TOTAL DISSOLVED GAS REPORT FOR PASCO, WA starting at 0200 30 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 51.4 756.4 825.0 109.1 16.5 + + 0430 0700 51.3 756.8 823.0 108.7 16.5 + + 0430 0800 51.2 757.1 821.0 108.4 16.6 + + 0430 0900 51.3 756.9 820.0 108.3 16.6 + + 0430 1000 51.3 756.5 820.0 108.4 16.7 + + 0430 1100 51.4 756.2 822.0 108.7 16.6 + + 0430 1200 51.5 755.5 824.0 109.1 16.6 + + 0430 1300 51.6 754.8 826.0 109.4 16.6 + + 0430 1400 51.9 754.1 830.0 110.1 16.6 + + 0430 1500 52.1 753.5 832.0 110.4 16.6 + + 0430 1600 52.1 753.0 835.0 110.9 16.5 + + 0430 1700 52.1 752.5 837.0 111.2 16.6 + + 0430 1800 52.3 752.1 840.0 111.7 16.6 + + 0430 1900 52.3 752.0 840.0 111.7 16.6 + + 0430 2000 52.2 751.9 840.0 111.7 16.6 + + 0430 2100 52.1 752.2 839.0 111.5 16.7 + + 0430 2200 52.0 752.6 838.0 111.3 16.6 + + 0430 2300 52.0 752.6 837.0 111.2 16.6 + + 0501 0000 51.9 752.7 837.0 111.2 16.6 + + 0501 0100 51.9 752.9 838.0 111.3 16.6 + + 0501 0200 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR McNARY WASHINGTON SIDE starting at 0200 30 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 52.4 756.3 833.0 110.1 48.6 214.7 156.4 0430 0700 52.4 756.7 833.0 110.1 48.6 214.9 156.6 0430 0800 52.3 756.9 833.0 110.1 48.8 215.5 156.8 0430 0900 52.4 756.7 833.0 110.1 48.6 216.6 158.1 0430 1000 52.4 756.3 833.0 110.1 48.4 222.5 165.1 0430 1100 52.1 755.9 834.0 110.3 48.7 223.6 166.0 0430 1200 52.2 755.3 834.0 110.4 48.6 224.2 166.5 0430 1300 51.8 754.7 832.0 110.2 48.7 224.8 166.6 0430 1400 51.9 754.2 832.0 110.3 48.6 224.5 166.7 0430 1500 51.9 753.6 832.0 110.4 48.3 224.7 166.6 0430 1600 52.2 753.0 834.0 110.8 48.4 224.4 166.6 0430 1700 52.5 752.4 835.0 111.0 48.2 224.4 166.7 0430 1800 52.9 752.2 839.0 111.5 48.1 225.4 166.7 0430 1900 52.4 752.0 837.0 111.3 48.5 225.3 166.7 0430 2000 52.4 751.9 837.0 111.3 48.1 224.8 167.7 0430 2100 52.6 752.0 838.0 111.4 47.8 245.4 187.6 0430 2200 53.0 752.5 840.0 111.6 47.8 246.7 187.9 0430 2300 52.8 752.6 839.0 111.5 47.5 246.6 187.9 0501 0000 53.4 752.6 843.0 112.0 47.4 246.6 187.5 0501 0100 53.1 752.8 843.0 112.0 48.0 246.6 188.1 0501 0200 + + + + + 247.7 187.9 TOTAL DISSOLVED GAS REPORT FOR McNARY TAILWATER starting at 0200 30 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 52.4 758.6 918.0 121.0 19.2 214.7 156.4 0430 0700 52.4 759.0 918.0 120.9 19.1 214.9 156.6 0430 0800 52.5 759.2 920.0 121.2 19.1 215.5 156.8 0430 0900 52.5 758.9 921.0 121.4 19.2 216.6 158.1 0430 1000 52.6 758.5 923.0 121.7 19.2 222.5 165.1 0430 1100 52.7 758.1 925.0 122.0 19.3 223.6 166.0 0430 1200 52.6 757.5 926.0 122.2 19.2 224.2 166.5 0430 1300 52.6 756.9 926.0 122.3 19.2 224.8 166.6 0430 1400 52.5 756.4 926.0 122.4 19.0 224.5 166.7 0430 1500 52.6 755.8 925.0 122.4 19.1 224.7 166.6 0430 1600 52.6 755.1 923.0 122.2 19.1 224.4 166.6 0430 1700 52.7 754.6 922.0 122.2 19.1 224.4 166.7 0430 1800 52.8 754.4 920.0 122.0 19.1 225.4 166.7 0430 1900 52.8 754.3 919.0 121.8 19.1 225.3 166.7 0430 2000 52.7 754.2 920.0 122.0 19.1 224.8 167.7 0430 2100 52.8 754.4 921.0 122.1 19.5 245.4 187.6 0430 2200 52.8 754.8 926.0 122.7 19.4 246.7 187.9 0430 2300 52.8 754.8 926.0 122.7 19.4 246.6 187.9 0501 0000 53.0 754.9 924.0 122.4 19.3 246.6 187.5 0501 0100 53.0 755.1 927.0 122.8 19.4 246.6 188.1 0501 0200 + + + + + 247.7 187.9 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY (Wingwall) starting at 0200 30 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 52.8 759.0 881.0 116.1 32.2 229.5 167.5 0430 0700 52.9 760.0 880.0 115.8 32.2 229.8 167.5 0430 0800 52.9 760.0 881.0 115.9 32.2 229.4 167.7 0430 0900 52.9 759.0 879.0 115.8 31.9 232.2 167.4 0430 1000 52.9 759.0 879.0 115.8 31.3 219.2 156.9 0430 1100 53.1 759.0 878.0 115.7 30.9 230.6 168.0 0430 1200 53.2 758.0 879.0 116.0 32.0 229.7 167.5 0430 1300 53.0 757.0 880.0 116.2 31.2 232.3 168.0 0430 1400 53.1 757.0 881.0 116.4 32.0 230.1 168.0 0430 1500 53.0 756.0 882.0 116.7 32.1 230.1 168.0 0430 1600 53.1 756.0 882.0 116.7 32.0 230.4 168.0 0430 1700 53.3 755.0 884.0 117.1 32.0 232.0 168.0 0430 1800 53.4 755.0 884.0 117.1 32.1 231.0 168.0 0430 1900 53.4 755.0 884.0 117.1 32.0 245.0 182.2 0430 2000 53.7 755.0 887.0 117.5 32.0 265.0 203.2 0430 2100 53.4 755.0 885.0 117.2 31.8 266.1 203.1 0430 2200 53.2 755.0 885.0 117.2 32.0 267.8 203.1 0430 2300 53.8 755.0 887.0 117.5 31.5 266.5 203.1 0501 0000 53.3 756.0 885.0 117.1 31.4 267.0 203.1 0501 0100 53.5 756.0 884.0 116.9 31.2 268.3 203.1 0501 0200 + + + + + 267.4 203.1 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY TAILWATER starting at 0200 30 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 52.9 762.0 908.0 119.2 15.6 229.5 167.5 0430 0700 53.0 762.0 907.0 119.0 15.7 229.8 167.5 0430 0800 53.0 762.0 907.0 119.0 15.7 229.4 167.7 0430 0900 53.1 762.0 905.0 118.8 15.7 232.2 167.4 0430 1000 53.2 761.0 905.0 118.9 15.4 219.2 156.9 0430 1100 53.2 761.0 903.0 118.7 15.5 230.6 168.0 0430 1200 53.3 760.0 903.0 118.8 15.4 229.7 167.5 0430 1300 53.4 759.0 902.0 118.8 15.4 232.3 168.0 0430 1400 53.4 759.0 902.0 118.8 15.3 230.1 168.0 0430 1500 53.4 758.0 904.0 119.3 15.4 230.1 168.0 0430 1600 53.4 758.0 902.0 119.0 15.3 230.4 168.0 0430 1700 53.5 757.0 900.0 118.9 15.4 232.0 168.0 0430 1800 53.6 757.0 898.0 118.6 15.4 231.0 168.0 0430 1900 53.5 757.0 906.0 119.7 15.9 245.0 182.2 0430 2000 53.4 757.0 920.0 121.5 16.0 265.0 203.2 0430 2100 53.4 757.0 923.0 121.9 16.0 266.1 203.1 0430 2200 53.5 758.0 921.0 121.5 15.9 267.8 203.1 0430 2300 53.5 758.0 923.0 121.8 15.9 266.5 203.1 0501 0000 53.6 758.0 922.0 121.6 15.9 267.0 203.1 0501 0100 53.5 758.0 923.0 121.8 15.7 268.3 203.1 0501 0200 + + + + + 267.4 203.1 TOTAL DISSOLVED GAS REPORT FOR THE DALLES starting at 0200 30 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 53.3 762.0 921.0 120.9 16.0 232.9 87.0 0430 0700 53.2 762.0 920.0 120.7 15.5 220.3 87.0 0430 0800 53.2 762.0 919.0 120.6 16.4 217.8 87.0 0430 0900 53.2 762.0 920.0 120.7 15.8 219.9 87.0 0430 1000 53.2 762.0 919.0 120.6 16.1 218.4 87.0 0430 1100 53.2 761.0 919.0 120.8 16.0 219.5 87.0 0430 1200 53.3 760.0 919.0 120.9 15.7 218.8 87.0 0430 1300 53.2 759.0 920.0 121.2 15.7 219.7 87.0 0430 1400 53.4 759.0 921.0 121.3 15.8 219.3 87.0 0430 1500 53.4 758.0 921.0 121.5 15.6 220.5 87.0 0430 1600 53.4 758.0 921.0 121.5 15.9 219.4 87.0 0430 1700 53.5 757.0 922.0 121.8 15.6 218.9 87.0 0430 1800 53.6 757.0 922.0 121.8 15.4 219.2 87.0 0430 1900 53.6 757.0 923.0 121.9 15.5 221.5 87.0 0430 2000 53.7 757.0 922.0 121.8 14.8 253.6 87.0 0430 2100 53.6 757.0 922.0 121.8 14.9 257.7 87.0 0430 2200 53.7 758.0 922.0 121.6 14.6 258.2 87.0 0430 2300 53.7 758.0 923.0 121.8 15.4 257.4 87.0 0501 0000 53.7 758.0 923.0 121.8 14.6 257.6 87.0 0501 0100 53.8 758.0 923.0 121.8 14.7 261.0 91.0 0501 0200 + + + + + 262.0 91.0 TOTAL DISSOLVED GAS REPORT FOR 1 MILE DOWNSTREAM OF THE DALLES starting at 0200 30 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 53.2 763.0 928.0 121.6 10.3 232.9 87.0 0430 0700 53.2 763.0 928.0 121.6 9.9 220.3 87.0 0430 0800 53.3 763.0 928.0 121.6 9.9 217.8 87.0 0430 0900 53.3 763.0 929.0 121.8 10.1 219.9 87.0 0430 1000 53.3 762.0 931.0 122.2 9.8 218.4 87.0 0430 1100 53.3 762.0 931.0 122.2 9.8 219.5 87.0 0430 1200 53.4 761.0 931.0 122.3 9.6 218.8 87.0 0430 1300 53.4 760.0 931.0 122.5 9.6 219.7 87.0 0430 1400 53.5 760.0 931.0 122.5 9.7 219.3 87.0 0430 1500 53.5 759.0 931.0 122.7 9.6 220.5 87.0 0430 1600 53.5 759.0 930.0 122.5 9.6 219.4 87.0 0430 1700 53.5 758.0 930.0 122.7 9.6 218.9 87.0 0430 1800 53.5 758.0 929.0 122.6 9.4 219.2 87.0 0430 1900 53.5 758.0 929.0 122.6 9.6 221.5 87.0 0430 2000 53.5 758.0 928.0 122.4 9.9 253.6 87.0 0430 2100 53.5 758.0 927.0 122.3 10.0 257.7 87.0 0430 2200 53.5 759.0 925.0 121.9 10.0 258.2 87.0 0430 2300 53.6 759.0 925.0 121.9 10.0 257.4 87.0 0501 0000 53.6 759.0 926.0 122.0 9.9 257.6 87.0 0501 0100 53.6 759.0 926.0 122.0 10.2 261.0 91.0 0501 0200 + + + + + 262.0 91.0 TOTAL DISSOLVED GAS REPORT FOR BONNEVILLE starting at 0200 30 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 53.0 761.0 893.0 117.3 12.5 248.8 150.3 0430 0700 53.0 761.0 893.0 117.3 11.3 232.0 150.8 0430 0800 53.0 761.0 893.0 117.3 11.4 231.2 150.9 0430 0900 53.1 760.0 892.0 117.4 10.6 231.4 150.7 0430 1000 53.1 760.0 891.0 117.2 12.0 230.7 150.6 0430 1100 53.2 760.0 890.0 117.1 11.2 231.3 150.6 0430 1200 53.3 759.0 890.0 117.3 11.7 230.7 150.5 0430 1300 53.3 758.0 889.0 117.3 11.7 231.0 150.4 0430 1400 53.5 758.0 889.0 117.3 9.9 230.3 150.4 0430 1500 53.6 758.0 891.0 117.5 11.5 230.7 150.3 0430 1600 53.7 757.0 892.0 117.8 11.1 230.5 150.3 0430 1700 53.7 757.0 892.0 117.8 10.2 230.6 150.3 0430 1800 53.8 756.0 894.0 118.3 11.4 230.5 150.2 0430 1900 53.8 756.0 896.0 118.5 11.3 231.5 150.2 0430 2000 53.7 756.0 897.0 118.7 11.3 248.3 149.7 0430 2100 53.7 756.0 899.0 118.9 9.9 271.9 148.9 0430 2200 53.7 757.0 900.0 118.9 11.6 270.6 149.2 0430 2300 53.6 757.0 902.0 119.2 10.2 270.2 149.2 0501 0000 53.6 757.0 903.0 119.3 9.8 270.6 149.2 0501 0100 53.5 757.0 905.0 119.6 10.2 269.6 149.2 0501 0200 + + + + + 272.2 149.1 TOTAL DISSOLVED GAS REPORT FOR WARRENDALE starting at 0200 30 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 53.2 765.0 928.0 121.3 8.0 248.8 150.3 0430 0700 53.1 765.0 927.0 121.2 8.0 232.0 150.8 0430 0800 53.1 765.0 926.0 121.0 8.0 231.2 150.9 0430 0900 53.2 764.0 926.0 121.2 8.0 231.4 150.7 0430 1000 53.3 764.0 927.0 121.3 8.0 230.7 150.6 0430 1100 53.3 763.0 929.0 121.8 8.0 231.3 150.6 0430 1200 53.5 763.0 930.0 121.9 7.9 230.7 150.5 0430 1300 53.6 763.0 932.0 122.1 7.9 231.0 150.4 0430 1400 53.6 762.0 931.0 122.2 7.9 230.3 150.4 0430 1500 53.8 762.0 931.0 122.2 7.9 230.7 150.3 0430 1600 53.9 761.0 931.0 122.3 7.9 230.5 150.3 0430 1700 53.9 761.0 931.0 122.3 7.8 230.6 150.3 0430 1800 54.0 760.0 930.0 122.4 7.8 230.5 150.2 0430 1900 54.0 760.0 929.0 122.2 7.8 231.5 150.2 0430 2000 54.0 760.0 928.0 122.1 7.8 248.3 149.7 0430 2100 54.0 760.0 926.0 121.8 7.8 271.9 148.9 0430 2200 53.9 761.0 925.0 121.6 7.8 270.6 149.2 0430 2300 53.9 761.0 924.0 121.4 7.8 270.2 149.2 0501 0000 53.8 761.0 924.0 121.4 7.9 270.6 149.2 0501 0100 53.7 761.0 923.0 121.3 7.9 269.6 149.2 0501 0200 + + + + + 272.2 149.1 TOTAL DISSOLVED GAS REPORT FOR CAMAS/WASHOUGAL starting at 0200 30 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 + + + + + 248.8 150.3 0430 0700 + + + + + 232.0 150.8 0430 0800 + + + + + 231.2 150.9 0430 0900 + + + + + 231.4 150.7 0430 1000 + + + + + 230.7 150.6 0430 1100 + + + + + 231.3 150.6 0430 1200 + + + + + 230.7 150.5 0430 1300 + + + + + 231.0 150.4 0430 1400 + + + + + 230.3 150.4 0430 1500 + + + + + 230.7 150.3 0430 1600 + + + + + 230.5 150.3 0430 1700 + + + + + 230.6 150.3 0430 1800 + + + + + 230.5 150.2 0430 1900 + + + + + 231.5 150.2 0430 2000 + + + + + 248.3 149.7 0430 2100 + + + + + 271.9 148.9 0430 2200 + + + + + 270.6 149.2 0430 2300 + + + + + 270.2 149.2 0501 0000 + + + + + 270.6 149.2 0501 0100 + + + + + 269.6 149.2 0501 0200 + + + + + 272.2 149.1 TOTAL DISSOLVED GAS REPORT FOR CASCADE ISLAND, WA starting at 0200 30 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 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 53.0 763.0 927.0 121.5 30.4 248.8 150.3 0430 0700 53.0 763.0 926.0 121.4 29.9 232.0 150.8 0430 0800 53.0 763.0 926.0 121.4 29.9 231.2 150.9 0430 0900 53.0 763.0 926.0 121.4 29.7 231.4 150.7 0430 1000 53.0 763.0 925.0 121.2 29.9 230.7 150.6 0430 1100 53.1 762.0 923.0 121.1 29.7 231.3 150.6 0430 1200 53.2 762.0 924.0 121.3 29.7 230.7 150.5 0430 1300 53.3 761.0 924.0 121.4 29.9 231.0 150.4 0430 1400 53.4 761.0 922.0 121.2 29.8 230.3 150.4 0430 1500 53.5 760.0 922.0 121.3 29.7 230.7 150.3 0430 1600 53.6 760.0 923.0 121.4 29.7 230.5 150.3 0430 1700 53.7 759.0 922.0 121.5 29.7 230.6 150.3 0430 1800 53.7 759.0 922.0 121.5 29.6 230.5 150.2 0430 1900 53.7 759.0 921.0 121.3 29.7 231.5 150.2 0430 2000 53.7 759.0 922.0 121.5 30.4 248.3 149.7 0430 2100 53.6 759.0 922.0 121.5 31.5 271.9 148.9 0430 2200 53.6 760.0 922.0 121.3 31.3 270.6 149.2 0430 2300 53.5 760.0 923.0 121.4 31.6 270.2 149.2 0501 0000 53.5 760.0 923.0 121.4 31.5 270.6 149.2 0501 0100 53.5 760.0 923.0 121.4 31.5 269.6 149.2 0501 0200 + + + + + 272.2 149.1