TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE TAILWATER starting at 0000 21 Feb 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0221 0000 + 739.0 755.0 102.2 132.5 0.0 0221 0100 + 739.0 755.0 102.2 156.9 0.0 0221 0200 + 739.0 756.0 102.3 157.5 0.0 0221 0300 + 739.0 754.0 102.0 158.5 0.0 0221 0400 + 740.0 754.0 101.9 157.6 0.0 0221 0500 + 740.0 754.0 101.9 157.8 0.0 0221 0600 + 740.0 754.0 101.9 153.9 0.0 0221 0700 + 740.0 754.0 101.9 140.0 0.0 0221 0800 + 741.0 754.0 101.8 132.1 0.0 0221 0900 + 741.0 754.0 101.8 117.7 0.0 0221 1000 + 741.0 755.0 101.9 118.3 0.0 0221 1100 + 741.0 757.0 102.2 121.1 0.0 0221 1200 + 741.0 758.0 102.3 119.1 0.0 0221 1300 + 740.0 759.0 102.6 115.3 0.0 0221 1400 + 740.0 759.0 102.6 112.2 0.0 0221 1500 + 740.0 759.0 102.6 106.5 0.0 0221 1600 + 740.0 759.0 102.6 107.1 0.0 0221 1700 + 740.0 760.0 102.7 113.5 0.0 0221 1800 + 740.0 760.0 102.7 157.0 0.0 0221 1900 + 740.0 759.0 102.6 156.1 0.0 0221 2000 + 740.0 754.0 101.9 160.6 0.0 0221 2100 + 740.0 754.0 101.9 149.0 0.0 0221 2200 + 740.0 754.0 101.9 154.0 0.0 0221 2300 + 740.0 755.0 102.0 163.4 0.0