TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE TAILWATER starting at 0000 21 May 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0521 0000 + 738.0 795.0 107.7 164.6 0.0 0521 0100 + 738.0 795.0 107.7 137.8 0.0 0521 0200 + 738.0 795.0 107.7 104.2 0.0 0521 0300 + 739.0 795.0 107.6 99.6 0.0 0521 0400 + 739.0 794.0 107.4 95.4 0.0 0521 0500 + 740.0 794.0 107.3 102.4 0.0 0521 0600 + 740.0 796.0 107.6 122.4 0.0 0521 0700 + 740.0 800.0 108.1 116.9 0.0 0521 0800 + 740.0 800.0 108.1 113.9 0.0 0521 0900 + 740.0 801.0 108.2 102.7 0.0 0521 1000 + 739.0 801.0 108.4 98.2 0.0 0521 1100 + 739.0 801.0 108.4 95.4 0.0 0521 1200 + 738.0 803.0 108.8 92.8 0.0 0521 1300 + 737.0 804.0 109.1 95.4 0.0 0521 1400 + 737.0 804.0 109.1 111.7 0.0 0521 1500 + 736.0 803.0 109.1 123.9 0.0 0521 1600 + 736.0 804.0 109.2 124.5 0.0 0521 1700 + 735.0 802.0 109.1 137.9 0.0 0521 1800 + 735.0 802.0 109.1 142.0 0.0 0521 1900 + 734.0 800.0 109.0 169.1 0.0 0521 2000 + 734.0 798.0 108.7 181.3 0.0 0521 2100 + 734.0 795.0 108.3 168.5 0.0 0521 2200 + 735.0 795.0 108.2 153.0 0.0 0521 2300 + 735.0 796.0 108.3 166.4 0.0