TOTAL DISSOLVED GAS REPORT FOR PASCO, WA starting at 1200 25 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0425 1200 49.9 749.8 819.0 109.2 16.8 + + 0425 1300 50.1 749.2 821.0 109.6 16.8 + + 0425 1400 50.2 748.7 822.0 109.8 16.8 + + 0425 1500 50.5 748.3 824.0 110.1 16.7 + + 0425 1600 50.5 747.8 825.0 110.3 16.7 + + 0425 1700 50.6 747.3 826.0 110.5 16.7 + + 0425 1800 50.6 746.9 826.0 110.6 16.7 + + 0425 1900 50.5 746.6 826.0 110.6 16.6 + + 0425 2000 50.5 746.7 826.0 110.6 16.6 + + 0425 2100 50.5 746.7 825.0 110.5 16.6 + + 0425 2200 50.4 746.8 824.0 110.3 16.6 + + 0425 2300 50.3 746.6 823.0 110.2 16.6 + + 0426 0000 50.3 746.6 822.0 110.1 16.7 + + 0426 0100 50.2 746.7 821.0 110.0 16.7 + + 0426 0200 50.2 746.7 819.0 109.7 16.7 + + 0426 0300 50.1 746.4 818.0 109.6 16.7 + + 0426 0400 50.1 746.5 817.0 109.4 16.8 + + 0426 0500 50.0 746.6 816.0 109.3 16.9 + + 0426 0600 49.9 746.7 814.0 109.0 16.8 + + 0426 0700 49.8 747.2 813.0 108.8 16.9 + + 0426 0800 49.7 747.3 812.0 108.7 16.9 + + 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 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR McNARY WASHINGTON SIDE starting at 1200 25 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0425 1200 51.3 749.7 820.0 109.4 49.3 244.8 187.7 0425 1300 51.3 749.1 821.0 109.6 49.4 238.1 180.5 0425 1400 51.4 748.7 823.0 109.9 48.9 237.7 180.3 0425 1500 51.3 748.2 823.0 110.0 49.2 237.9 180.2 0425 1600 51.3 747.6 824.0 110.2 48.8 237.8 180.4 0425 1700 51.7 747.2 826.0 110.5 48.6 238.1 180.5 0425 1800 52.6 746.9 833.0 111.5 48.5 238.1 180.5 0425 1900 52.6 746.7 839.0 112.4 48.7 238.5 180.4 0425 2000 52.2 746.7 840.0 112.5 48.7 237.4 180.3 0425 2100 52.1 746.8 839.0 112.3 48.6 237.9 180.3 0425 2200 52.2 747.0 839.0 112.3 48.6 238.5 180.3 0425 2300 52.1 746.9 837.0 112.1 49.0 237.3 180.3 0426 0000 52.3 746.8 836.0 111.9 48.6 238.7 180.1 0426 0100 52.1 746.8 834.0 111.7 48.6 237.5 180.2 0426 0200 52.1 746.8 834.0 111.7 48.5 237.4 180.3 0426 0300 52.1 746.6 832.0 111.4 48.8 237.6 180.4 0426 0400 52.0 746.6 832.0 111.4 48.6 238.1 180.6 0426 0500 52.0 746.7 832.0 111.4 49.1 237.2 180.8 0426 0600 52.0 746.9 831.0 111.3 49.0 237.5 180.9 0426 0700 51.9 747.3 831.0 111.2 49.6 237.8 180.8 0426 0800 51.8 747.5 831.0 111.2 49.3 238.3 181.0 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 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR McNARY TAILWATER starting at 1200 25 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0425 1200 51.4 751.9 924.0 122.9 19.0 244.8 187.7 0425 1300 51.5 751.3 924.0 123.0 18.8 238.1 180.5 0425 1400 51.5 750.8 922.0 122.8 18.8 237.7 180.3 0425 1500 51.6 750.5 922.0 122.9 18.8 237.9 180.2 0425 1600 51.6 749.9 920.0 122.7 18.8 237.8 180.4 0425 1700 51.7 749.5 919.0 122.6 18.8 238.1 180.5 0425 1800 51.7 749.3 918.0 122.5 18.8 238.1 180.5 0425 1900 51.9 749.0 917.0 122.4 18.9 238.5 180.4 0425 2000 52.0 749.0 917.0 122.4 18.9 237.4 180.3 0425 2100 52.1 749.1 917.0 122.4 18.8 237.9 180.3 0425 2200 52.0 749.3 917.0 122.4 18.9 238.5 180.3 0425 2300 52.0 749.2 918.0 122.5 18.9 237.3 180.3 0426 0000 52.0 749.1 917.0 122.4 18.9 238.7 180.1 0426 0100 51.9 749.1 917.0 122.4 18.8 237.5 180.2 0426 0200 51.9 749.1 917.0 122.4 18.9 237.4 180.3 0426 0300 51.8 749.0 917.0 122.4 18.9 237.6 180.4 0426 0400 51.8 749.0 917.0 122.4 18.9 238.1 180.6 0426 0500 51.8 749.1 918.0 122.5 18.9 237.2 180.8 0426 0600 51.8 749.2 917.0 122.4 19.0 237.5 180.9 0426 0700 51.8 749.7 918.0 122.4 19.0 237.8 180.8 0426 0800 51.8 749.8 918.0 122.4 19.0 238.3 181.0 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 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR JOHN DAY (Wingwall) starting at 1200 25 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0425 1200 51.8 752.0 831.0 110.5 30.8 256.0 192.0 0425 1300 51.9 751.0 831.0 110.7 31.7 242.8 179.2 0425 1400 52.0 751.0 832.0 110.8 31.8 241.0 179.1 0425 1500 51.8 751.0 832.0 110.8 31.8 242.9 179.1 0425 1600 51.9 750.0 832.0 110.9 31.6 241.2 179.1 0425 1700 52.0 749.0 832.0 111.1 31.9 241.5 179.1 0425 1800 52.0 749.0 833.0 111.2 31.8 241.3 179.1 0425 1900 51.8 749.0 831.0 110.9 31.6 241.8 179.1 0425 2000 52.4 749.0 832.0 111.1 31.8 241.7 179.7 0425 2100 52.2 750.0 830.0 110.7 31.3 242.2 179.7 0425 2200 52.1 750.0 830.0 110.7 31.8 242.4 179.7 0425 2300 52.0 750.0 830.0 110.7 31.9 243.6 179.2 0426 0000 51.9 750.0 829.0 110.5 31.8 243.5 179.0 0426 0100 52.0 750.0 828.0 110.4 31.7 242.0 179.0 0426 0200 52.2 750.0 828.0 110.4 31.4 242.9 179.0 0426 0300 52.1 749.0 827.0 110.4 31.7 241.4 179.0 0426 0400 52.0 749.0 827.0 110.4 31.8 242.8 179.0 0426 0500 51.9 749.0 826.0 110.3 31.7 240.6 179.0 0426 0600 51.9 750.0 825.0 110.0 31.7 240.4 179.0 0426 0700 51.9 750.0 824.0 109.9 29.7 240.2 179.0 0426 0800 52.0 750.0 823.0 109.7 30.2 240.3 179.0 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 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR JOHN DAY TAILWATER starting at 1200 25 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0425 1200 52.1 754.0 912.0 121.0 15.5 256.0 192.0 0425 1300 52.1 754.0 906.0 120.2 15.4 242.8 179.2 0425 1400 52.1 753.0 905.0 120.2 15.6 241.0 179.1 0425 1500 52.1 753.0 904.0 120.1 15.7 242.9 179.1 0425 1600 52.1 752.0 905.0 120.3 15.8 241.2 179.1 0425 1700 52.2 752.0 905.0 120.3 15.9 241.5 179.1 0425 1800 52.2 752.0 904.0 120.2 16.0 241.3 179.1 0425 1900 52.2 751.0 905.0 120.5 16.0 241.8 179.1 0425 2000 52.2 752.0 902.0 119.9 15.7 241.7 179.7 0425 2100 52.2 752.0 901.0 119.8 15.5 242.2 179.7 0425 2200 52.2 752.0 902.0 119.9 15.4 242.4 179.7 0425 2300 52.2 752.0 903.0 120.1 15.2 243.6 179.2 0426 0000 52.1 752.0 904.0 120.2 14.9 243.5 179.0 0426 0100 52.2 752.0 900.0 119.7 14.6 242.0 179.0 0426 0200 52.1 752.0 900.0 119.7 14.9 242.9 179.0 0426 0300 52.1 752.0 900.0 119.7 14.8 241.4 179.0 0426 0400 52.1 752.0 899.0 119.5 15.0 242.8 179.0 0426 0500 52.1 752.0 899.0 119.5 15.0 240.6 179.0 0426 0600 52.0 752.0 900.0 119.7 15.0 240.4 179.0 0426 0700 52.1 752.0 899.0 119.5 14.9 240.2 179.0 0426 0800 52.1 752.0 900.0 119.7 14.9 240.3 179.0 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 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR THE DALLES starting at 1200 25 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0425 1200 52.0 754.0 924.0 122.5 15.9 208.6 98.0 0425 1300 52.0 754.0 925.0 122.7 15.9 207.7 98.0 0425 1400 52.0 753.0 926.0 123.0 15.1 207.9 98.0 0425 1500 52.2 753.0 927.0 123.1 15.9 208.4 98.0 0425 1600 52.2 752.0 928.0 123.4 15.4 209.7 98.0 0425 1700 52.2 752.0 929.0 123.5 16.1 209.3 98.0 0425 1800 52.3 751.0 929.0 123.7 16.1 215.7 98.0 0425 1900 52.2 751.0 929.0 123.7 14.5 256.7 98.0 0425 2000 52.3 751.0 929.0 123.7 15.2 256.1 98.0 0425 2100 52.4 752.0 928.0 123.4 15.2 258.4 98.0 0425 2200 52.4 752.0 927.0 123.3 14.6 259.5 98.0 0425 2300 52.4 752.0 927.0 123.3 13.5 262.7 98.0 0426 0000 52.5 752.0 927.0 123.3 13.8 262.4 98.0 0426 0100 52.5 752.0 926.0 123.1 14.9 229.3 95.4 0426 0200 52.6 752.0 927.0 123.3 14.2 222.0 94.0 0426 0300 52.6 752.0 928.0 123.4 14.6 220.8 94.0 0426 0400 52.5 752.0 926.0 123.1 15.3 220.0 94.0 0426 0500 52.5 752.0 923.0 122.7 15.3 220.0 94.0 0426 0600 52.4 752.0 920.0 122.3 14.6 242.9 94.0 0426 0700 52.4 752.0 918.0 122.1 14.4 243.2 94.0 0426 0800 52.4 753.0 916.0 121.6 15.1 243.9 94.0 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 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR 1 MILE DOWNSTREAM OF THE DALLES starting at 1200 25 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0425 1200 52.0 756.0 939.0 124.2 8.9 208.6 98.0 0425 1300 52.1 755.0 939.0 124.4 8.8 207.7 98.0 0425 1400 52.2 754.0 940.0 124.7 8.9 207.9 98.0 0425 1500 52.2 754.0 940.0 124.7 8.9 208.4 98.0 0425 1600 52.2 753.0 940.0 124.8 8.7 209.7 98.0 0425 1700 52.2 753.0 940.0 124.8 8.7 209.3 98.0 0425 1800 52.3 752.0 939.0 124.9 8.9 215.7 98.0 0425 1900 52.3 752.0 938.0 124.7 9.5 256.7 98.0 0425 2000 52.2 752.0 934.0 124.2 9.4 256.1 98.0 0425 2100 52.2 753.0 933.0 123.9 9.5 258.4 98.0 0425 2200 52.2 753.0 932.0 123.8 9.7 259.5 98.0 0425 2300 52.3 753.0 931.0 123.6 9.8 262.7 98.0 0426 0000 52.3 753.0 931.0 123.6 9.9 262.4 98.0 0426 0100 52.4 754.0 932.0 123.6 9.6 229.3 95.4 0426 0200 52.5 753.0 931.0 123.6 9.6 222.0 94.0 0426 0300 52.5 753.0 932.0 123.8 9.6 220.8 94.0 0426 0400 52.5 753.0 930.0 123.5 9.5 220.0 94.0 0426 0500 52.5 753.0 930.0 123.5 9.6 220.0 94.0 0426 0600 52.5 753.0 930.0 123.5 9.8 242.9 94.0 0426 0700 52.5 754.0 928.0 123.1 9.8 243.2 94.0 0426 0800 52.4 754.0 926.0 122.8 9.9 243.9 94.0 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 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR BONNEVILLE starting at 1200 25 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0425 1200 51.9 754.0 891.0 118.2 11.8 220.0 150.8 0425 1300 51.9 753.0 893.0 118.6 11.1 220.0 150.7 0425 1400 52.0 753.0 895.0 118.9 11.3 220.3 150.7 0425 1500 52.1 752.0 896.0 119.1 10.8 220.4 150.6 0425 1600 52.1 752.0 899.0 119.5 11.0 220.3 150.6 0425 1700 52.2 751.0 902.0 120.1 9.3 220.2 150.5 0425 1800 52.2 751.0 904.0 120.4 9.5 220.4 150.6 0425 1900 52.2 751.0 907.0 120.8 10.5 237.0 150.1 0425 2000 52.2 751.0 909.0 121.0 10.7 237.6 150.1 0425 2100 52.2 751.0 910.0 121.2 11.1 238.1 150.7 0425 2200 52.1 752.0 911.0 121.1 10.6 238.5 150.9 0425 2300 52.1 752.0 912.0 121.3 10.9 240.1 151.1 0426 0000 52.1 752.0 914.0 121.5 11.5 239.9 151.2 0426 0100 52.1 752.0 915.0 121.7 13.3 227.0 151.8 0426 0200 52.1 752.0 917.0 121.9 12.3 226.5 152.1 0426 0300 52.1 752.0 918.0 122.1 10.7 232.2 151.7 0426 0400 52.1 752.0 918.0 122.1 10.4 233.1 151.6 0426 0500 52.1 752.0 919.0 122.2 10.5 232.3 151.6 0426 0600 52.1 752.0 919.0 122.2 10.7 238.0 151.5 0426 0700 52.1 753.0 919.0 122.0 12.0 239.8 151.3 0426 0800 52.2 753.0 920.0 122.2 11.3 238.3 151.6 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 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR WARRENDALE starting at 1200 25 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0425 1200 52.0 758.0 927.0 122.3 7.8 220.0 150.8 0425 1300 52.2 757.0 929.0 122.7 7.7 220.0 150.7 0425 1400 52.6 757.0 932.0 123.1 7.7 220.3 150.7 0425 1500 52.4 756.0 932.0 123.3 7.7 220.4 150.6 0425 1600 52.5 756.0 933.0 123.4 7.6 220.3 150.6 0425 1700 52.5 755.0 931.0 123.3 7.6 220.2 150.5 0425 1800 52.5 755.0 931.0 123.3 7.6 220.4 150.6 0425 1900 52.4 755.0 929.0 123.0 7.6 237.0 150.1 0425 2000 52.4 755.0 928.0 122.9 7.6 237.6 150.1 0425 2100 52.4 755.0 926.0 122.6 7.6 238.1 150.7 0425 2200 52.4 756.0 925.0 122.4 7.7 238.5 150.9 0425 2300 52.3 756.0 924.0 122.2 7.7 240.1 151.1 0426 0000 52.2 756.0 924.0 122.2 7.7 239.9 151.2 0426 0100 52.2 756.0 924.0 122.2 7.7 227.0 151.8 0426 0200 52.2 756.0 925.0 122.4 7.7 226.5 152.1 0426 0300 52.1 756.0 926.0 122.5 7.7 232.2 151.7 0426 0400 52.1 756.0 927.0 122.6 7.7 233.1 151.6 0426 0500 52.1 756.0 927.0 122.6 7.7 232.3 151.6 0426 0600 52.1 756.0 926.0 122.5 7.7 238.0 151.5 0426 0700 52.1 757.0 927.0 122.5 7.7 239.8 151.3 0426 0800 52.1 757.0 928.0 122.6 7.7 238.3 151.6 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 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR CAMAS/WASHOUGAL starting at 1200 25 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0425 1200 + + + + + 220.0 150.8 0425 1300 + + + + + 220.0 150.7 0425 1400 + + + + + 220.3 150.7 0425 1500 + + + + + 220.4 150.6 0425 1600 + + + + + 220.3 150.6 0425 1700 + + + + + 220.2 150.5 0425 1800 + + + + + 220.4 150.6 0425 1900 + + + + + 237.0 150.1 0425 2000 + + + + + 237.6 150.1 0425 2100 + + + + + 238.1 150.7 0425 2200 + + + + + 238.5 150.9 0425 2300 + + + + + 240.1 151.1 0426 0000 + + + + + 239.9 151.2 0426 0100 + + + + + 227.0 151.8 0426 0200 + + + + + 226.5 152.1 0426 0300 + + + + + 232.2 151.7 0426 0400 + + + + + 233.1 151.6 0426 0500 + + + + + 232.3 151.6 0426 0600 + + + + + 238.0 151.5 0426 0700 + + + + + 239.8 151.3 0426 0800 + + + + + 238.3 151.6 0426 0900 + + + + + 224.5 152.0 0426 1000 + + + + + 224.2 152.1 0426 1100 + + + + + 224.1 151.8 0426 1200 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR CASCADE ISLAND, WA starting at 1200 25 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0425 1200 51.8 756.0 919.0 121.6 29.6 220.0 150.8 0425 1300 51.9 756.0 916.0 121.2 29.5 220.0 150.7 0425 1400 51.9 755.0 918.0 121.6 29.4 220.3 150.7 0425 1500 52.0 755.0 918.0 121.6 29.2 220.4 150.6 0425 1600 52.1 754.0 919.0 121.9 29.1 220.3 150.6 0425 1700 52.1 754.0 917.0 121.6 29.3 220.2 150.5 0425 1800 52.2 753.0 917.0 121.8 29.3 220.4 150.6 0425 1900 52.2 753.0 919.0 122.0 29.9 237.0 150.1 0425 2000 52.1 753.0 914.0 121.4 29.7 237.6 150.1 0425 2100 52.1 754.0 915.0 121.4 30.1 238.1 150.7 0425 2200 52.1 754.0 915.0 121.4 30.1 238.5 150.9 0425 2300 52.0 754.0 915.0 121.4 30.1 240.1 151.1 0426 0000 52.0 754.0 916.0 121.5 29.8 239.9 151.2 0426 0100 52.0 755.0 918.0 121.6 29.7 227.0 151.8 0426 0200 52.0 755.0 919.0 121.7 29.5 226.5 152.1 0426 0300 52.0 755.0 916.0 121.3 29.7 232.2 151.7 0426 0400 52.0 755.0 920.0 121.9 29.7 233.1 151.6 0426 0500 52.0 755.0 915.0 121.2 29.7 232.3 151.6 0426 0600 52.0 755.0 916.0 121.3 29.8 238.0 151.5 0426 0700 52.0 755.0 917.0 121.5 30.1 239.8 151.3 0426 0800 52.1 755.0 918.0 121.6 29.8 238.3 151.6 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 + + + + + + +