Chief Joseph Daily Inflow in Thousands of CFS for Water Year 2026 Day Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 01 50.2 80.1 90.9 133.1 --- --- --- --- --- --- --- --- 02 59.4 78.6 77.6 125.1 --- --- --- --- --- --- --- --- 03 52.3 98.8 95.4 121.8 --- --- --- --- --- --- --- --- 04 43.2 92.6 103.8 99.1 --- --- --- --- --- --- --- --- 05 41.8 80.4 118.7 134.0 --- --- --- --- --- --- --- --- 06 71.3 71.1 101.6 140.5 --- --- --- --- --- --- --- --- 07 70.0 69.2 99.3 149.9 --- --- --- --- --- --- --- --- 08 73.8 81.7 97.0 142.3 --- --- --- --- --- --- --- --- 09 73.7 72.7 70.3 140.0 --- --- --- --- --- --- --- --- 10 56.6 70.8 61.2 136.8 --- --- --- --- --- --- --- --- 11 47.9 78.6 62.4 146.4 --- --- --- --- --- --- --- --- 12 59.6 82.5 62.5 142.1 --- --- --- --- --- --- --- --- 13 74.4 76.2 70.0 139.0 --- --- --- --- --- --- --- --- 14 77.2 72.1 90.4 --- --- --- --- --- --- --- --- --- 15 73.7 72.9 91.1 --- --- --- --- --- --- --- --- --- 16 69.4 82.4 97.3 --- --- --- --- --- --- --- --- --- 17 43.6 87.2 112.7 --- --- --- --- --- --- --- --- --- 18 65.7 102.2 104.9 --- --- --- --- --- --- --- --- --- 19 47.9 102.2 88.1 --- --- --- --- --- --- --- --- --- 20 62.7 95.8 113.6 --- --- --- --- --- --- --- --- --- 21 73.4 94.9 116.3 --- --- --- --- --- --- --- --- --- 22 68.5 87.4 125.1 --- --- --- --- --- --- --- --- --- 23 68.2 70.8 137.0 --- --- --- --- --- --- --- --- --- 24 78.0 92.0 127.9 --- --- --- --- --- --- --- --- --- 25 57.8 103.1 110.3 --- --- --- --- --- --- --- --- --- 26 51.7 80.6 124.7 --- --- --- --- --- --- --- --- --- 27 64.3 66.0 121.3 --- --- --- --- --- --- --- --- --- 28 67.0 69.3 125.5 --- --- --- --- --- --- --- --- --- 29 53.4 98.1 120.8 --- --- --- --- --- --- --- --- 30 73.8 94.9 136.4 --- --- --- --- --- --- --- --- 31 82.7 130.6 --- --- --- --- --- --- ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ VOL 3874 4969 6317 3471