US Army Corps of Engineers

Grand Coulee Dam

July 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 61804 2575 77 105.10 104.70 104.60 0.10 1286.30 1286.32 961.13 325.19 4.80 3211 1569.21
2 54104 2254 75 104.50 90.90 90.80 0.10 1286.40 1286.38 959.91 326.47 9.96 6545 1569.32
3 56864 2369 72 102.40 95.90 95.80 0.10 1286.40 1286.42 960.54 325.88 4.81 3516 1569.08
4 42926 1789 77 103.40 73.50 73.40 0.10 1286.90 1286.71 958.69 328.02 10.53 7093 1569.35
5 48512 2021 79 100.80 81.50 81.40 0.10 1287.20 1287.15 959.47 327.68 4.68 3237 1569.17
6 44116 1838 76 102.70 73.90 73.80 0.10 1287.70 1287.56 958.87 328.69 9.28 6265 1569.32
7 42811 1784 76 103.00 71.80 71.70 0.10 1288.20 1287.92 958.75 329.17 13.28 8828 1569.75
8 46769 1949 75 102.20 78.10 78.00 0.10 1288.60 1288.41 958.77 329.64 5.20 3340 1569.61
9 53037 2210 79 100.30 89.80 89.70 0.10 1288.80 1288.79 959.94 328.85 5.16 3305 1569.45
10 44903 1871 83 101.10 74.50 74.40 0.10 1289.30 1289.03 958.74 330.29 5.17 3328 1569.30
11 58199 2425 81 95.40 97.00 96.90 0.10 1289.20 1289.22 960.80 328.42 2.58 1669 1568.95
12 63859 2661 81 93.30 107.10 107.00 0.10 1288.80 1289.00 961.58 327.42 3.15 2057 1568.65
13 46358 1932 78 95.50 76.90 76.80 0.10 1288.90 1288.83 959.14 329.69 14.50 9600 1569.10
14 42107 1754 77 99.00 69.70 69.60 0.10 1289.20 1289.06 958.19 330.87 14.50 9600 1569.60
15 53355 2223 71 105.30 88.80 88.70 0.10 1289.50 1289.40 959.71 329.69 4.55 2996 1569.45
16 62769 2615 78 100.70 104.90 104.80 0.10 1289.30 1289.46 961.59 327.87 5.25 3417 1569.21
17 63074 2628 73 97.20 104.80 104.70 0.10 1288.90 1289.14 961.47 327.67 6.90 4804 1569.25
18 62043 2585 77 94.10 103.00 103.00 0.10 1288.60 1288.78 961.37 327.41 4.97 3287 1568.99
19 53996 2250 72 97.50 89.70 89.60 0.10 1288.70 1288.68 960.13 328.55 4.96 3279 1568.77
20 50439 2102 73 99.50 84.20 84.10 0.10 1288.70 1288.73 958.99 329.74 14.50 9600 1569.17
21 49324 2055 78 100.90 83.30 83.20 0.10 1288.80 1288.86 959.03 329.83 11.90 7953 1569.46
22 59773 2491 86 105.60 102.50 102.40 0.10 1288.80 1288.88 961.34 327.54 4.72 3121 1569.34
23 55824 2326 91 97.30 93.70 93.60 0.10 1288.60 1288.77 960.01 328.76 9.37 6289 1569.41
24 54573 2274 79 100.80 90.50 90.40 0.10 1288.80 1288.78 960.37 328.41 4.95 3272 1569.16
25 58481 2437 76 95.20 97.60 97.50 0.10 1288.60 1288.76 960.75 328.01 4.97 3287 1568.92
26 56681 2362 84 97.60 95.40 95.50 0.10 1288.50 1288.61 960.10 328.51 4.98 3295 1568.73
27 47557 1982 82 108.40 80.80 80.70 0.10 1288.80 1288.76 958.88 329.88 14.50 9600 1569.00
28 58720 2447 80 108.10 98.90 98.80 0.10 1288.70 1288.84 961.06 327.78 14.50 9600 1569.33
29 62617 2609 88 102.00 105.60 105.50 0.10 1288.50 1288.73 961.86 326.87 4.97 3286 1569.44
30 70731 2947 89 109.50 119.30 119.20 0.10 1288.10 1288.45 962.51 325.94 4.99 3302 1569.35
31 72318 3013 87 116.90 121.60 121.40 0.20 1287.60 1287.91 962.74 325.17 4.70 3127 1568.90
TOT1698644  2450           
AVG 54795 2283 79 101.46 91.93 91.84 0.10 1288.37 1288.40 960.21 328.19 7.53 5004 1569.22
MAX 72318   116.90 121.60 121.40 0.20 1289.50 1289.46 962.74 330.87 14.50 9600 1569.75
MIN 42107   93.30 69.70 69.60 0.10 1286.30 1286.32 958.19 325.17 2.58 1669 1568.65
BUILDING STRONG®