Grand Coulee Daily Outflow in Thousands of CFS for Water Year 2025 Day Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 01 58.7 106.0 85.6 103.1 49.3 --- --- --- --- --- --- --- 02 53.5 89.2 93.7 99.7 44.8 --- --- --- --- --- --- --- 03 48.5 73.1 96.0 79.3 69.1 --- --- --- --- --- --- --- 04 44.8 84.2 102.8 64.1 76.4 --- --- --- --- --- --- --- 05 50.5 83.1 101.4 70.2 73.8 --- --- --- --- --- --- --- 06 56.1 86.3 107.1 89.1 78.1 --- --- --- --- --- --- --- 07 62.4 93.1 82.5 73.9 82.5 --- --- --- --- --- --- --- 08 45.4 93.8 78.9 70.3 84.4 --- --- --- --- --- --- --- 09 51.9 102.4 100.7 73.0 87.9 --- --- --- --- --- --- --- 10 51.9 92.5 105.5 83.7 98.4 --- --- --- --- --- --- --- 11 50.2 88.7 103.7 79.3 98.1 --- --- --- --- --- --- --- 12 45.9 90.4 112.3 78.1 98.0 --- --- --- --- --- --- --- 13 48.8 93.7 109.4 86.2 97.0 --- --- --- --- --- --- --- 14 49.1 83.1 82.1 91.7 78.9 --- --- --- --- --- --- --- 15 52.7 86.9 86.1 81.8 80.4 --- --- --- --- --- --- --- 16 47.8 82.8 94.9 81.8 66.4 --- --- --- --- --- --- --- 17 55.3 72.1 97.8 84.4 --- --- --- --- --- --- --- --- 18 66.5 87.9 108.6 84.2 --- --- --- --- --- --- --- --- 19 46.8 93.5 105.0 91.2 --- --- --- --- --- --- --- --- 20 50.0 90.5 86.2 106.9 --- --- --- --- --- --- --- --- 21 49.6 89.3 88.2 96.5 --- --- --- --- --- --- --- --- 22 67.3 76.1 86.6 99.4 --- --- --- --- --- --- --- --- 23 64.8 57.3 75.3 94.9 --- --- --- --- --- --- --- --- 24 60.3 68.1 61.4 78.2 --- --- --- --- --- --- --- --- 25 60.0 83.8 72.3 94.6 --- --- --- --- --- --- --- --- 26 39.9 77.8 70.0 87.2 --- --- --- --- --- --- --- --- 27 42.8 79.4 82.5 93.2 --- --- --- --- --- --- --- --- 28 51.5 79.7 70.9 99.3 --- --- --- --- --- --- --- --- 29 64.6 88.5 75.6 97.1 --- --- --- --- --- --- --- 30 70.0 86.8 102.4 103.4 --- --- --- --- --- --- --- 31 94.2 121.5 76.7 --- --- --- --- --- ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ VOL 3375 5078 5647 5340 2506