TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND TAILWATER starting at 0000 21 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0421 0000 46.9 740.0 810.0 109.5 + 166.1 17.0 0421 0100 46.9 739.0 810.0 109.6 + 166.4 17.1 0421 0200 46.9 739.0 810.0 109.6 + 166.1 17.0 0421 0300 46.8 739.0 809.0 109.5 + 161.4 16.4 0421 0400 46.8 739.0 809.0 109.5 + 154.0 16.2 0421 0500 46.8 739.0 808.0 109.3 + 149.5 14.0 0421 0600 46.8 739.0 806.0 109.1 + 146.4 13.6 0421 0700 46.8 739.0 804.0 108.8 + 155.0 13.0 0421 0800 46.8 739.0 803.0 108.7 + 152.4 10.5 0421 0900 46.8 739.0 802.0 108.5 + 161.1 10.8 0421 1000 46.8 739.0 802.0 108.5 + 161.3 10.8 0421 1100 46.8 738.0 802.0 108.7 + 159.3 10.8 0421 1200 46.9 737.0 802.0 108.8 + 150.7 10.8 0421 1300 46.9 737.0 803.0 109.0 + 135.8 13.6 0421 1400 46.9 736.0 804.0 109.2 + 136.0 14.0 0421 1500 46.9 735.0 806.0 109.7 + 143.1 14.1 0421 1600 47.1 735.0 807.0 109.8 + 143.3 14.0 0421 1700 47.1 735.0 807.0 109.8 + 140.2 13.9 0421 1800 47.1 735.0 808.0 109.9 + 150.0 13.9 0421 1900 47.1 736.0 808.0 109.8 + 159.1 13.5 0421 2000 47.1 736.0 808.0 109.8 + 158.2 13.9 0421 2100 47.3 736.0 807.0 109.6 + 160.0 16.0 0421 2200 47.3 736.0 809.0 109.9 + 161.2 15.8 0421 2300 47.3 736.0 810.0 110.1 + 151.2 16.1