TOTAL DISSOLVED GAS REPORT FOR PASCO, WA starting at 0900 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0900 49.7 747.3 811.0 108.5 16.9 + + 0426 1000 49.8 747.2 812.0 108.7 16.9 + + 0426 1100 49.9 747.1 813.0 108.8 16.9 + + 0426 1200 50.0 747.0 815.0 109.1 16.9 + + 0426 1300 50.1 746.6 818.0 109.6 16.9 + + 0426 1400 50.3 746.5 820.0 109.8 16.9 + + 0426 1500 50.5 746.4 823.0 110.3 16.8 + + 0426 1600 50.5 746.3 824.0 110.4 16.8 + + 0426 1700 50.6 746.3 826.0 110.7 16.8 + + 0426 1800 50.6 746.5 827.0 110.8 16.8 + + 0426 1900 50.7 746.7 827.0 110.8 16.7 + + 0426 2000 50.6 747.0 827.0 110.7 16.6 + + 0426 2100 50.5 747.5 826.0 110.5 16.6 + + 0426 2200 50.5 747.8 825.0 110.3 16.5 + + 0426 2300 50.4 747.8 824.0 110.2 16.4 + + 0427 0000 50.4 748.1 823.0 110.0 16.4 + + 0427 0100 50.4 748.4 822.0 109.8 16.4 + + 0427 0200 50.4 748.6 821.0 109.7 16.4 + + 0427 0300 50.4 748.8 819.0 109.4 16.4 + + 0427 0400 50.3 749.0 818.0 109.2 16.5 + + 0427 0500 50.3 749.1 817.0 109.1 16.5 + + 0427 0600 50.3 749.5 816.0 108.9 16.5 + + 0427 0700 50.2 749.9 815.0 108.7 16.5 + + 0427 0800 50.2 750.2 814.0 108.5 16.6 + + 0427 0900 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR McNARY WASHINGTON SIDE starting at 0900 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0900 51.5 747.5 829.0 110.9 49.2 237.3 180.2 0426 1000 51.4 747.3 828.0 110.8 49.5 237.5 180.2 0426 1100 51.5 747.2 827.0 110.7 49.4 237.3 180.3 0426 1200 51.4 747.1 827.0 110.7 49.5 237.7 180.4 0426 1300 51.5 746.8 828.0 110.9 49.6 237.7 180.4 0426 1400 51.5 746.6 829.0 111.0 49.2 237.2 180.4 0426 1500 51.4 746.6 830.0 111.2 49.0 238.9 180.4 0426 1600 51.3 746.6 832.0 111.4 49.2 237.4 180.5 0426 1700 51.5 746.6 833.0 111.6 49.1 237.3 180.4 0426 1800 51.7 746.7 835.0 111.8 48.6 238.1 180.2 0426 1900 51.7 746.8 838.0 112.2 48.7 238.8 180.0 0426 2000 51.8 747.0 843.0 112.9 49.0 237.3 179.9 0426 2100 51.8 747.6 844.0 112.9 48.6 236.7 179.5 0426 2200 52.3 748.1 845.0 113.0 48.7 235.7 179.2 0426 2300 52.3 748.1 846.0 113.1 48.4 236.4 178.8 0427 0000 52.2 748.4 846.0 113.0 48.7 234.8 177.2 0427 0100 52.3 748.7 846.0 113.0 48.5 228.1 170.5 0427 0200 52.2 748.7 846.0 113.0 48.3 227.9 170.3 0427 0300 52.0 749.0 845.0 112.8 48.5 227.7 170.2 0427 0400 51.8 749.2 844.0 112.7 49.1 227.9 170.1 0427 0500 51.9 749.6 843.0 112.5 48.9 228.0 170.1 0427 0600 52.0 749.7 843.0 112.4 48.4 227.7 170.1 0427 0700 51.8 750.1 842.0 112.3 49.0 227.7 170.1 0427 0800 51.7 750.4 841.0 112.1 49.2 227.8 170.2 0427 0900 + + + + + 227.3 170.3 TOTAL DISSOLVED GAS REPORT FOR McNARY TAILWATER starting at 0900 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0900 51.7 749.8 919.0 122.6 19.1 237.3 180.2 0426 1000 51.7 749.6 920.0 122.7 19.0 237.5 180.2 0426 1100 51.7 749.5 920.0 122.7 19.0 237.3 180.3 0426 1200 51.6 749.4 920.0 122.8 19.0 237.7 180.4 0426 1300 51.6 749.1 920.0 122.8 19.0 237.7 180.4 0426 1400 51.7 748.8 920.0 122.9 19.0 237.2 180.4 0426 1500 51.7 748.8 919.0 122.7 19.0 238.9 180.4 0426 1600 51.8 748.7 919.0 122.7 18.9 237.4 180.5 0426 1700 51.8 748.8 918.0 122.6 19.0 237.3 180.4 0426 1800 51.8 748.9 918.0 122.6 19.1 238.1 180.2 0426 1900 51.8 749.0 917.0 122.4 19.1 238.8 180.0 0426 2000 51.9 749.3 917.0 122.4 19.2 237.3 179.9 0426 2100 51.9 749.8 917.0 122.3 19.1 236.7 179.5 0426 2200 52.0 750.3 917.0 122.2 19.0 235.7 179.2 0426 2300 52.0 750.4 918.0 122.3 19.1 236.4 178.8 0427 0000 52.1 750.6 918.0 122.3 19.0 234.8 177.2 0427 0100 52.0 750.9 918.0 122.3 19.0 228.1 170.5 0427 0200 52.0 751.0 917.0 122.1 19.1 227.9 170.3 0427 0300 52.0 751.3 917.0 122.1 19.0 227.7 170.2 0427 0400 51.9 751.5 917.0 122.0 19.2 227.9 170.1 0427 0500 51.9 751.9 917.0 122.0 19.0 228.0 170.1 0427 0600 51.8 752.0 917.0 121.9 19.1 227.7 170.1 0427 0700 51.8 752.4 918.0 122.0 19.0 227.7 170.1 0427 0800 51.7 752.7 918.0 122.0 19.1 227.8 170.2 0427 0900 + + + + + 227.3 170.3 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY (Wingwall) starting at 0900 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0900 52.0 750.0 823.0 109.7 30.4 241.5 179.0 0426 1000 51.9 750.0 823.0 109.7 31.3 241.2 179.0 0426 1100 52.0 750.0 823.0 109.7 31.8 241.4 179.0 0426 1200 52.1 749.0 822.0 109.7 31.4 241.6 179.0 0426 1300 52.0 749.0 822.0 109.7 31.4 241.3 179.0 0426 1400 52.1 749.0 823.0 109.9 31.7 242.7 179.0 0426 1500 52.2 748.0 824.0 110.2 31.8 241.4 179.0 0426 1600 51.9 748.0 823.0 110.0 31.7 242.7 179.0 0426 1700 52.1 748.0 824.0 110.2 31.8 241.9 179.0 0426 1800 51.9 748.0 823.0 110.0 31.5 241.3 179.0 0426 1900 51.9 749.0 822.0 109.7 31.8 243.6 179.0 0426 2000 51.9 749.0 822.0 109.7 31.2 240.8 179.0 0426 2100 51.9 750.0 822.0 109.6 31.0 240.8 179.0 0426 2200 51.8 750.0 822.0 109.6 31.8 241.5 179.0 0426 2300 51.7 751.0 822.0 109.5 31.3 241.4 178.9 0427 0000 51.7 751.0 822.0 109.5 31.3 241.0 178.9 0427 0100 51.8 752.0 823.0 109.4 31.8 242.1 178.9 0427 0200 51.9 752.0 824.0 109.6 31.5 240.6 178.9 0427 0300 51.9 752.0 825.0 109.7 29.9 240.6 178.9 0427 0400 52.0 752.0 826.0 109.8 31.3 241.5 178.9 0427 0500 52.0 752.0 829.0 110.2 30.8 243.0 178.9 0427 0600 52.0 752.0 829.0 110.2 31.7 240.9 178.9 0427 0700 52.1 753.0 832.0 110.5 30.3 241.2 178.9 0427 0800 52.0 753.0 834.0 110.8 30.8 241.0 178.9 0427 0900 + + + + + 240.5 178.9 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY TAILWATER starting at 0900 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0900 52.1 752.0 899.0 119.5 14.7 241.5 179.0 0426 1000 52.2 752.0 900.0 119.7 14.8 241.2 179.0 0426 1100 52.2 752.0 900.0 119.7 15.0 241.4 179.0 0426 1200 52.3 752.0 900.0 119.7 15.0 241.6 179.0 0426 1300 52.3 751.0 900.0 119.8 15.2 241.3 179.0 0426 1400 52.3 751.0 900.0 119.8 15.3 242.7 179.0 0426 1500 52.3 751.0 902.0 120.1 15.4 241.4 179.0 0426 1600 52.3 751.0 902.0 120.1 15.4 242.7 179.0 0426 1700 52.2 751.0 903.0 120.2 15.6 241.9 179.0 0426 1800 52.2 751.0 903.0 120.2 15.7 241.3 179.0 0426 1900 52.2 751.0 904.0 120.4 15.9 243.6 179.0 0426 2000 52.1 751.0 903.0 120.2 15.6 240.8 179.0 0426 2100 52.1 752.0 902.0 119.9 15.6 240.8 179.0 0426 2200 52.1 753.0 901.0 119.7 15.6 241.5 179.0 0426 2300 52.1 753.0 901.0 119.7 15.5 241.4 178.9 0427 0000 52.1 753.0 906.0 120.3 15.4 241.0 178.9 0427 0100 52.1 754.0 906.0 120.2 15.5 242.1 178.9 0427 0200 52.1 754.0 904.0 119.9 15.5 240.6 178.9 0427 0300 52.1 754.0 905.0 120.0 15.9 240.6 178.9 0427 0400 52.1 754.0 906.0 120.2 15.8 241.5 178.9 0427 0500 52.2 755.0 906.0 120.0 16.0 243.0 178.9 0427 0600 52.2 755.0 906.0 120.0 15.9 240.9 178.9 0427 0700 52.2 755.0 906.0 120.0 15.8 241.2 178.9 0427 0800 52.2 756.0 907.0 120.0 15.9 241.0 178.9 0427 0900 + + + + + 240.5 178.9 TOTAL DISSOLVED GAS REPORT FOR THE DALLES starting at 0900 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0900 52.3 753.0 914.0 121.4 14.2 216.7 94.0 0426 1000 52.4 752.0 913.0 121.4 14.8 215.8 94.0 0426 1100 52.2 752.0 913.0 121.4 14.9 215.8 94.0 0426 1200 52.3 752.0 914.0 121.5 14.8 215.1 94.0 0426 1300 52.5 751.0 915.0 121.8 15.0 215.0 94.0 0426 1400 52.4 751.0 915.0 121.8 15.3 213.4 94.0 0426 1500 52.5 751.0 916.0 122.0 15.4 216.0 94.0 0426 1600 52.6 751.0 916.0 122.0 15.6 211.6 94.0 0426 1700 52.7 751.0 915.0 121.8 15.8 211.8 94.0 0426 1800 52.7 751.0 914.0 121.7 15.9 213.2 94.0 0426 1900 52.6 751.0 912.0 121.4 14.7 240.5 94.0 0426 2000 52.7 752.0 911.0 121.1 15.1 239.3 94.0 0426 2100 52.7 753.0 910.0 120.8 14.5 239.8 94.0 0426 2200 52.7 753.0 911.0 121.0 15.0 241.5 94.0 0426 2300 52.7 754.0 909.0 120.6 14.7 240.9 94.0 0427 0000 52.7 754.0 910.0 120.7 15.7 223.3 94.0 0427 0100 52.7 754.0 908.0 120.4 15.5 214.9 90.1 0427 0200 52.8 754.0 908.0 120.4 15.6 215.8 90.0 0427 0300 52.8 755.0 908.0 120.3 15.3 215.1 90.0 0427 0400 52.8 755.0 906.0 120.0 16.0 215.6 90.0 0427 0500 52.7 755.0 904.0 119.7 15.9 239.5 90.0 0427 0600 52.6 756.0 903.0 119.4 15.5 238.1 90.0 0427 0700 52.6 756.0 900.0 119.0 15.6 239.3 90.0 0427 0800 52.5 756.0 898.0 118.8 16.0 238.8 90.0 0427 0900 + + + + + 201.3 90.0 TOTAL DISSOLVED GAS REPORT FOR 1 MILE DOWNSTREAM OF THE DALLES starting at 0900 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0900 52.4 754.0 925.0 122.7 9.6 216.7 94.0 0426 1000 52.4 753.0 927.0 123.1 9.7 215.8 94.0 0426 1100 52.5 753.0 928.0 123.2 9.7 215.8 94.0 0426 1200 52.5 753.0 928.0 123.2 9.6 215.1 94.0 0426 1300 52.6 752.0 928.0 123.4 9.7 215.0 94.0 0426 1400 52.6 752.0 928.0 123.4 9.5 213.4 94.0 0426 1500 52.6 752.0 928.0 123.4 9.5 216.0 94.0 0426 1600 52.7 752.0 927.0 123.3 9.4 211.6 94.0 0426 1700 52.7 752.0 926.0 123.1 9.5 211.8 94.0 0426 1800 52.7 752.0 925.0 123.0 9.5 213.2 94.0 0426 1900 52.7 752.0 924.0 122.9 9.8 240.5 94.0 0426 2000 52.7 753.0 922.0 122.4 9.7 239.3 94.0 0426 2100 52.6 753.0 921.0 122.3 9.8 239.8 94.0 0426 2200 52.6 754.0 920.0 122.0 9.8 241.5 94.0 0426 2300 52.6 755.0 918.0 121.6 9.9 240.9 94.0 0427 0000 52.6 755.0 919.0 121.7 9.6 223.3 94.0 0427 0100 52.6 755.0 920.0 121.9 9.5 214.9 90.1 0427 0200 52.6 755.0 920.0 121.9 9.5 215.8 90.0 0427 0300 52.7 755.0 919.0 121.7 9.5 215.1 90.0 0427 0400 52.7 756.0 920.0 121.7 9.6 215.6 90.0 0427 0500 52.7 756.0 920.0 121.7 10.0 239.5 90.0 0427 0600 52.7 757.0 919.0 121.4 10.0 238.1 90.0 0427 0700 52.7 757.0 917.0 121.1 9.9 239.3 90.0 0427 0800 52.6 758.0 915.0 120.7 10.1 238.8 90.0 0427 0900 + + + + + 201.3 90.0 TOTAL DISSOLVED GAS REPORT FOR BONNEVILLE starting at 0900 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0900 52.2 753.0 921.0 122.3 11.3 224.5 152.0 0426 1000 52.2 753.0 921.0 122.3 11.8 224.2 152.1 0426 1100 52.3 753.0 922.0 122.4 9.4 224.1 151.8 0426 1200 52.4 752.0 924.0 122.9 11.6 224.2 151.7 0426 1300 52.5 752.0 924.0 122.9 9.6 224.4 151.7 0426 1400 52.6 752.0 925.0 123.0 11.5 224.4 151.7 0426 1500 52.7 752.0 925.0 123.0 11.4 223.9 151.5 0426 1600 52.7 752.0 924.0 122.9 10.6 223.6 151.5 0426 1700 52.8 752.0 923.0 122.7 10.7 223.6 151.5 0426 1800 52.8 752.0 922.0 122.6 10.3 224.4 151.5 0426 1900 52.8 752.0 921.0 122.5 11.0 244.5 151.0 0426 2000 52.7 753.0 920.0 122.2 10.4 244.9 150.9 0426 2100 52.6 754.0 919.0 121.9 10.5 245.1 151.2 0426 2200 52.6 754.0 919.0 121.9 13.4 245.2 151.2 0426 2300 52.6 755.0 918.0 121.6 10.0 245.4 151.2 0427 0000 52.5 755.0 917.0 121.5 9.3 245.4 151.2 0427 0100 52.5 756.0 915.0 121.0 11.1 244.9 151.2 0427 0200 52.5 756.0 913.0 120.8 11.1 225.2 151.5 0427 0300 52.5 756.0 911.0 120.5 9.4 222.9 151.4 0427 0400 52.5 757.0 909.0 120.1 9.8 223.1 151.4 0427 0500 52.5 757.0 907.0 119.8 11.6 223.7 151.3 0427 0600 52.5 758.0 904.0 119.3 10.0 244.1 150.8 0427 0700 52.6 758.0 903.0 119.1 11.0 245.0 151.0 0427 0800 52.6 758.0 902.0 119.0 9.7 245.0 151.0 0427 0900 + + + + + 244.6 151.0 TOTAL DISSOLVED GAS REPORT FOR WARRENDALE starting at 0900 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0900 52.2 757.0 929.0 122.7 7.7 224.5 152.0 0426 1000 52.3 757.0 931.0 123.0 7.7 224.2 152.1 0426 1100 52.4 757.0 933.0 123.2 7.7 224.1 151.8 0426 1200 52.6 757.0 933.0 123.2 7.7 224.2 151.7 0426 1300 52.8 757.0 935.0 123.5 7.7 224.4 151.7 0426 1400 52.7 756.0 934.0 123.5 7.7 224.4 151.7 0426 1500 53.0 756.0 935.0 123.7 7.7 223.9 151.5 0426 1600 52.9 756.0 933.0 123.4 7.7 223.6 151.5 0426 1700 53.0 756.0 933.0 123.4 7.7 223.6 151.5 0426 1800 53.1 756.0 931.0 123.1 7.7 224.4 151.5 0426 1900 53.0 757.0 931.0 123.0 7.7 244.5 151.0 0426 2000 53.0 757.0 930.0 122.9 7.7 244.9 150.9 0426 2100 53.0 758.0 930.0 122.7 7.7 245.1 151.2 0426 2200 52.8 759.0 929.0 122.4 7.8 245.2 151.2 0426 2300 52.8 759.0 929.0 122.4 7.8 245.4 151.2 0427 0000 52.8 760.0 929.0 122.2 7.8 245.4 151.2 0427 0100 52.7 760.0 929.0 122.2 7.8 244.9 151.2 0427 0200 52.7 761.0 930.0 122.2 7.9 225.2 151.5 0427 0300 52.6 761.0 928.0 121.9 7.8 222.9 151.4 0427 0400 52.6 761.0 928.0 121.9 7.9 223.1 151.4 0427 0500 52.6 762.0 928.0 121.8 7.9 223.7 151.3 0427 0600 52.6 762.0 928.0 121.8 7.9 244.1 150.8 0427 0700 52.6 762.0 930.0 122.0 7.9 245.0 151.0 0427 0800 52.6 763.0 930.0 121.9 7.9 245.0 151.0 0427 0900 + + + + + 244.6 151.0 TOTAL DISSOLVED GAS REPORT FOR CAMAS/WASHOUGAL starting at 0900 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0900 + + + + + 224.5 152.0 0426 1000 + + + + + 224.2 152.1 0426 1100 + + + + + 224.1 151.8 0426 1200 + + + + + 224.2 151.7 0426 1300 + + + + + 224.4 151.7 0426 1400 + + + + + 224.4 151.7 0426 1500 + + + + + 223.9 151.5 0426 1600 + + + + + 223.6 151.5 0426 1700 + + + + + 223.6 151.5 0426 1800 + + + + + 224.4 151.5 0426 1900 + + + + + 244.5 151.0 0426 2000 + + + + + 244.9 150.9 0426 2100 + + + + + 245.1 151.2 0426 2200 + + + + + 245.2 151.2 0426 2300 + + + + + 245.4 151.2 0427 0000 + + + + + 245.4 151.2 0427 0100 + + + + + 244.9 151.2 0427 0200 + + + + + 225.2 151.5 0427 0300 + + + + + 222.9 151.4 0427 0400 + + + + + 223.1 151.4 0427 0500 + + + + + 223.7 151.3 0427 0600 + + + + + 244.1 150.8 0427 0700 + + + + + 245.0 151.0 0427 0800 + + + + + 245.0 151.0 0427 0900 + + + + + 244.6 151.0 TOTAL DISSOLVED GAS REPORT FOR CASCADE ISLAND, WA starting at 0900 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0900 52.1 755.0 918.0 121.6 29.6 224.5 152.0 0426 1000 52.2 755.0 920.0 121.9 29.3 224.2 152.1 0426 1100 52.2 755.0 919.0 121.7 29.5 224.1 151.8 0426 1200 52.3 755.0 916.0 121.3 29.4 224.2 151.7 0426 1300 52.4 755.0 918.0 121.6 29.5 224.4 151.7 0426 1400 52.5 755.0 918.0 121.6 29.5 224.4 151.7 0426 1500 52.6 755.0 916.0 121.3 29.3 223.9 151.5 0426 1600 52.7 754.0 918.0 121.8 29.3 223.6 151.5 0426 1700 52.7 754.0 918.0 121.8 29.2 223.6 151.5 0426 1800 52.7 754.0 916.0 121.5 29.4 224.4 151.5 0426 1900 52.7 755.0 920.0 121.9 30.2 244.5 151.0 0426 2000 52.6 755.0 917.0 121.5 30.1 244.9 150.9 0426 2100 52.6 756.0 917.0 121.3 30.0 245.1 151.2 0426 2200 52.5 757.0 919.0 121.4 30.3 245.2 151.2 0426 2300 52.5 757.0 918.0 121.3 30.6 245.4 151.2 0427 0000 52.5 758.0 919.0 121.2 30.5 245.4 151.2 0427 0100 52.4 758.0 919.0 121.2 30.2 244.9 151.2 0427 0200 52.4 759.0 921.0 121.3 29.5 225.2 151.5 0427 0300 52.4 759.0 922.0 121.5 29.5 222.9 151.4 0427 0400 52.4 759.0 922.0 121.5 29.5 223.1 151.4 0427 0500 52.4 760.0 923.0 121.4 29.8 223.7 151.3 0427 0600 52.4 760.0 926.0 121.8 30.6 244.1 150.8 0427 0700 52.5 761.0 921.0 121.0 30.5 245.0 151.0 0427 0800 52.5 761.0 921.0 121.0 30.5 245.0 151.0 0427 0900 + + + + + 244.6 151.0