Grand Coulee Daily Outflow in Thousands of CFS for Water Year 2023 Day Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 01 55.6 101.7 96.2 64.9 107.7 --- --- --- --- --- --- 70.5 02 58.8 99.5 104.9 72.4 104.2 --- --- --- --- --- --- 70.5 03 59.4 94.8 74.5 87.3 85.3 --- --- --- --- --- --- 58.3 04 63.6 67.0 88.9 107.0 --- --- --- --- --- --- --- --- 05 67.9 51.1 99.9 96.1 --- --- --- --- --- --- --- --- 06 47.4 81.8 100.2 83.3 --- --- --- --- --- --- --- --- 07 44.1 115.1 101.5 66.9 --- --- --- --- --- --- --- --- 08 50.0 100.5 97.3 66.9 --- --- --- --- --- --- --- --- 09 48.8 86.7 92.8 95.0 --- --- --- --- --- --- --- --- 10 46.7 102.3 71.9 78.2 --- --- --- --- --- --- --- --- 11 51.9 95.3 85.1 83.6 --- --- --- --- --- --- --- --- 12 62.0 86.8 93.7 88.0 --- --- --- --- --- --- --- --- 13 66.0 89.1 103.5 79.7 --- --- --- --- --- --- --- --- 14 54.3 100.9 107.9 63.9 --- --- --- --- --- --- --- --- 15 42.8 108.0 108.8 56.4 --- --- --- --- --- --- --- --- 16 46.1 111.3 112.5 65.4 --- --- --- --- --- --- --- --- 17 63.4 111.3 102.7 88.9 --- --- --- --- --- --- --- --- 18 62.2 112.2 92.5 88.6 --- --- --- --- --- --- --- --- 19 --- 107.3 115.8 90.1 --- --- --- --- --- --- --- --- 20 54.3 97.0 117.6 88.1 --- --- --- --- --- --- --- --- 21 51.6 102.9 107.9 87.3 --- --- --- --- --- --- --- --- 22 48.1 94.4 141.6 75.6 132.0 --- --- 69.9 --- --- --- --- 23 48.6 100.7 121.0 83.3 --- --- --- --- --- --- --- --- 24 44.0 94.7 94.1 92.1 --- --- --- --- --- --- --- --- 25 61.6 82.6 83.6 84.4 --- --- --- --- --- --- --- --- 26 59.1 91.2 70.8 70.0 --- --- --- --- --- --- --- --- 27 67.7 84.1 60.5 81.8 --- --- --- --- --- --- --- --- 28 70.2 100.6 52.3 93.4 --- --- --- --- --- --- --- --- 29 56.1 96.2 59.2 104.5 --- --- --- --- --- --- --- 30 51.9 92.2 61.5 115.3 --- --- --- --- --- --- --- 31 87.1 62.0 110.0 --- --- --- --- --- ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ VOL 3355 5671 5718 5174 851 139 395