US Army Corps of Engineers

Grand Coulee Dam

March 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 46517 1938 216 62.30 81.80 81.80 0.00 1269.00 1269.19 958.99 310.20 0.00 0 1567.54
2 46192 1925 216 69.60 81.40 81.40 0.00 1268.70 1268.64 959.10 309.54 0.00 0 1567.52
3 47564 1982 216 73.60 83.60 83.60 0.00 1268.40 1268.49 959.13 309.36 0.56 391 1567.54
4 55299 2304 216 79.20 97.60 97.60 0.00 1267.90 1268.08 960.67 307.41 0.00 0 1567.54
5 60441 2518 216 83.40 108.50 108.50 0.00 1267.20 1267.40 961.37 306.03 0.00 0 1567.54
6 60058 2502 214 77.50 106.70 106.70 0.00 1266.40 1266.65 961.68 304.97 0.83 584 1567.51
7 54800 2283 183 79.80 97.20 97.20 0.00 1265.80 1266.02 960.68 305.34 2.61 1834 1567.70
8 59526 2480 191 71.70 106.60 106.60 0.00 1264.60 1265.23 961.56 303.67 6.22 4386 1568.00
9 50959 2123 201 55.50 90.50 90.50 0.00 1263.60 1264.11 959.45 304.66 2.06 1454 1568.21
10 35875 1495 190 51.20 66.40 66.40 0.00 1263.00 1263.18 957.93 305.25 1.96 1395 1568.34
11 39800 1658 197 54.30 71.40 71.40 0.00 1262.60 1262.71 959.13 303.58 0.00 0 1568.39
12 32594 1358 194 48.50 59.00 59.00 0.00 1262.30 1262.32 958.48 303.84 0.00 0 1568.40
13 34500 1438 176 51.80 62.60 62.60 0.00 1261.90 1262.07 958.15 303.92 3.20 2216 1568.44
14 37716 1572 183 58.80 68.00 68.00 0.00 1261.50 1261.58 958.25 303.33 0.53 372 1568.54
15 42258 1761 175 56.50 76.30 76.30 0.00 1261.10 1261.14 958.40 302.74 0.00 0 1568.55
16 45639 1902 161 56.50 82.70 82.70 0.00 1260.20 1260.45 959.57 300.88 0.00 0 1568.56
17 34113 1421 147 50.00 61.40 61.40 0.00 1259.90 1259.99 957.39 302.60 0.00 0 1568.54
18 41318 1722 182 55.10 75.10 75.10 0.00 1259.40 1259.54 958.80 300.74 0.25 188 1568.50
19 41329 1722 204 52.80 75.40 75.40 0.00 1258.80 1257.65 958.80 298.85 0.92 700 1568.46
20 33180 1382 167 57.30 61.00 61.00 0.00 1258.60 1258.50 957.80 300.70 0.72 544 1568.43
21 33578 1399 128 51.80 61.70 61.70 0.00 1258.40 1258.39 957.97 300.42 0.00 0 1568.38
22 34030 1418 120 64.10 62.60 62.60 0.00 1258.30 1258.17 957.65 300.52 1.21 920 1568.32
23 24790 1033 105 55.40 45.70 45.70 0.00 1258.50 1258.36 957.23 301.13 2.90 2208 1568.34
24 23079 962 116 59.60 42.00 42.00 0.00 1258.90 1258.65 956.70 301.95 2.90 2208 1568.39
25 37242 1552 117 56.00 68.20 68.20 0.00 1258.60 1258.66 958.50 300.16 2.44 1852 1568.61
26 31340 1306 114 63.00 58.50 58.50 0.00 1258.60 1258.41 957.48 300.93 1.77 1352 1568.74
27 33813 1409 128 68.40 62.50 62.50 0.00 1258.70 1258.51 957.59 300.92 2.90 2208 1568.80
28 31088 1295 121 69.40 58.40 58.40 0.00 1259.00 1258.75 957.74 301.01 0.72 544 1568.76
29 32947 1373 123 70.20 60.10 60.10 0.00 1259.30 1258.99 958.21 300.78 0.51 369 1568.64
30 30498 1271 111 66.90 56.30 56.30 0.00 1259.40 1259.17 957.34 301.83 6.10 4464 1568.93
31 28925 1205 101 58.00 52.30 52.30 0.00 1259.40 1259.22 957.02 302.20 6.10 4464 1569.24
TOT1241008  5129           
AVG 40033 1668 165 62.20 72.31 72.31 0.00 1261.87 1261.88 958.67 303.21 1.53 1118 1568.30
MAX 60441   83.40 108.50 108.50 0.00 1269.00 1269.19 961.68 310.20 6.22 4464 1569.24
MIN 23079   48.50 42.00 42.00 0.00 1258.30 1257.65 956.70 298.85 0.00 0 1567.51
BUILDING STRONG®