Grand Coulee Daily Outflow in Thousands of CFS for Water Year 2021 Day Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 01 93.2 81.3 105.2 86.3 119.9 70.0 59.7 85.5 137.7 132.5 95.0 87.1 02 82.1 86.6 106.5 106.5 129.0 68.1 60.0 84.2 134.2 126.8 103.9 71.9 03 64.7 88.6 117.2 107.5 127.4 84.1 55.7 103.7 136.0 110.8 99.5 69.4 04 59.5 79.8 114.4 104.7 125.6 82.9 41.5 113.8 154.9 114.3 105.5 54.3 05 62.5 75.9 112.7 100.7 101.9 67.5 72.2 113.8 145.3 110.7 91.6 57.1 06 67.4 88.5 92.9 118.4 91.6 54.0 56.2 102.4 149.8 116.7 99.3 62.3 07 63.8 90.0 97.7 126.9 105.4 46.8 60.9 105.6 158.9 104.6 104.9 58.1 08 48.3 88.8 88.4 131.5 123.0 67.9 58.9 111.8 143.3 108.0 79.5 49.5 09 58.8 103.2 91.7 127.8 121.4 68.1 64.2 113.7 136.5 100.0 85.8 52.1 10 54.4 102.0 115.2 111.4 126.2 73.2 47.4 131.9 137.8 98.6 102.8 61.8 11 51.8 104.2 100.1 115.0 128.1 79.4 64.6 135.5 125.4 95.0 119.5 57.1 12 59.4 111.2 110.6 119.8 148.4 66.1 74.8 133.3 112.2 115.5 125.2 40.8 13 63.4 93.2 96.8 127.2 149.1 44.8 58.1 134.8 97.6 131.2 112.7 56.5 14 47.3 92.2 86.9 131.0 147.7 59.4 72.2 109.2 129.5 121.3 98.1 56.2 15 81.3 83.0 74.4 134.8 142.4 60.7 83.3 83.6 101.7 119.8 95.3 57.6 16 48.6 97.3 73.3 120.9 126.2 77.6 68.1 79.4 110.7 112.9 91.4 63.7 17 38.6 96.2 84.4 108.3 131.0 78.2 64.2 84.2 126.1 111.0 90.5 55.4 18 44.1 99.0 104.6 117.0 151.4 65.4 50.7 88.4 139.0 99.7 112.5 46.7 19 38.5 106.9 98.7 120.4 120.1 53.2 77.2 95.7 115.2 109.3 101.9 43.3 20 49.9 112.1 95.3 122.0 85.8 40.0 82.8 105.0 110.5 104.0 108.7 56.1 21 54.0 113.5 78.2 121.7 82.8 44.6 91.8 112.6 114.5 102.3 105.8 66.0 22 74.7 107.0 75.9 123.0 80.0 59.7 74.9 111.0 115.1 114.6 93.4 63.4 23 84.1 108.4 87.6 125.4 72.0 72.6 97.8 69.9 119.4 111.5 104.2 80.5 24 53.1 109.1 89.3 130.4 100.2 62.3 77.2 90.2 133.7 105.9 103.6 75.1 25 76.6 107.5 86.0 125.0 85.5 68.0 70.1 103.9 135.1 90.4 108.8 57.7 26 106.1 95.2 79.0 137.1 74.2 65.2 85.3 118.0 133.6 100.9 118.4 53.3 27 95.7 103.5 98.7 132.1 62.3 48.5 86.3 105.6 138.2 95.6 102.1 58.3 28 71.1 92.0 109.9 131.7 55.0 42.2 99.2 123.0 136.7 90.5 101.5 --- 29 61.4 99.5 102.8 123.2 74.9 91.6 109.3 141.2 99.3 75.1 --- 30 73.0 94.4 106.3 115.4 78.0 82.8 99.9 137.9 103.5 70.4 --- 31 91.2 94.6 109.0 64.0 119.4 91.4 103.7 --- ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ VOL 4004 5772 5901 7363 6176 3942 4224 6502 7751 6642 6170 3196