TOTAL DISSOLVED GAS REPORT FOR PASCO, WA starting at 0600 29 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0429 0600 50.9 757.3 814.0 107.5 16.1 + + 0429 0700 50.8 757.6 812.0 107.2 16.1 + + 0429 0800 50.8 758.0 811.0 107.0 16.1 + + 0429 0900 50.9 758.1 812.0 107.1 16.2 + + 0429 1000 51.0 758.1 814.0 107.4 16.2 + + 0429 1100 51.2 758.0 817.0 107.8 16.2 + + 0429 1200 51.5 757.7 821.0 108.4 16.2 + + 0429 1300 51.6 757.3 824.0 108.8 16.1 + + 0429 1400 51.7 756.9 826.0 109.1 16.2 + + 0429 1500 51.8 756.4 828.0 109.5 16.2 + + 0429 1600 51.9 755.7 830.0 109.8 16.1 + + 0429 1700 52.0 755.3 832.0 110.2 16.1 + + 0429 1800 52.0 755.2 832.0 110.2 16.2 + + 0429 1900 52.0 755.0 832.0 110.2 16.1 + + 0429 2000 51.9 755.2 831.0 110.0 16.2 + + 0429 2100 51.9 755.6 830.0 109.8 16.2 + + 0429 2200 51.8 755.8 829.0 109.7 16.2 + + 0429 2300 51.7 755.7 828.0 109.6 16.3 + + 0430 0000 51.7 756.0 828.0 109.5 16.3 + + 0430 0100 51.7 756.1 828.0 109.5 16.3 + + 0430 0200 51.6 756.1 829.0 109.6 16.3 + + 0430 0300 51.6 756.1 829.0 109.6 16.4 + + 0430 0400 51.5 756.3 829.0 109.6 16.4 + + 0430 0500 51.5 756.2 827.0 109.4 16.4 + + 0430 0600 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR McNARY WASHINGTON SIDE starting at 0600 29 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0429 0600 51.7 757.4 828.0 109.3 48.1 214.2 155.6 0429 0700 51.7 757.6 828.0 109.3 48.1 214.4 155.5 0429 0800 51.7 758.2 828.0 109.2 48.0 213.4 155.5 0429 0900 51.7 758.2 828.0 109.2 48.1 214.0 155.4 0429 1000 51.7 758.1 829.0 109.4 48.1 213.8 155.4 0429 1100 51.6 758.0 830.0 109.5 48.4 213.6 155.4 0429 1200 51.6 757.5 829.0 109.4 48.1 214.7 155.6 0429 1300 51.6 757.0 829.0 109.5 48.3 214.1 155.7 0429 1400 51.5 756.6 828.0 109.4 48.3 214.6 155.9 0429 1500 51.4 756.2 828.0 109.5 48.2 214.8 155.9 0429 1600 51.6 755.6 828.0 109.6 48.0 213.4 155.9 0429 1700 52.9 755.3 836.0 110.7 47.7 213.8 156.0 0429 1800 53.1 755.2 841.0 111.4 47.8 214.5 156.0 0429 1900 52.9 755.0 840.0 111.3 47.7 214.8 156.0 0429 2000 52.8 755.0 837.0 110.9 47.9 214.4 156.2 0429 2100 52.5 755.4 834.0 110.4 48.2 214.7 156.3 0429 2200 52.9 755.6 834.0 110.4 47.9 214.5 156.4 0429 2300 52.4 755.7 835.0 110.5 47.8 214.7 156.5 0430 0000 53.2 755.9 836.0 110.6 48.0 214.1 156.6 0430 0100 53.2 756.0 839.0 111.0 47.5 214.9 156.7 0430 0200 52.9 756.0 837.0 110.7 47.9 214.7 156.8 0430 0300 52.7 756.0 836.0 110.6 48.3 214.6 156.9 0430 0400 52.3 756.1 834.0 110.3 48.5 214.3 157.0 0430 0500 52.3 756.2 833.0 110.2 48.6 214.7 156.9 0430 0600 + + + + + 214.7 156.4 TOTAL DISSOLVED GAS REPORT FOR McNARY TAILWATER starting at 0600 29 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0429 0600 51.8 759.8 918.0 120.8 19.5 214.2 155.6 0429 0700 51.8 759.9 919.0 120.9 19.6 214.4 155.5 0429 0800 51.8 760.6 919.0 120.8 19.5 213.4 155.5 0429 0900 51.9 760.6 921.0 121.1 19.4 214.0 155.4 0429 1000 51.9 760.5 921.0 121.1 19.4 213.8 155.4 0429 1100 52.0 760.3 922.0 121.3 19.5 213.6 155.4 0429 1200 52.1 759.8 922.0 121.3 19.4 214.7 155.6 0429 1300 52.1 759.2 922.0 121.4 19.2 214.1 155.7 0429 1400 52.1 758.8 921.0 121.4 19.2 214.6 155.9 0429 1500 52.1 758.5 920.0 121.3 19.2 214.8 155.9 0429 1600 52.2 758.0 920.0 121.4 19.2 213.4 155.9 0429 1700 52.3 757.6 918.0 121.2 19.1 213.8 156.0 0429 1800 52.4 757.6 917.0 121.0 19.1 214.5 156.0 0429 1900 52.5 757.4 915.0 120.8 19.1 214.8 156.0 0429 2000 52.5 757.4 916.0 120.9 19.1 214.4 156.2 0429 2100 52.5 757.8 916.0 120.9 19.2 214.7 156.3 0429 2200 52.5 758.0 918.0 121.1 19.1 214.5 156.4 0429 2300 52.4 757.9 919.0 121.3 19.1 214.7 156.5 0430 0000 52.5 758.2 918.0 121.1 19.1 214.1 156.6 0430 0100 52.6 758.3 918.0 121.1 19.2 214.9 156.7 0430 0200 52.6 758.3 918.0 121.1 19.1 214.7 156.8 0430 0300 52.6 758.3 918.0 121.1 19.1 214.6 156.9 0430 0400 52.6 758.4 918.0 121.0 19.2 214.3 157.0 0430 0500 52.5 758.5 918.0 121.0 19.1 214.7 156.9 0430 0600 + + + + + 214.7 156.4 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY (Wingwall) starting at 0600 29 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0429 0600 52.2 760.0 870.0 114.5 31.9 230.2 168.0 0429 0700 52.2 761.0 870.0 114.3 32.1 230.0 168.0 0429 0800 52.1 761.0 872.0 114.6 31.6 230.8 168.0 0429 0900 52.1 761.0 871.0 114.5 31.5 230.1 168.0 0429 1000 52.2 761.0 874.0 114.8 31.9 232.5 168.0 0429 1100 52.2 761.0 875.0 115.0 31.5 230.1 168.0 0429 1200 52.2 760.0 876.0 115.3 31.7 233.2 168.0 0429 1300 52.3 760.0 877.0 115.4 31.8 230.6 168.0 0429 1400 52.3 759.0 877.0 115.5 31.5 231.8 168.0 0429 1500 52.5 759.0 877.0 115.5 32.0 230.5 168.0 0429 1600 52.4 758.0 879.0 116.0 31.8 232.6 168.0 0429 1700 52.5 758.0 879.0 116.0 32.2 230.0 168.0 0429 1800 52.5 758.0 879.0 116.0 32.1 231.0 168.0 0429 1900 52.7 758.0 880.0 116.1 32.0 230.7 168.0 0429 2000 52.5 758.0 879.0 116.0 31.5 231.0 168.0 0429 2100 52.7 758.0 880.0 116.1 32.2 231.0 168.0 0429 2200 52.7 759.0 880.0 115.9 32.2 230.5 168.0 0429 2300 52.8 759.0 880.0 115.9 32.2 231.0 168.0 0430 0000 53.0 759.0 881.0 116.1 32.1 230.2 168.0 0430 0100 53.0 759.0 881.0 116.1 32.3 230.5 168.0 0430 0200 52.8 759.0 881.0 116.1 32.2 230.7 168.0 0430 0300 53.0 759.0 881.0 116.1 32.2 230.5 168.0 0430 0400 52.8 759.0 882.0 116.2 32.0 229.7 167.8 0430 0500 52.8 759.0 882.0 116.2 31.8 229.2 167.5 0430 0600 + + + + + 229.5 167.5 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY TAILWATER starting at 0600 29 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0429 0600 52.5 763.0 908.0 119.0 15.9 230.2 168.0 0429 0700 52.5 763.0 907.0 118.9 15.9 230.0 168.0 0429 0800 52.5 764.0 908.0 118.8 16.0 230.8 168.0 0429 0900 52.5 764.0 911.0 119.2 15.8 230.1 168.0 0429 1000 52.5 763.0 913.0 119.7 15.8 232.5 168.0 0429 1100 52.6 763.0 908.0 119.0 15.9 230.1 168.0 0429 1200 52.7 763.0 911.0 119.4 16.2 233.2 168.0 0429 1300 52.7 762.0 911.0 119.6 16.2 230.6 168.0 0429 1400 52.9 762.0 910.0 119.4 16.5 231.8 168.0 0429 1500 52.8 761.0 909.0 119.4 16.4 230.5 168.0 0429 1600 52.9 760.0 910.0 119.7 16.4 232.6 168.0 0429 1700 52.9 760.0 909.0 119.6 16.5 230.0 168.0 0429 1800 52.9 760.0 909.0 119.6 16.4 231.0 168.0 0429 1900 52.9 760.0 908.0 119.5 16.3 230.7 168.0 0429 2000 53.0 760.0 907.0 119.3 16.3 231.0 168.0 0429 2100 53.1 761.0 907.0 119.2 16.1 231.0 168.0 0429 2200 53.0 761.0 906.0 119.1 16.1 230.5 168.0 0429 2300 53.0 761.0 907.0 119.2 16.0 231.0 168.0 0430 0000 53.0 761.0 906.0 119.1 15.9 230.2 168.0 0430 0100 53.0 761.0 907.0 119.2 15.9 230.5 168.0 0430 0200 53.0 761.0 908.0 119.3 15.9 230.7 168.0 0430 0300 53.1 761.0 907.0 119.2 15.9 230.5 168.0 0430 0400 53.1 761.0 907.0 119.2 15.9 229.7 167.8 0430 0500 53.0 761.0 909.0 119.4 15.8 229.2 167.5 0430 0600 + + + + + 229.5 167.5 TOTAL DISSOLVED GAS REPORT FOR THE DALLES starting at 0600 29 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0429 0600 52.7 763.0 878.0 115.1 15.5 227.0 86.0 0429 0700 52.7 763.0 878.0 115.1 15.8 226.7 86.0 0429 0800 52.6 764.0 878.0 114.9 15.8 222.8 86.0 0429 0900 52.6 764.0 881.0 115.3 16.4 218.8 86.0 0429 1000 52.7 764.0 882.0 115.4 16.2 210.5 86.0 0429 1100 52.7 763.0 884.0 115.9 16.8 201.0 86.0 0429 1200 52.8 763.0 888.0 116.4 16.8 200.7 86.0 0429 1300 52.8 762.0 891.0 116.9 15.9 200.5 86.0 0429 1400 53.0 762.0 895.0 117.5 16.6 200.6 86.0 0429 1500 52.9 761.0 898.0 118.0 17.3 207.2 86.0 0429 1600 53.0 761.0 901.0 118.4 16.7 219.2 86.0 0429 1700 53.1 760.0 903.0 118.8 16.4 219.2 86.0 0429 1800 53.1 760.0 907.0 119.3 17.0 220.9 86.0 0429 1900 53.2 760.0 910.0 119.7 16.6 231.9 86.0 0429 2000 53.2 760.0 912.0 120.0 16.9 232.5 86.0 0429 2100 53.1 761.0 913.0 120.0 16.2 230.8 86.0 0429 2200 53.2 761.0 914.0 120.1 14.1 230.7 86.0 0429 2300 53.2 761.0 916.0 120.4 16.7 230.6 86.0 0430 0000 53.2 762.0 917.0 120.3 16.3 227.6 86.0 0430 0100 53.3 762.0 918.0 120.5 15.9 221.3 87.0 0430 0200 53.3 762.0 920.0 120.7 16.0 221.2 87.0 0430 0300 53.3 761.0 920.0 120.9 16.2 221.2 87.0 0430 0400 53.3 762.0 921.0 120.9 15.8 220.3 87.0 0430 0500 53.3 762.0 921.0 120.9 15.9 232.0 87.0 0430 0600 + + + + + 232.9 87.0 TOTAL DISSOLVED GAS REPORT FOR 1 MILE DOWNSTREAM OF THE DALLES starting at 0600 29 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0429 0600 52.7 764.0 906.0 118.6 10.0 227.0 86.0 0429 0700 52.7 765.0 905.0 118.3 9.8 226.7 86.0 0429 0800 52.7 765.0 906.0 118.4 10.1 222.8 86.0 0429 0900 52.8 765.0 908.0 118.7 9.8 218.8 86.0 0429 1000 52.8 765.0 910.0 119.0 9.8 210.5 86.0 0429 1100 52.9 764.0 912.0 119.4 9.4 201.0 86.0 0429 1200 52.9 764.0 914.0 119.6 9.3 200.7 86.0 0429 1300 52.9 763.0 917.0 120.2 9.6 200.5 86.0 0429 1400 53.0 763.0 918.0 120.3 9.3 200.6 86.0 0429 1500 53.0 762.0 920.0 120.7 9.5 207.2 86.0 0429 1600 53.2 762.0 920.0 120.7 9.6 219.2 86.0 0429 1700 53.2 761.0 920.0 120.9 9.7 219.2 86.0 0429 1800 53.0 761.0 921.0 121.0 9.7 220.9 86.0 0429 1900 53.1 761.0 920.0 120.9 10.0 231.9 86.0 0429 2000 53.1 761.0 920.0 120.9 10.0 232.5 86.0 0429 2100 53.1 762.0 920.0 120.7 10.0 230.8 86.0 0429 2200 53.0 762.0 921.0 120.9 9.9 230.7 86.0 0429 2300 53.1 762.0 923.0 121.1 10.0 230.6 86.0 0430 0000 53.1 763.0 923.0 121.0 10.0 227.6 86.0 0430 0100 53.1 763.0 924.0 121.1 9.9 221.3 87.0 0430 0200 53.2 763.0 926.0 121.4 10.1 221.2 87.0 0430 0300 53.2 763.0 926.0 121.4 10.0 221.2 87.0 0430 0400 53.2 763.0 927.0 121.5 10.0 220.3 87.0 0430 0500 53.3 763.0 927.0 121.5 10.2 232.0 87.0 0430 0600 + + + + + 232.9 87.0 TOTAL DISSOLVED GAS REPORT FOR BONNEVILLE starting at 0600 29 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0429 0600 52.5 764.0 866.0 113.4 11.0 230.4 150.0 0429 0700 52.5 764.0 866.0 113.4 11.1 230.9 150.2 0429 0800 52.6 764.0 867.0 113.5 11.8 241.7 149.9 0429 0900 52.6 764.0 869.0 113.7 10.6 243.1 149.8 0429 1000 52.7 764.0 871.0 114.0 11.4 230.3 150.0 0429 1100 52.7 763.0 873.0 114.4 12.7 209.9 150.5 0429 1200 52.8 762.0 874.0 114.7 11.0 205.5 150.4 0429 1300 52.9 762.0 875.0 114.8 10.0 205.4 150.4 0429 1400 53.0 761.0 876.0 115.1 10.9 206.9 150.4 0429 1500 53.1 761.0 876.0 115.1 10.6 205.8 150.5 0429 1600 53.2 760.0 876.0 115.3 10.6 205.6 150.5 0429 1700 53.3 760.0 877.0 115.4 10.3 205.5 150.6 0429 1800 53.4 760.0 877.0 115.4 9.5 206.8 150.7 0429 1900 53.3 760.0 878.0 115.5 10.1 229.8 150.3 0429 2000 53.3 760.0 879.0 115.7 11.6 231.6 150.4 0429 2100 53.3 760.0 879.0 115.7 9.7 231.4 150.6 0429 2200 53.2 760.0 881.0 115.9 12.1 231.6 150.7 0429 2300 53.2 760.0 882.0 116.1 12.0 232.0 150.7 0430 0000 53.2 761.0 884.0 116.2 12.0 231.1 150.8 0430 0100 53.1 761.0 887.0 116.6 12.1 222.7 151.1 0430 0200 53.1 761.0 890.0 117.0 12.8 220.9 151.2 0430 0300 53.1 760.0 892.0 117.4 12.6 221.3 151.2 0430 0400 53.1 760.0 893.0 117.5 11.5 233.0 150.9 0430 0500 53.1 760.0 893.0 117.5 10.0 247.8 150.5 0430 0600 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR WARRENDALE starting at 0600 29 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0429 0600 52.7 768.0 927.0 120.7 8.2 230.4 150.0 0429 0700 52.6 769.0 926.0 120.4 8.2 230.9 150.2 0429 0800 52.6 769.0 926.0 120.4 8.2 241.7 149.9 0429 0900 52.7 768.0 928.0 120.8 8.2 243.1 149.8 0429 1000 52.8 768.0 928.0 120.8 8.2 230.3 150.0 0429 1100 52.9 767.0 929.0 121.1 8.1 209.9 150.5 0429 1200 53.0 767.0 931.0 121.4 8.1 205.5 150.4 0429 1300 53.2 766.0 931.0 121.5 8.1 205.4 150.4 0429 1400 53.3 766.0 932.0 121.7 8.1 206.9 150.4 0429 1500 53.3 765.0 934.0 122.1 8.1 205.8 150.5 0429 1600 53.5 765.0 934.0 122.1 8.0 205.6 150.5 0429 1700 53.5 764.0 933.0 122.1 8.0 205.5 150.6 0429 1800 53.6 764.0 932.0 122.0 8.0 206.8 150.7 0429 1900 53.6 764.0 931.0 121.9 8.0 229.8 150.3 0429 2000 53.5 764.0 930.0 121.7 8.0 231.6 150.4 0429 2100 53.5 764.0 928.0 121.5 8.0 231.4 150.6 0429 2200 53.5 765.0 925.0 120.9 8.0 231.6 150.7 0429 2300 53.4 765.0 925.0 120.9 8.0 232.0 150.7 0430 0000 53.4 765.0 925.0 120.9 8.0 231.1 150.8 0430 0100 53.3 765.0 926.0 121.0 8.0 222.7 151.1 0430 0200 53.3 764.0 925.0 121.1 8.0 220.9 151.2 0430 0300 53.3 764.0 926.0 121.2 8.0 221.3 151.2 0430 0400 53.2 765.0 927.0 121.2 8.0 233.0 150.9 0430 0500 53.2 765.0 928.0 121.3 8.0 247.8 150.5 0430 0600 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR CAMAS/WASHOUGAL starting at 0600 29 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0429 0600 + + + + + 230.4 150.0 0429 0700 + + + + + 230.9 150.2 0429 0800 + + + + + 241.7 149.9 0429 0900 + + + + + 243.1 149.8 0429 1000 + + + + + 230.3 150.0 0429 1100 + + + + + 209.9 150.5 0429 1200 + + + + + 205.5 150.4 0429 1300 + + + + + 205.4 150.4 0429 1400 + + + + + 206.9 150.4 0429 1500 + + + + + 205.8 150.5 0429 1600 + + + + + 205.6 150.5 0429 1700 + + + + + 205.5 150.6 0429 1800 + + + + + 206.8 150.7 0429 1900 + + + + + 229.8 150.3 0429 2000 + + + + + 231.6 150.4 0429 2100 + + + + + 231.4 150.6 0429 2200 + + + + + 231.6 150.7 0429 2300 + + + + + 232.0 150.7 0430 0000 + + + + + 231.1 150.8 0430 0100 + + + + + 222.7 151.1 0430 0200 + + + + + 220.9 151.2 0430 0300 + + + + + 221.3 151.2 0430 0400 + + + + + 233.0 150.9 0430 0500 + + + + + 247.8 150.5 0430 0600 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR CASCADE ISLAND, WA starting at 0600 29 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0429 0600 52.4 766.0 926.0 120.9 29.6 230.4 150.0 0429 0700 52.4 767.0 927.0 120.9 30.0 230.9 150.2 0429 0800 52.5 767.0 929.0 121.1 30.5 241.7 149.9 0429 0900 52.5 767.0 929.0 121.1 30.4 243.1 149.8 0429 1000 52.6 766.0 927.0 121.0 29.9 230.3 150.0 0429 1100 52.7 766.0 925.0 120.8 29.2 209.9 150.5 0429 1200 52.8 765.0 921.0 120.4 28.9 205.5 150.4 0429 1300 52.8 764.0 918.0 120.2 28.7 205.4 150.4 0429 1400 53.0 764.0 917.0 120.0 28.8 206.9 150.4 0429 1500 53.1 764.0 916.0 119.9 28.6 205.8 150.5 0429 1600 53.2 763.0 916.0 120.1 28.6 205.6 150.5 0429 1700 53.2 763.0 916.0 120.1 28.7 205.5 150.6 0429 1800 53.3 762.0 915.0 120.1 28.7 206.8 150.7 0429 1900 53.3 762.0 917.0 120.3 29.5 229.8 150.3 0429 2000 53.3 762.0 922.0 121.0 29.7 231.6 150.4 0429 2100 53.2 763.0 923.0 121.0 29.6 231.4 150.6 0429 2200 53.2 763.0 924.0 121.1 29.7 231.6 150.7 0429 2300 53.1 763.0 925.0 121.2 29.9 232.0 150.7 0430 0000 53.1 763.0 925.0 121.2 29.8 231.1 150.8 0430 0100 53.0 763.0 924.0 121.1 29.3 222.7 151.1 0430 0200 53.0 763.0 924.0 121.1 29.2 220.9 151.2 0430 0300 53.0 763.0 924.0 121.1 29.4 221.3 151.2 0430 0400 53.0 763.0 925.0 121.2 30.0 233.0 150.9 0430 0500 53.0 763.0 927.0 121.5 30.6 247.8 150.5 0430 0600 + + + + + + +