US Army Corps of Engineers

Grand Coulee Dam

June 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
1119202 4967 67 278.50 216.90 216.90 0.00 1269.00 1268.29 972.03 296.26 7.71 5446 1568.15
2118597 4942 65 272.00 214.50 214.50 0.00 1270.20 1269.60 971.64 297.96 13.96 9660 1568.63
3117796 4908 65 258.80 212.20 212.20 0.00 1271.10 1270.67 971.45 299.22 13.84 9549 1569.10
4103407 4309 66 255.20 192.60 183.90 8.80 1272.70 1271.94 969.94 302.00 3.98 2745 1568.89
5109644 4568 66 256.80 197.20 197.20 0.00 1274.20 1273.46 970.05 303.41 4.05 2777 1568.65
6107445 4477 66 246.00 191.10 191.10 0.00 1275.60 1274.84 969.52 305.32 4.57 3129 1568.44
7 98712 4113 73 235.70 173.30 173.30 0.00 1277.10 1276.35 967.68 308.67 4.18 2855 1568.23
8 94898 3954 69 219.70 165.30 165.30 0.00 1278.40 1277.87 966.52 311.35 5.17 3525 1568.04
9 89843 3743 65 205.40 165.00 161.50 3.40 1279.10 1278.82 966.08 312.74 13.80 9360 1568.46
10 92183 3841 64 197.50 160.90 160.90 0.00 1279.70 1279.44 966.30 313.14 13.80 9360 1568.93
11 92097 3837 66 186.30 159.40 159.40 0.00 1280.10 1280.04 966.57 313.47 9.75 6610 1569.09
12 93102 3879 65 187.50 160.30 160.30 0.00 1280.70 1280.44 966.55 313.89 4.10 2770 1568.81
13 92378 3849 65 172.60 158.30 157.90 0.40 1281.00 1280.88 966.61 314.27 4.67 3147 1568.41
14 79670 3320 67 164.30 136.50 136.30 0.20 1281.60 1281.34 964.20 317.14 4.59 3097 1568.15
15 89470 3728 66 165.90 153.40 153.20 0.20 1281.80 1281.72 965.53 316.19 4.74 3192 1567.90
16 66697 2779 65 165.00 114.10 114.00 0.10 1282.70 1282.36 961.95 320.41 15.80 10608 1568.55
17 70877 2953 68 153.50 122.00 121.90 0.10 1283.10 1282.98 962.87 320.11 15.80 10608 1569.14
18 81022 3376 78 147.70 138.60 138.50 0.10 1283.20 1283.17 964.51 318.66 5.11 3429 1568.93
19 71297 2971 77 149.20 124.90 124.70 0.20 1283.70 1283.49 962.88 320.61 4.66 3119 1568.74
20 78556 3273 82 150.90 134.60 134.50 0.20 1284.00 1283.91 963.89 320.02 4.47 3004 1568.55
21 73575 3066 80 153.00 125.80 125.60 0.20 1284.60 1284.36 963.22 321.14 5.33 3555 1568.30
22 84582 3524 78 164.50 142.70 142.60 0.10 1285.00 1284.83 964.93 319.90 3.88 2580 1567.94
23 81958 3415 72 172.90 139.70 139.50 0.20 1285.50 1285.33 964.85 320.48 15.19 10111 1568.41
24 94812 3950 77 166.20 161.80 161.70 0.10 1285.40 1285.47 966.96 318.51 16.00 10639 1569.90
25 88359 3682 73 164.90 150.60 150.40 0.10 1285.50 1285.44 965.79 319.65 4.66 3103 1568.81
26100935 4206 69 174.40 172.30 172.20 0.10 1285.40 1285.48 967.52 317.96 4.08 2531 1568.53
27105412 4392 68 170.10 180.40 180.30 0.10 1285.00 1285.19 968.68 316.51 4.34 2883 1568.29
28103015 4292 66 170.40 174.80 174.70 0.10 1284.80 1284.93 967.83 317.10 3.59 2384 1567.90
29 97390 4058 71 158.40 165.60 165.50 0.10 1284.50 1284.62 966.78 317.84 4.73 3149 1567.67
30 83703 3488 69 152.80 142.90 142.80 0.10 1284.60 1284.44 964.48 319.96 5.95 3956 1567.57
TOT2780634  2088           
AVG 92688 3862 70 190.54 161.59 161.09 0.50 1280.64 1280.39 966.59 313.80 7.55 5096 1568.50
MAX119202   278.50 216.90 216.90 8.80 1285.50 1285.48 972.03 321.14 16.00 10639 1569.90
MIN 66697   147.70 114.10 114.00 0.00 1269.00 1268.29 961.95 296.26 3.59 2384 1567.57
BUILDING STRONG®