TOTAL DISSOLVED GAS REPORT FOR PASCO, WA starting at 0000 18 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0418 0000 48.3 756.5 815.0 107.7 17.0 + + 0418 0100 48.3 756.4 813.0 107.5 17.0 + + 0418 0200 48.3 756.3 812.0 107.4 17.0 + + 0418 0300 48.2 756.2 811.0 107.2 17.0 + + 0418 0400 48.1 756.3 810.0 107.1 17.0 + + 0418 0500 48.1 756.2 810.0 107.1 17.0 + + 0418 0600 48.0 756.2 811.0 107.2 17.0 + + 0418 0700 48.0 756.0 813.0 107.5 17.0 + + 0418 0800 48.0 756.3 815.0 107.8 17.0 + + 0418 0900 47.9 756.4 817.0 108.0 17.0 + + 0418 1000 47.9 756.3 820.0 108.4 16.9 + + 0418 1100 48.0 755.8 822.0 108.8 16.9 + + 0418 1200 48.0 755.3 824.0 109.1 16.9 + + 0418 1300 48.1 754.6 824.0 109.2 16.8 + + 0418 1400 48.2 753.8 825.0 109.4 16.8 + + 0418 1500 48.4 753.0 826.0 109.7 16.7 + + 0418 1600 48.6 752.3 826.0 109.8 16.6 + + 0418 1700 48.6 751.7 826.0 109.9 16.5 + + 0418 1800 48.7 751.2 826.0 110.0 16.5 + + 0418 1900 48.6 750.8 824.0 109.7 16.4 + + 0418 2000 48.5 750.7 823.0 109.6 16.4 + + 0418 2100 48.5 751.0 821.0 109.3 16.3 + + 0418 2200 48.5 751.1 819.0 109.0 16.3 + + 0418 2300 48.5 751.0 818.0 108.9 16.3 + + TOTAL DISSOLVED GAS REPORT FOR McNARY WASHINGTON SIDE starting at 0000 18 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0418 0000 49.9 756.2 806.0 106.6 49.1 223.7 165.7 0418 0100 50.3 756.2 808.0 106.9 48.8 228.7 171.0 0418 0200 50.3 756.1 812.0 107.4 48.8 233.7 176.9 0418 0300 50.2 756.0 813.0 107.5 48.7 234.5 176.9 0418 0400 50.1 755.8 812.0 107.4 48.9 234.7 176.8 0418 0500 50.0 755.9 812.0 107.4 48.9 234.4 176.8 0418 0600 49.9 755.7 811.0 107.3 48.8 235.2 176.9 0418 0700 49.9 755.7 810.0 107.2 49.0 234.5 176.8 0418 0800 49.8 756.0 810.0 107.1 48.8 234.1 176.6 0418 0900 49.7 755.9 810.0 107.2 48.8 233.9 176.6 0418 1000 49.6 755.7 809.0 107.1 49.0 233.9 176.6 0418 1100 49.5 755.0 809.0 107.2 49.0 234.1 176.7 0418 1200 49.4 754.6 810.0 107.3 48.8 233.9 176.7 0418 1300 49.5 753.8 810.0 107.5 48.9 234.2 176.6 0418 1400 49.8 753.2 813.0 107.9 48.9 234.9 176.5 0418 1500 49.9 752.5 815.0 108.3 48.7 234.9 176.2 0418 1600 49.9 751.8 817.0 108.7 48.6 225.1 167.7 0418 1700 50.0 751.3 819.0 109.0 49.0 221.1 164.6 0418 1800 50.1 750.8 820.0 109.2 48.7 222.2 164.5 0418 1900 49.9 750.2 823.0 109.7 49.0 222.3 164.4 0418 2000 50.0 749.8 824.0 109.9 49.4 220.5 162.9 0418 2100 50.0 749.9 825.0 110.0 49.4 207.2 149.7 0418 2200 49.9 749.5 825.0 110.1 49.3 206.7 149.5 0418 2300 50.1 749.8 826.0 110.2 49.0 207.2 149.4 TOTAL DISSOLVED GAS REPORT FOR McNARY TAILWATER starting at 0000 18 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0418 0000 49.7 758.5 923.0 121.7 19.2 223.7 165.7 0418 0100 49.7 758.5 923.0 121.7 19.4 228.7 171.0 0418 0200 49.8 758.5 923.0 121.7 19.4 233.7 176.9 0418 0300 49.8 758.4 925.0 122.0 19.5 234.5 176.9 0418 0400 49.8 758.2 925.0 122.0 19.4 234.7 176.8 0418 0500 49.8 758.3 926.0 122.1 19.4 234.4 176.8 0418 0600 49.8 758.1 927.0 122.3 19.3 235.2 176.9 0418 0700 49.8 758.1 927.0 122.3 19.3 234.5 176.8 0418 0800 49.8 758.3 927.0 122.2 19.3 234.1 176.6 0418 0900 49.8 758.2 926.0 122.1 19.4 233.9 176.6 0418 1000 49.8 758.0 927.0 122.3 19.3 233.9 176.6 0418 1100 49.8 757.3 928.0 122.5 19.3 234.1 176.7 0418 1200 49.8 756.8 929.0 122.8 19.4 233.9 176.7 0418 1300 49.8 756.0 928.0 122.8 19.2 234.2 176.6 0418 1400 49.8 755.5 927.0 122.7 19.2 234.9 176.5 0418 1500 49.9 754.7 927.0 122.8 19.2 234.9 176.2 0418 1600 49.9 754.1 926.0 122.8 18.9 225.1 167.7 0418 1700 50.0 753.6 922.0 122.3 18.9 221.1 164.6 0418 1800 50.0 753.2 919.0 122.0 18.8 222.2 164.5 0418 1900 50.0 752.7 917.0 121.8 18.8 222.3 164.4 0418 2000 50.0 752.4 915.0 121.6 18.7 220.5 162.9 0418 2100 49.9 752.5 913.0 121.3 18.5 207.2 149.7 0418 2200 49.9 752.5 911.0 121.1 18.5 206.7 149.5 0418 2300 49.9 752.6 910.0 120.9 18.5 207.2 149.4 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY (Wingwall) starting at 0000 18 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0418 0000 50.4 759.0 813.0 107.1 32.2 235.4 173.0 0418 0100 50.4 759.0 814.0 107.2 32.2 240.8 178.8 0418 0200 50.4 759.0 814.0 107.2 31.4 247.2 185.1 0418 0300 50.4 759.0 814.0 107.2 29.9 247.2 185.1 0418 0400 50.4 759.0 813.0 107.1 32.2 249.2 185.1 0418 0500 50.3 759.0 813.0 107.1 32.1 247.5 185.1 0418 0600 50.4 758.0 813.0 107.3 31.1 249.3 185.1 0418 0700 50.3 759.0 813.0 107.1 31.9 246.2 185.1 0418 0800 50.3 759.0 813.0 107.1 31.8 247.3 185.1 0418 0900 50.3 759.0 813.0 107.1 31.8 245.9 185.1 0418 1000 50.2 758.0 813.0 107.3 30.7 246.0 185.1 0418 1100 50.2 758.0 814.0 107.4 31.1 246.0 185.1 0418 1200 50.3 757.0 814.0 107.5 31.1 247.7 185.1 0418 1300 50.3 756.0 814.0 107.7 31.7 245.5 185.1 0418 1400 50.3 756.0 815.0 107.8 31.0 245.5 185.1 0418 1500 50.3 755.0 816.0 108.1 31.4 248.0 185.1 0418 1600 50.5 754.0 817.0 108.4 32.0 245.6 185.1 0418 1700 50.4 754.0 819.0 108.6 31.6 246.2 185.1 0418 1800 50.5 753.0 820.0 108.9 31.6 245.7 185.1 0418 1900 50.5 753.0 821.0 109.0 30.0 246.9 185.1 0418 2000 50.6 753.0 822.0 109.2 31.9 246.4 182.9 0418 2100 50.7 753.0 822.0 109.2 31.8 217.1 155.2 0418 2200 50.5 753.0 822.0 109.2 31.9 218.2 154.9 0418 2300 50.5 753.0 823.0 109.3 31.8 218.4 154.9 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY TAILWATER starting at 0000 18 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0418 0000 50.5 761.0 909.0 119.4 15.9 235.4 173.0 0418 0100 50.6 761.0 913.0 120.0 16.1 240.8 178.8 0418 0200 50.6 761.0 916.0 120.4 15.9 247.2 185.1 0418 0300 50.6 761.0 917.0 120.5 15.9 247.2 185.1 0418 0400 50.5 761.0 914.0 120.1 16.0 249.2 185.1 0418 0500 50.5 761.0 916.0 120.4 15.8 247.5 185.1 0418 0600 50.5 761.0 917.0 120.5 15.8 249.3 185.1 0418 0700 50.5 761.0 914.0 120.1 15.7 246.2 185.1 0418 0800 50.4 761.0 914.0 120.1 15.8 247.3 185.1 0418 0900 50.4 761.0 915.0 120.2 15.8 245.9 185.1 0418 1000 50.5 761.0 915.0 120.2 15.8 246.0 185.1 0418 1100 50.5 760.0 914.0 120.3 15.8 246.0 185.1 0418 1200 50.6 760.0 913.0 120.1 15.7 247.7 185.1 0418 1300 50.6 759.0 912.0 120.2 15.6 245.5 185.1 0418 1400 50.6 758.0 912.0 120.3 15.6 245.5 185.1 0418 1500 50.7 757.0 909.0 120.1 15.5 248.0 185.1 0418 1600 50.7 757.0 909.0 120.1 15.5 245.6 185.1 0418 1700 50.7 756.0 910.0 120.4 15.4 246.2 185.1 0418 1800 50.7 755.0 907.0 120.1 15.4 245.7 185.1 0418 1900 50.7 755.0 909.0 120.4 15.5 246.9 185.1 0418 2000 50.7 755.0 909.0 120.4 15.0 246.4 182.9 0418 2100 50.7 755.0 895.0 118.5 14.6 217.1 155.2 0418 2200 50.7 755.0 892.0 118.1 14.7 218.2 154.9 0418 2300 50.7 756.0 891.0 117.9 14.6 218.4 154.9 TOTAL DISSOLVED GAS REPORT FOR THE DALLES starting at 0000 18 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0418 0000 50.9 761.0 916.0 120.4 15.7 231.6 80.0 0418 0100 51.0 762.0 918.0 120.5 14.4 238.2 84.4 0418 0200 51.0 761.0 920.0 120.9 15.7 241.1 89.0 0418 0300 51.0 761.0 921.0 121.0 15.8 241.8 89.0 0418 0400 51.0 761.0 921.0 121.0 15.4 242.1 89.0 0418 0500 50.9 761.0 921.0 121.0 12.5 241.4 89.0 0418 0600 50.9 761.0 920.0 120.9 14.0 241.2 89.0 0418 0700 50.8 761.0 919.0 120.8 16.0 231.9 89.0 0418 0800 50.8 762.0 919.0 120.6 14.4 234.4 89.0 0418 0900 50.7 761.0 918.0 120.6 14.8 235.4 89.0 0418 1000 50.7 761.0 917.0 120.5 14.7 236.3 89.0 0418 1100 50.8 760.0 918.0 120.8 15.5 236.5 89.0 0418 1200 50.7 760.0 918.0 120.8 15.4 235.9 89.0 0418 1300 50.8 759.0 919.0 121.1 15.2 235.7 89.0 0418 1400 50.8 758.0 920.0 121.4 14.6 235.7 89.0 0418 1500 51.0 757.0 921.0 121.7 15.1 236.8 89.0 0418 1600 51.0 757.0 923.0 121.9 14.7 234.3 89.0 0418 1700 51.0 756.0 925.0 122.4 15.3 235.6 89.0 0418 1800 51.1 755.0 927.0 122.8 15.0 240.8 89.0 0418 1900 51.1 755.0 928.0 122.9 14.9 241.8 89.0 0418 2000 51.1 755.0 928.0 122.9 14.5 241.8 89.0 0418 2100 51.1 756.0 929.0 122.9 15.0 235.2 89.0 0418 2200 51.0 756.0 929.0 122.9 15.4 211.7 89.0 0418 2300 51.1 756.0 929.0 122.9 14.9 208.4 89.0 TOTAL DISSOLVED GAS REPORT FOR 1 MILE DOWNSTREAM OF THE DALLES starting at 0000 18 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0418 0000 50.8 763.0 921.0 120.7 9.4 231.6 80.0 0418 0100 50.9 763.0 923.0 121.0 9.6 238.2 84.4 0418 0200 50.9 763.0 925.0 121.2 9.5 241.1 89.0 0418 0300 50.9 762.0 929.0 121.9 9.6 241.8 89.0 0418 0400 50.9 762.0 930.0 122.0 9.5 242.1 89.0 0418 0500 50.9 762.0 931.0 122.2 9.5 241.4 89.0 0418 0600 50.9 762.0 928.0 121.8 9.5 241.2 89.0 0418 0700 50.9 762.0 929.0 121.9 9.5 231.9 89.0 0418 0800 50.8 763.0 929.0 121.8 9.6 234.4 89.0 0418 0900 50.8 762.0 930.0 122.0 9.6 235.4 89.0 0418 1000 50.8 762.0 930.0 122.0 9.5 236.3 89.0 0418 1100 50.8 761.0 931.0 122.3 9.5 236.5 89.0 0418 1200 50.9 761.0 930.0 122.2 9.3 235.9 89.0 0418 1300 50.9 760.0 929.0 122.2 9.3 235.7 89.0 0418 1400 51.0 759.0 930.0 122.5 9.3 235.7 89.0 0418 1500 50.9 758.0 930.0 122.7 9.3 236.8 89.0 0418 1600 51.0 758.0 931.0 122.8 9.2 234.3 89.0 0418 1700 51.0 757.0 930.0 122.9 9.2 235.6 89.0 0418 1800 51.0 756.0 930.0 123.0 9.5 240.8 89.0 0418 1900 51.0 756.0 930.0 123.0 9.2 241.8 89.0 0418 2000 51.0 756.0 931.0 123.1 9.3 241.8 89.0 0418 2100 51.0 757.0 930.0 122.9 9.2 235.2 89.0 0418 2200 51.0 757.0 930.0 122.9 8.8 211.7 89.0 0418 2300 51.0 757.0 932.0 123.1 8.7 208.4 89.0 TOTAL DISSOLVED GAS REPORT FOR BONNEVILLE starting at 0000 18 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0418 0000 50.9 761.0 874.0 114.8 10.0 243.6 149.7 0418 0100 50.9 761.0 876.0 115.1 10.8 245.1 149.6 0418 0200 50.9 761.0 877.0 115.2 9.2 246.1 149.6 0418 0300 50.8 761.0 878.0 115.4 11.4 246.8 149.7 0418 0400 50.8 761.0 878.0 115.4 8.8 246.8 149.7 0418 0500 50.8 761.0 878.0 115.4 8.7 246.4 149.7 0418 0600 50.8 760.0 879.0 115.7 11.1 247.7 149.7 0418 0700 50.8 761.0 879.0 115.5 11.5 243.4 149.9 0418 0800 50.8 761.0 879.0 115.5 11.9 243.7 149.8 0418 0900 50.8 760.0 878.0 115.5 10.5 243.6 149.8 0418 1000 50.8 760.0 878.0 115.5 11.1 243.6 149.8 0418 1100 50.9 759.0 879.0 115.8 9.7 243.7 149.8 0418 1200 51.0 759.0 879.0 115.8 11.8 243.5 149.7 0418 1300 51.1 758.0 879.0 116.0 10.8 243.7 149.7 0418 1400 51.2 758.0 878.0 115.8 10.2 243.9 149.7 0418 1500 51.3 757.0 879.0 116.1 10.0 244.1 149.6 0418 1600 51.4 756.0 881.0 116.5 10.5 243.3 149.6 0418 1700 51.4 756.0 883.0 116.8 11.4 243.8 149.6 0418 1800 51.5 755.0 885.0 117.2 9.5 249.1 149.5 0418 1900 51.4 755.0 886.0 117.4 9.7 249.7 149.4 0418 2000 51.4 755.0 888.0 117.6 9.2 249.4 149.4 0418 2100 51.4 755.0 889.0 117.7 9.1 250.0 149.5 0418 2200 51.3 755.0 891.0 118.0 9.8 250.0 149.4 0418 2300 51.3 755.0 894.0 118.4 9.4 250.3 149.4 TOTAL DISSOLVED GAS REPORT FOR WARRENDALE starting at 0000 18 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0418 0000 51.2 765.0 924.0 120.8 8.1 243.6 149.7 0418 0100 51.1 764.0 924.0 120.9 8.1 245.1 149.6 0418 0200 51.1 764.0 923.0 120.8 8.0 246.1 149.6 0418 0300 51.0 764.0 924.0 120.9 8.0 246.8 149.7 0418 0400 50.9 764.0 924.0 120.9 8.0 246.8 149.7 0418 0500 50.9 764.0 924.0 120.9 8.0 246.4 149.7 0418 0600 50.9 764.0 924.0 120.9 8.0 247.7 149.7 0418 0700 50.8 764.0 923.0 120.8 8.0 243.4 149.9 0418 0800 50.8 764.0 925.0 121.1 8.0 243.7 149.8 0418 0900 50.9 764.0 926.0 121.2 8.0 243.6 149.8 0418 1000 50.9 763.0 926.0 121.4 8.0 243.6 149.8 0418 1100 51.0 763.0 927.0 121.5 8.0 243.7 149.8 0418 1200 51.1 763.0 928.0 121.6 8.0 243.5 149.7 0418 1300 51.2 762.0 928.0 121.8 8.0 243.7 149.7 0418 1400 51.3 761.0 929.0 122.1 7.9 243.9 149.7 0418 1500 51.5 761.0 929.0 122.1 7.9 244.1 149.6 0418 1600 51.5 760.0 929.0 122.2 7.9 243.3 149.6 0418 1700 51.6 759.0 928.0 122.3 7.9 243.8 149.6 0418 1800 51.7 759.0 927.0 122.1 7.7 249.1 149.5 0418 1900 51.7 758.0 926.0 122.2 7.8 249.7 149.4 0418 2000 51.6 758.0 925.0 122.0 7.8 249.4 149.4 0418 2100 51.6 759.0 924.0 121.7 7.8 250.0 149.5 0418 2200 51.6 759.0 923.0 121.6 7.8 250.0 149.4 0418 2300 51.5 759.0 922.0 121.5 7.8 250.3 149.4 TOTAL DISSOLVED GAS REPORT FOR CAMAS/WASHOUGAL starting at 0000 18 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0418 0000 + + + + + 243.6 149.7 0418 0100 + + + + + 245.1 149.6 0418 0200 + + + + + 246.1 149.6 0418 0300 + + + + + 246.8 149.7 0418 0400 + + + + + 246.8 149.7 0418 0500 + + + + + 246.4 149.7 0418 0600 + + + + + 247.7 149.7 0418 0700 + + + + + 243.4 149.9 0418 0800 + + + + + 243.7 149.8 0418 0900 + + + + + 243.6 149.8 0418 1000 + + + + + 243.6 149.8 0418 1100 + + + + + 243.7 149.8 0418 1200 + + + + + 243.5 149.7 0418 1300 + + + + + 243.7 149.7 0418 1400 + + + + + 243.9 149.7 0418 1500 + + + + + 244.1 149.6 0418 1600 + + + + + 243.3 149.6 0418 1700 + + + + + 243.8 149.6 0418 1800 + + + + + 249.1 149.5 0418 1900 + + + + + 249.7 149.4 0418 2000 + + + + + 249.4 149.4 0418 2100 + + + + + 250.0 149.5 0418 2200 + + + + + 250.0 149.4 0418 2300 + + + + + 250.3 149.4 TOTAL DISSOLVED GAS REPORT FOR CASCADE ISLAND, WA starting at 0000 18 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0418 0000 50.8 763.0 924.0 121.1 30.5 243.6 149.7 0418 0100 50.8 763.0 924.0 121.1 30.6 245.1 149.6 0418 0200 50.8 763.0 924.0 121.1 30.6 246.1 149.6 0418 0300 50.7 763.0 924.0 121.1 30.7 246.8 149.7 0418 0400 50.7 763.0 923.0 121.0 30.6 246.8 149.7 0418 0500 50.7 763.0 923.0 121.0 30.6 246.4 149.7 0418 0600 50.7 763.0 923.0 121.0 30.8 247.7 149.7 0418 0700 50.7 763.0 923.0 121.0 30.6 243.4 149.9 0418 0800 50.7 763.0 923.0 121.0 30.7 243.7 149.8 0418 0900 50.7 762.0 923.0 121.1 30.5 243.6 149.8 0418 1000 50.8 762.0 923.0 121.1 30.6 243.6 149.8 0418 1100 50.8 762.0 922.0 121.0 30.7 243.7 149.8 0418 1200 51.0 761.0 922.0 121.2 30.7 243.5 149.7 0418 1300 51.0 761.0 921.0 121.0 30.7 243.7 149.7 0418 1400 51.1 760.0 920.0 121.1 30.6 243.9 149.7 0418 1500 51.2 759.0 921.0 121.3 30.7 244.1 149.6 0418 1600 51.3 758.0 920.0 121.4 30.5 243.3 149.6 0418 1700 51.4 758.0 918.0 121.1 30.6 243.8 149.6 0418 1800 51.4 757.0 919.0 121.4 30.7 249.1 149.5 0418 1900 51.4 757.0 918.0 121.3 30.8 249.7 149.4 0418 2000 51.3 757.0 918.0 121.3 30.7 249.4 149.4 0418 2100 51.3 757.0 919.0 121.4 30.6 250.0 149.5 0418 2200 51.2 757.0 919.0 121.4 30.8 250.0 149.4 0418 2300 51.2 758.0 920.0 121.4 30.3 250.3 149.4