Chief Joseph Daily Outflow in Thousands of CFS for Water Year 2026 Day Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 01 53.3 77.4 93.2 135.8 --- --- --- --- --- --- --- --- 02 62.9 82.5 78.4 127.4 --- --- --- --- --- --- --- --- 03 49.2 97.6 92.7 122.2 --- --- --- --- --- --- --- --- 04 43.2 95.7 106.5 101.0 --- --- --- --- --- --- --- --- 05 47.7 81.9 119.9 131.7 --- --- --- --- --- --- --- --- 06 73.2 70.6 99.3 151.7 --- --- --- --- --- --- --- --- 07 67.3 65.7 99.7 149.2 --- --- --- --- --- --- --- --- 08 72.4 81.3 98.2 138.8 --- --- --- --- --- --- --- --- 09 74.9 72.3 70.3 145.4 --- --- --- --- --- --- --- --- 10 61.6 72.4 61.6 136.4 --- --- --- --- --- --- --- --- 11 48.7 78.6 60.1 141.0 --- --- --- --- --- --- --- --- 12 59.6 82.1 63.7 145.2 --- --- --- --- --- --- --- --- 13 69.4 74.6 70.4 140.2 --- --- --- --- --- --- --- --- 14 81.1 74.4 88.8 149.0 --- --- --- --- --- --- --- --- 15 70.2 72.1 91.9 149.2 --- --- --- --- --- --- --- --- 16 71.0 80.4 100.0 144.5 --- --- --- --- --- --- --- --- 17 49.4 89.2 104.9 147.9 --- --- --- --- --- --- --- --- 18 61.1 106.9 105.3 149.0 --- --- --- --- --- --- --- --- 19 48.3 106.9 89.7 148.7 --- --- --- --- --- --- --- --- 20 63.9 97.0 114.4 145.9 --- --- --- --- --- --- --- --- 21 71.9 97.2 119.8 141.0 --- --- --- --- --- --- --- --- 22 70.4 82.4 120.4 141.6 --- --- --- --- --- --- --- --- 23 62.8 74.3 137.8 --- --- --- --- --- --- --- --- --- 24 80.0 88.9 129.5 144.3 --- --- --- --- --- --- --- --- 25 59.4 103.1 113.0 147.0 --- --- --- --- --- --- --- --- 26 52.9 81.8 122.8 138.5 --- --- --- --- --- --- --- --- 27 64.7 64.8 115.1 133.0 --- --- --- --- --- --- --- --- 28 64.7 73.2 134.8 --- --- --- --- --- --- --- --- --- 29 53.4 94.6 120.4 --- --- --- --- --- --- --- --- 30 73.0 93.7 130.6 --- --- --- --- --- --- --- --- 31 83.5 134.5 --- --- --- --- --- --- ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ VOL 3898 4986 6323 7231