33 318.06 0.00 0 1568.34
8 63042 2627 192 106.80 109.10 109.10 0.00 1279.30 1279.35 962.36 316.99 0.00 0 1568.26
9 64266 2678 183 104.20 109.90 109.90 0.00 1279.20 1279.17 961.84 317.33 0.00 0 1568.24
10 51738 2156 165 104.10 88.80 88.80 0.00 1279.60 1279.27 959.95 319.32 0.00 0 1568.23
11 56215 2342 167 102.10 97.20 97.20 0.00 1279.70 1279.60 960.42 319.18 0.00 0 1568.27
12 58310 2430 169 99.60 100.50 100.50 0.00 1279.70 1279.66 960.97 318.69 0.00 0 1568.27
13 66586 2774 184 80.70 114.20 114.20 0.00 1278.80 1279.16 961.77 317.39 0.00 0 1568.28
14 64631 2693 208 84.80 111.10 111.40 0.00 1278.10 1278.34 961.34 317.00 0.00 0 1568.13
15 55047 2294 213 84.60 97.10 97.10 0.00 1277.80 1277.84 960.32 317.52 0.00 0 1568.14
16 48088 2004 195 83.70 85.10 85.10 0.00 1277.60 1277.55 959.23 318.32 0.00 0 1568.10
17 53039 2210 185 72.40 92.50 92.50 0.00 1277.20 1277.31 960.35 316.96 0.00 0 1568.11
18 48587 2024 166 82.00 87.70 87.70 0.00 1277.00 1277.12 959.18 317.94 0.00 0 1568.08
19 31867 1328 156 76.10 59.80 59.80 0.00 1277.50 1277.17 957.55 319.62 0.00 0 1568.13
20 44543 1856 166 96.30 77.80 77.80 0.00 1277.90 1277.77 958.42 319.35 0.00 0 1568.14
21 55296 2304 188 93.00 96.10 96.10 0.00 1277.90 1277.88 960.28 317.60 0.00 0 1568.14
22 53309 2221 187 99.00 92.20 92.20 0.00 1278.00 1277.95 960.32 317.63 0.00 0 1568.14
23 38491 1604 170 96.20 67.00 67.00 0.00 1278.80 1278.47 958.18 320.29 0.00 0 1568.11
24 35542 1481 196 96.90 66.50 66.50 0.00 1279.60 1279.21 957.60 321.61 0.00 0 1568.05
25 41278 1720 181 90.50 76.70 76.70 0.00 1280.00 1279.82 958.03 321.79 0.00 0 1568.08
26 38623 1609 181 101.40 75.30 75.30 0.00 1280.70 1280.34 957.64 322.70 0.00 0 1568.04
27 49071 2045 176 96.00 92.50 92.50 0.00 1280.80 1280.77 958.83 321.94 0.00 0 1568.09
28 60257 2511 180 100.70 110.30 110.30 0.00 1280.50 1280.65 960.93 319.72 0.00 0 1568.04
29 65639 2735 190 96.50 119.90 119.90 0.00 1279.90 1280.13 961.95 318.18 0.00 0 1568.01
30 62956 2623 205 95.30 112.80 112.80 0.00 1279.50 1279.56 961.27 318.29 0.03 20 1567.93
31 62087 2587 189 94.90 108.80 108.80 0.00 1279.10 1279.16 960.89 318.27 0.24 122 1567.92
TOT1642464  5562           
AVG 52983 2208 179 93.56 93.38 93.39 0.00 1278.93 1278.87 960.00 318.87 0.01 5 1568.17
MAX 66586   108.40 119.90 119.90 0.00 1280.80 1280.77 962.36 322.70 0.24 122 1568.36
MIN 31867   72.40 59.80 59.80 0.00 1277.00 1277.12 957.55 316.96 0.00 0 1567.92
BUILDING STRONG®