TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND TAILWATER starting at 1500 19 Feb 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0219 1500 39.9 743.0 750.0 100.9 + 82.4 0.0 0219 1600 39.9 743.0 751.0 101.1 + 86.5 0.0 0219 1700 39.9 743.0 751.0 101.1 + 133.8 0.0 0219 1800 39.9 743.0 751.0 101.1 + 142.5 0.0 0219 1900 39.9 743.0 751.0 101.1 + 137.9 0.0 0219 2000 39.9 744.0 751.0 100.9 + 150.8 0.0 0219 2100 39.9 744.0 751.0 100.9 + 152.1 0.0 0219 2200 39.9 744.0 751.0 100.9 + 156.7 0.0 0219 2300 39.9 744.0 751.0 100.9 + 154.6 0.0 0220 0000 39.9 745.0 751.0 100.8 + 147.3 0.0 0220 0100 39.9 745.0 750.0 100.7 + 146.7 0.0 0220 0200 39.9 745.0 750.0 100.7 + 137.3 0.0 0220 0300 39.7 746.0 749.0 100.4 + 134.5 0.0 0220 0400 39.7 746.0 749.0 100.4 + 154.4 0.0 0220 0500 39.7 746.0 749.0 100.4 + 160.1 0.0 0220 0600 39.7 746.0 749.0 100.4 + 159.9 0.0 0220 0700 39.7 747.0 748.0 100.1 + 164.9 0.0 0220 0800 39.7 747.0 748.0 100.1 + 164.9 0.0 0220 0900 39.7 747.0 748.0 100.1 + 156.3 0.0 0220 1000 39.7 748.0 748.0 100.0 + 142.6 0.0 0220 1100 39.7 747.0 749.0 100.3 + 141.4 0.0 0220 1200 39.7 747.0 749.0 100.3 + 127.7 0.0 0220 1300 39.7 747.0 749.0 100.3 + 133.0 0.0 0220 1400 39.7 747.0 749.0 100.3 + 146.9 0.0 0220 1500 + + + + + 146.9 0.0