Grand Coulee Dam

August 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 52846 2202 110 97.60 90.10 90.00 0.10 1283.90 1283.89 959.48 324.41 3.61 2333 1568.94
2 52041 2168 110 99.60 88.40 88.40 0.00 1284.10 1284.12 959.48 324.64 3.25 2112 1568.58
3 67318 2805 112 104.70 114.30 114.20 0.10 1283.80 1284.07 961.98 322.09 2.30 1512 1568.11
4 52888 2204 103 98.80 90.00 89.90 0.10 1283.90 1283.87 960.55 323.32 4.80 3177 1567.83
5 53742 2239 99 101.40 90.70 90.60 0.10 1284.00 1283.97 959.77 324.20 8.70 5688 1567.80
6 43016 1792 99 112.40 71.80 71.70 0.10 1284.70 1284.43 958.47 325.96 8.70 5688 1567.85
7 57843 2410 106 112.60 97.70 97.60 0.10 1285.00 1284.98 960.13 324.85 3.00 1942 1567.57
8 61960 2582 106 106.60 105.30 105.20 0.10 1285.00 1285.03 961.66 323.37 3.29 2182 1567.24
9 59171 2465 106 104.70 101.10 101.00 0.10 1285.00 1285.15 961.06 324.09 3.62 2320 1566.86
10 61293 2554 108 105.50 103.30 103.20 0.10 1284.90 1285.05 960.84 324.21 4.20 2708 1566.51
11 66218 2759 108 98.60 113.00 112.90 0.10 1284.40 1284.75 961.58 323.17 5.57 3596 1566.26
12 50532 2106 95 86.90 85.30 85.20 0.10 1284.40 1284.44 959.28 325.16 5.58 3604 1566.09
13 48140 2006 95 81.20 80.70 80.60 0.10 1284.00 1284.14 958.28 325.86 16.40 10656 1566.58
14 54050 2252 90 86.20 93.00 92.90 0.10 1283.70 1284.25 959.43 324.82 5.06 3302 1566.54
15 53533 2231 93 85.70 93.50 93.40 0.10 1283.40 1283.53 959.81 323.72 4.00 2718 1566.33
16 51240 2135 97 84.20 87.80 87.70 0.10 1283.20 1283.26 959.37 323.89 4.30 2941 1566.11
17 52535 2189 97 82.20 89.20 89.20 0.10 1282.90 1283.04 959.44 323.60 4.77 3110 1565.86
18 46375 1932 96 79.20 78.30 78.20 0.10 1282.80 1282.83 958.61 324.22 4.79 3139 1565.72
19 44439 1852 88 81.50 74.80 74.80 0.10 1282.70 1282.77 958.33 324.44 8.63 5610 1565.69
20 40243 1677 88 68.80 68.30 68.20 0.10 1282.30 1282.60 957.33 325.27 14.20 9352 1566.14
21 53283 2220 93 75.40 90.60 90.50 0.10 1281.90 1282.13 959.80 322.33 4.32 2863 1566.07
22 48341 2014 99 76.80 82.20 82.10 0.10 1281.60 1281.78 959.15 322.63 4.33 2832 1565.81
23 47138 1964 97 79.20 80.30 80.20 0.10 1281.40 1281.64 958.54 323.10 4.73 3117 1565.65
24 40351 1681 97 77.90 68.50 68.40 0.10 1281.40 1281.49 957.61 323.88 11.34 7535 1565.74
25 46506 1938 89 78.50 78.60 78.50 0.10 1281.20 1281.41 958.72 322.69 5.65 3715 1565.74
26 43877 1828 89 77.50 75.00 74.90 0.10 1281.10 1281.22 958.64 322.58 8.32 5468 1565.83
27 47139 1964 94 85.00 80.80 80.70 0.10 1281.10 1281.17 959.08 322.09 6.12 4026 1565.79
28 55323 2305 96 91.90 93.90 93.80 0.10 1280.80 1281.09 959.60 321.49 5.75 3776 1565.69
29 62261 2594 102 101.70 108.10 108.00 0.10 1280.60 1280.74 961.11 319.63 5.08 3368 1565.48
30 70876 2953 98 95.20 122.20 122.10 0.10 1279.80 1280.14 963.20 316.94 3.71 2482 1565.22
31 65881 2745 98 102.90 113.40 113.30 0.10 1279.40 1279.56 962.15 317.41 2.83 1894 1564.87
TOT1650399  3058           
AVG 53239 2218 99 90.98 90.65 90.56 0.10 1282.85 1282.99 959.76 323.23 5.84 3831 1566.47
MAX 70876   112.60 122.20 122.10 0.10 1285.00 1285.15 963.20 325.96 16.40 10656 1568.94
MIN 40243   68.80 68.30 68.20 0.00 1279.40 1279.56 957.33 316.94 2.30 1512 1564.87
BUILDING STRONG®