TOTAL DISSOLVED GAS REPORT FOR PASCO, WA starting at 0000 27 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 50.2 750.3 813.0 108.4 16.6 + + 0427 1000 50.2 750.6 813.0 108.3 16.6 + + 0427 1100 50.4 750.5 816.0 108.7 16.7 + + 0427 1200 50.5 750.3 822.0 109.6 16.6 + + 0427 1300 50.7 749.8 826.0 110.2 16.6 + + 0427 1400 50.9 749.5 829.0 110.6 16.5 + + 0427 1500 51.0 749.2 831.0 110.9 16.5 + + 0427 1600 51.1 748.9 833.0 111.2 16.5 + + 0427 1700 51.2 748.9 833.0 111.2 16.4 + + 0427 1800 51.3 748.9 835.0 111.5 16.4 + + 0427 1900 51.3 749.2 835.0 111.5 16.3 + + 0427 2000 51.2 749.4 833.0 111.2 16.3 + + 0427 2100 51.1 749.8 830.0 110.7 16.2 + + 0427 2200 51.0 750.7 828.0 110.3 16.2 + + 0427 2300 51.0 751.3 826.0 109.9 16.2 + + TOTAL DISSOLVED GAS REPORT FOR McNARY WASHINGTON SIDE starting at 0000 27 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 51.6 750.8 840.0 111.9 49.2 227.3 170.3 0427 1000 51.5 750.8 839.0 111.7 49.2 227.7 170.3 0427 1100 51.5 750.6 838.0 111.6 49.4 229.0 170.1 0427 1200 51.4 750.5 836.0 111.4 49.4 229.4 170.3 0427 1300 51.3 750.0 835.0 111.3 49.3 228.2 170.4 0427 1400 51.2 749.6 834.0 111.3 49.4 227.4 170.3 0427 1500 51.3 749.3 835.0 111.4 49.2 228.5 170.2 0427 1600 51.3 749.1 835.0 111.5 49.2 227.6 170.2 0427 1700 51.4 749.0 835.0 111.5 49.2 227.1 170.1 0427 1800 51.3 749.3 835.0 111.4 49.2 226.7 169.9 0427 1900 51.4 749.5 836.0 111.5 49.1 227.1 169.6 0427 2000 51.3 749.8 835.0 111.4 49.1 226.9 169.3 0427 2100 51.4 750.6 835.0 111.2 49.1 226.6 169.1 0427 2200 51.4 751.3 835.0 111.1 49.0 227.1 168.5 0427 2300 51.5 751.7 836.0 111.2 48.7 226.6 168.3 TOTAL DISSOLVED GAS REPORT FOR McNARY TAILWATER starting at 0000 27 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 51.7 753.0 914.0 121.4 19.1 227.3 170.3 0427 1000 51.7 753.1 921.0 122.3 19.2 227.7 170.3 0427 1100 51.7 752.9 923.0 122.6 19.1 229.0 170.1 0427 1200 51.7 752.7 924.0 122.8 19.1 229.4 170.3 0427 1300 51.7 752.2 924.0 122.8 19.0 228.2 170.4 0427 1400 51.6 751.9 923.0 122.8 19.1 227.4 170.3 0427 1500 51.6 751.6 923.0 122.8 19.1 228.5 170.2 0427 1600 51.6 751.4 924.0 123.0 19.1 227.6 170.2 0427 1700 51.6 751.4 922.0 122.7 19.0 227.1 170.1 0427 1800 51.5 751.7 921.0 122.5 19.2 226.7 169.9 0427 1900 51.5 751.8 921.0 122.5 19.1 227.1 169.6 0427 2000 51.5 752.2 920.0 122.3 19.1 226.9 169.3 0427 2100 51.4 752.9 920.0 122.2 19.3 226.6 169.1 0427 2200 51.4 753.5 921.0 122.2 19.3 227.1 168.5 0427 2300 51.5 754.0 922.0 122.3 19.3 226.6 168.3 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY (Wingwall) starting at 0000 27 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 51.9 753.0 836.0 111.0 31.2 240.5 178.9 0427 1000 51.9 754.0 836.0 110.9 31.4 240.7 176.9 0427 1100 51.9 753.0 837.0 111.2 31.7 245.1 169.2 0427 1200 52.0 753.0 839.0 111.4 31.5 234.0 169.2 0427 1300 52.0 753.0 842.0 111.8 32.1 233.0 169.2 0427 1400 52.0 753.0 842.0 111.8 30.8 231.8 169.2 0427 1500 52.0 753.0 847.0 112.5 31.6 231.0 169.2 0427 1600 52.1 753.0 849.0 112.7 32.0 231.1 169.2 0427 1700 52.1 753.0 852.0 113.1 31.9 231.7 169.4 0427 1800 52.1 753.0 852.0 113.1 31.9 240.2 178.1 0427 1900 52.1 754.0 851.0 112.9 31.6 241.0 178.1 0427 2000 52.1 754.0 853.0 113.1 30.7 240.6 178.1 0427 2100 52.1 755.0 855.0 113.2 31.9 242.8 178.1 0427 2200 52.1 755.0 851.0 112.7 32.0 241.1 178.1 0427 2300 52.1 756.0 857.0 113.4 31.9 241.0 178.1 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY TAILWATER starting at 0000 27 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 52.2 756.0 907.0 120.0 15.7 240.5 178.9 0427 1000 52.2 756.0 909.0 120.2 16.0 240.7 176.9 0427 1100 52.2 756.0 903.0 119.4 16.3 245.1 169.2 0427 1200 52.3 756.0 902.0 119.3 16.1 234.0 169.2 0427 1300 52.3 755.0 905.0 119.9 16.0 233.0 169.2 0427 1400 52.3 755.0 901.0 119.3 15.9 231.8 169.2 0427 1500 52.3 755.0 901.0 119.3 15.8 231.0 169.2 0427 1600 52.3 755.0 900.0 119.2 15.7 231.1 169.2 0427 1700 52.4 755.0 901.0 119.3 15.7 231.7 169.4 0427 1800 52.4 756.0 907.0 120.0 15.9 240.2 178.1 0427 1900 52.4 756.0 907.0 120.0 15.8 241.0 178.1 0427 2000 52.4 757.0 907.0 119.8 15.8 240.6 178.1 0427 2100 52.4 757.0 907.0 119.8 15.8 242.8 178.1 0427 2200 52.4 758.0 906.0 119.5 15.8 241.1 178.1 0427 2300 52.4 758.0 908.0 119.8 16.0 241.0 178.1 TOTAL DISSOLVED GAS REPORT FOR THE DALLES starting at 0000 27 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 52.4 757.0 897.0 118.5 16.7 201.3 90.0 0427 1000 52.4 757.0 896.0 118.4 16.5 198.8 90.0 0427 1100 52.4 757.0 896.0 118.4 15.7 225.1 90.0 0427 1200 52.5 757.0 895.0 118.2 15.9 235.8 90.0 0427 1300 52.5 756.0 896.0 118.5 16.0 231.3 90.0 0427 1400 52.6 756.0 894.0 118.3 15.7 230.9 90.0 0427 1500 52.7 756.0 894.0 118.3 15.8 231.3 90.0 0427 1600 52.6 756.0 894.0 118.3 14.5 229.2 90.0 0427 1700 52.6 757.0 892.0 117.8 15.5 231.7 90.0 0427 1800 52.6 757.0 890.0 117.6 15.2 229.4 90.0 0427 1900 52.7 758.0 888.0 117.2 16.0 231.4 90.0 0427 2000 52.6 758.0 887.0 117.0 15.6 229.0 90.0 0427 2100 52.7 758.0 886.0 116.9 16.3 228.5 90.0 0427 2200 52.7 759.0 885.0 116.6 15.3 212.0 90.0 0427 2300 52.7 759.0 884.0 116.5 15.8 210.2 90.0 TOTAL DISSOLVED GAS REPORT FOR 1 MILE DOWNSTREAM OF THE DALLES starting at 0000 27 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 52.6 758.0 915.0 120.7 9.6 201.3 90.0 0427 1000 52.6 758.0 914.0 120.6 9.6 198.8 90.0 0427 1100 52.6 758.0 918.0 121.1 9.8 225.1 90.0 0427 1200 52.6 758.0 916.0 120.8 9.8 235.8 90.0 0427 1300 52.6 757.0 916.0 121.0 9.7 231.3 90.0 0427 1400 52.6 757.0 916.0 121.0 9.9 230.9 90.0 0427 1500 52.6 757.0 917.0 121.1 10.0 231.3 90.0 0427 1600 52.7 757.0 916.0 121.0 10.0 229.2 90.0 0427 1700 52.7 757.0 915.0 120.9 10.1 231.7 90.0 0427 1800 52.6 758.0 913.0 120.4 10.3 229.4 90.0 0427 1900 52.6 759.0 911.0 120.0 10.2 231.4 90.0 0427 2000 52.6 759.0 910.0 119.9 10.1 229.0 90.0 0427 2100 52.6 759.0 909.0 119.8 10.0 228.5 90.0 0427 2200 52.6 760.0 909.0 119.6 9.7 212.0 90.0 0427 2300 52.6 760.0 908.0 119.5 9.6 210.2 90.0 TOTAL DISSOLVED GAS REPORT FOR BONNEVILLE starting at 0000 27 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 52.6 759.0 900.0 118.6 9.3 244.6 151.0 0427 1000 52.6 759.0 899.0 118.4 10.8 245.0 150.9 0427 1100 52.7 759.0 898.0 118.3 11.0 245.1 150.3 0427 1200 52.7 759.0 897.0 118.2 10.4 225.3 150.6 0427 1300 52.8 759.0 896.0 118.1 11.2 222.2 150.9 0427 1400 52.9 759.0 895.0 117.9 10.3 221.8 151.0 0427 1500 53.0 759.0 893.0 117.7 11.2 222.1 151.0 0427 1600 53.0 759.0 892.0 117.5 13.0 219.7 151.2 0427 1700 53.1 759.0 890.0 117.3 11.4 220.3 151.3 0427 1800 53.1 760.0 888.0 116.8 9.5 240.1 150.9 0427 1900 53.1 760.0 885.0 116.4 8.8 245.0 150.9 0427 2000 53.0 760.0 882.0 116.1 9.8 244.8 151.0 0427 2100 52.9 760.0 880.0 115.8 11.6 244.6 151.0 0427 2200 52.9 760.0 879.0 115.7 10.0 232.6 151.3 0427 2300 52.9 760.0 878.0 115.5 11.7 231.8 151.2 TOTAL DISSOLVED GAS REPORT FOR WARRENDALE starting at 0000 27 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 52.6 763.0 930.0 121.9 7.9 244.6 151.0 0427 1000 52.6 764.0 929.0 121.6 8.0 245.0 150.9 0427 1100 52.7 764.0 930.0 121.7 8.0 245.1 150.3 0427 1200 52.8 764.0 929.0 121.6 8.0 225.3 150.6 0427 1300 52.9 764.0 930.0 121.7 8.0 222.2 150.9 0427 1400 52.9 764.0 931.0 121.9 8.0 221.8 151.0 0427 1500 53.0 764.0 931.0 121.9 8.0 222.1 151.0 0427 1600 53.0 764.0 931.0 121.9 8.0 219.7 151.2 0427 1700 53.1 764.0 931.0 121.9 8.0 220.3 151.3 0427 1800 53.1 764.0 931.0 121.9 8.0 240.1 150.9 0427 1900 53.1 764.0 931.0 121.9 8.0 245.0 150.9 0427 2000 53.2 764.0 930.0 121.7 8.0 244.8 151.0 0427 2100 53.2 764.0 929.0 121.6 8.0 244.6 151.0 0427 2200 53.2 765.0 929.0 121.4 8.0 232.6 151.3 0427 2300 53.1 765.0 928.0 121.3 8.0 231.8 151.2 TOTAL DISSOLVED GAS REPORT FOR CAMAS/WASHOUGAL starting at 0000 27 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 0427 1000 + + + + + 245.0 150.9 0427 1100 + + + + + 245.1 150.3 0427 1200 + + + + + 225.3 150.6 0427 1300 + + + + + 222.2 150.9 0427 1400 + + + + + 221.8 151.0 0427 1500 + + + + + 222.1 151.0 0427 1600 + + + + + 219.7 151.2 0427 1700 + + + + + 220.3 151.3 0427 1800 + + + + + 240.1 150.9 0427 1900 + + + + + 245.0 150.9 0427 2000 + + + + + 244.8 151.0 0427 2100 + + + + + 244.6 151.0 0427 2200 + + + + + 232.6 151.3 0427 2300 + + + + + 231.8 151.2 TOTAL DISSOLVED GAS REPORT FOR CASCADE ISLAND, WA starting at 0000 27 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 52.5 762.0 923.0 121.1 30.4 244.6 151.0 0427 1000 52.6 762.0 922.0 121.0 30.6 245.0 150.9 0427 1100 52.6 762.0 923.0 121.1 30.6 245.1 150.3 0427 1200 52.7 762.0 922.0 121.0 29.9 225.3 150.6 0427 1300 52.7 762.0 921.0 120.9 29.8 222.2 150.9 0427 1400 52.8 762.0 920.0 120.7 29.6 221.8 151.0 0427 1500 52.9 762.0 923.0 121.1 29.4 222.1 151.0 0427 1600 53.0 762.0 923.0 121.1 29.6 219.7 151.2 0427 1700 53.0 762.0 923.0 121.1 29.7 220.3 151.3 0427 1800 53.0 762.0 923.0 121.1 30.5 240.1 150.9 0427 1900 53.0 762.0 922.0 121.0 30.4 245.0 150.9 0427 2000 52.9 762.0 922.0 121.0 30.6 244.8 151.0 0427 2100 52.8 763.0 923.0 121.0 30.4 244.6 151.0 0427 2200 52.8 763.0 921.0 120.7 30.1 232.6 151.3 0427 2300 52.8 763.0 921.0 120.7 30.0 231.8 151.2