TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE TAILWATER starting at 1500 18 Sep 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0918 1500 + 737.0 766.0 103.9 43.7 0.0 0918 1600 + 736.0 767.0 104.2 39.5 0.0 0918 1700 + 736.0 767.0 104.2 45.9 0.0 0918 1800 + 736.0 767.0 104.2 60.4 0.0 0918 1900 + 736.0 766.0 104.1 64.2 0.0 0918 2000 + 736.0 764.0 103.8 53.6 0.0 0918 2100 + 737.0 763.0 103.5 42.6 0.8 0918 2200 + 737.0 763.0 103.5 38.2 0.1 0918 2300 + 737.0 762.0 103.4 38.6 0.0 0919 0000 + 737.0 761.0 103.3 37.0 0.0 0919 0100 + 737.0 760.0 103.1 42.0 0.0 0919 0200 + 738.0 759.0 102.8 38.2 0.0 0919 0300 + 738.0 757.0 102.6 34.1 0.0 0919 0400 + 738.0 755.0 102.3 37.1 0.0 0919 0500 + 738.0 754.0 102.2 37.9 0.0 0919 0600 + 738.0 754.0 102.2 35.6 0.0 0919 0700 + 738.0 754.0 102.2 32.7 0.0 0919 0800 + 739.0 754.0 102.0 29.9 0.0 0919 0900 + 739.0 755.0 102.2 37.3 0.0 0919 1000 + 739.0 756.0 102.3 38.1 0.0 0919 1100 + 738.0 758.0 102.7 40.9 0.0 0919 1200 + 738.0 761.0 103.1 40.7 0.0 0919 1300 + 737.0 763.0 103.5 37.0 0.0 0919 1400 + 737.0 765.0 103.8 34.7 0.0 0919 1500 + 736.0 766.0 104.1 36.6 0.0