TOTAL DISSOLVED GAS REPORT FOR PASCO, WA starting at 1500 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1500 48.5 745.2 789.0 105.9 16.7 + + 0415 1600 48.7 745.7 791.0 106.1 16.7 + + 0415 1700 48.7 746.7 792.0 106.1 16.8 + + 0415 1800 48.6 747.0 792.0 106.0 16.8 + + 0415 1900 48.5 747.3 791.0 105.8 16.8 + + 0415 2000 48.4 747.9 790.0 105.6 16.8 + + 0415 2100 48.3 749.1 788.0 105.2 16.8 + + 0415 2200 48.2 749.9 787.0 104.9 16.8 + + 0415 2300 48.1 750.4 785.0 104.6 16.8 + + 0416 0000 48.1 750.7 785.0 104.6 16.8 + + 0416 0100 48.0 751.4 784.0 104.3 16.8 + + 0416 0200 47.9 751.6 784.0 104.3 16.8 + + 0416 0300 47.8 752.0 784.0 104.3 16.8 + + 0416 0400 47.7 752.3 783.0 104.1 16.8 + + 0416 0500 47.6 752.8 782.0 103.9 16.8 + + 0416 0600 47.6 753.7 782.0 103.8 16.9 + + 0416 0700 47.5 754.4 782.0 103.7 16.9 + + 0416 0800 47.5 755.0 782.0 103.6 16.9 + + 0416 0900 47.5 755.4 783.0 103.7 16.9 + + 0416 1000 47.6 755.5 784.0 103.8 17.0 + + 0416 1100 47.8 755.9 786.0 104.0 17.0 + + 0416 1200 48.0 755.9 788.0 104.2 17.0 + + 0416 1300 48.1 755.8 789.0 104.4 17.0 + + 0416 1400 48.2 755.6 790.0 104.6 17.0 + + 0416 1500 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR McNARY WASHINGTON SIDE starting at 1500 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1500 49.7 746.1 798.0 107.0 49.3 211.7 151.7 0415 1600 49.8 746.6 798.0 106.9 49.4 209.4 151.7 0415 1700 49.9 747.3 798.0 106.8 49.5 210.2 151.9 0415 1800 49.8 747.8 797.0 106.6 49.6 215.4 151.9 0415 1900 49.8 748.3 796.0 106.4 49.6 212.0 151.6 0415 2000 49.8 749.1 795.0 106.1 49.6 210.4 151.8 0415 2100 49.7 750.2 794.0 105.8 49.7 210.2 151.8 0415 2200 49.7 750.7 793.0 105.6 49.5 209.4 151.5 0415 2300 49.7 751.4 793.0 105.5 49.4 208.9 151.6 0416 0000 49.7 751.5 793.0 105.5 49.5 209.7 151.5 0416 0100 49.6 752.1 792.0 105.3 49.8 210.4 151.5 0416 0200 49.7 752.6 791.0 105.1 49.8 209.8 151.5 0416 0300 49.7 752.7 791.0 105.1 49.7 209.2 151.4 0416 0400 49.6 753.2 790.0 104.9 49.8 208.9 151.4 0416 0500 49.5 753.4 789.0 104.7 49.8 209.3 151.3 0416 0600 49.6 754.0 788.0 104.5 49.7 209.6 151.2 0416 0700 49.6 754.9 788.0 104.4 49.6 209.7 151.4 0416 0800 49.3 755.5 788.0 104.3 49.8 208.9 151.4 0416 0900 49.4 755.8 789.0 104.4 49.6 210.8 151.4 0416 1000 49.4 755.9 789.0 104.4 50.1 209.5 151.6 0416 1100 49.4 756.2 788.0 104.2 50.0 210.5 151.7 0416 1200 49.5 756.3 787.0 104.1 50.1 210.8 151.9 0416 1300 49.6 756.1 786.0 104.0 50.1 209.4 151.9 0416 1400 49.6 756.1 785.0 103.8 49.9 209.8 151.9 0416 1500 + + + + + 209.2 152.2 TOTAL DISSOLVED GAS REPORT FOR McNARY TAILWATER starting at 1500 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1500 49.9 748.6 911.0 121.7 19.0 211.7 151.7 0415 1600 49.9 749.2 911.0 121.6 18.8 209.4 151.7 0415 1700 49.8 750.0 912.0 121.6 19.1 210.2 151.9 0415 1800 49.8 750.4 912.0 121.5 19.1 215.4 151.9 0415 1900 49.7 750.9 911.0 121.3 19.1 212.0 151.6 0415 2000 49.7 751.6 911.0 121.2 19.0 210.4 151.8 0415 2100 49.7 752.5 911.0 121.1 19.0 210.2 151.8 0415 2200 49.6 753.1 912.0 121.1 18.9 209.4 151.5 0415 2300 49.6 753.7 914.0 121.3 19.0 208.9 151.6 0416 0000 49.6 754.0 914.0 121.2 19.1 209.7 151.5 0416 0100 49.6 754.5 915.0 121.3 19.0 210.4 151.5 0416 0200 49.6 754.9 916.0 121.3 18.9 209.8 151.5 0416 0300 49.6 755.0 916.0 121.3 18.9 209.2 151.4 0416 0400 49.6 755.5 916.0 121.2 19.0 208.9 151.4 0416 0500 49.5 755.7 916.0 121.2 19.1 209.3 151.3 0416 0600 49.5 756.3 917.0 121.2 19.1 209.6 151.2 0416 0700 49.5 757.1 917.0 121.1 19.1 209.7 151.4 0416 0800 49.5 757.8 918.0 121.1 19.0 208.9 151.4 0416 0900 49.4 758.2 919.0 121.2 19.2 210.8 151.4 0416 1000 49.5 758.4 921.0 121.4 19.2 209.5 151.6 0416 1100 49.5 758.6 923.0 121.7 19.2 210.5 151.7 0416 1200 49.6 758.6 924.0 121.8 19.1 210.8 151.9 0416 1300 49.7 758.6 924.0 121.8 19.1 209.4 151.9 0416 1400 49.7 758.5 923.0 121.7 19.1 209.8 151.9 0416 1500 + + + + + 209.2 152.2 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY (Wingwall) starting at 1500 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1500 50.5 751.0 813.0 108.3 31.7 214.8 150.2 0415 1600 50.5 752.0 814.0 108.2 31.8 212.2 150.2 0415 1700 50.5 752.0 813.0 108.1 31.8 212.4 150.2 0415 1800 50.5 753.0 815.0 108.2 31.3 216.7 150.2 0415 1900 50.5 753.0 814.0 108.1 31.9 215.6 150.3 0415 2000 50.5 753.0 814.0 108.1 31.7 213.5 150.3 0415 2100 50.4 754.0 812.0 107.7 31.9 211.9 150.3 0415 2200 50.4 755.0 812.0 107.5 31.9 212.0 150.5 0415 2300 50.4 755.0 813.0 107.7 31.9 212.6 150.6 0416 0000 50.4 756.0 813.0 107.5 32.0 211.8 150.5 0416 0100 50.4 756.0 813.0 107.5 31.8 213.9 150.7 0416 0200 50.3 756.0 813.0 107.5 32.0 211.6 150.7 0416 0300 50.3 757.0 812.0 107.3 31.9 211.6 150.7 0416 0400 50.3 757.0 812.0 107.3 31.8 211.7 150.7 0416 0500 50.3 757.0 812.0 107.3 32.0 212.0 150.7 0416 0600 50.3 758.0 809.0 106.7 32.1 212.3 150.7 0416 0700 50.3 758.0 808.0 106.6 32.0 211.9 150.7 0416 0800 50.3 759.0 811.0 106.9 31.9 211.7 150.7 0416 0900 50.3 759.0 812.0 107.0 31.8 214.7 150.7 0416 1000 50.3 759.0 811.0 106.9 32.1 211.8 150.7 0416 1100 50.3 760.0 813.0 107.0 32.1 212.0 150.7 0416 1200 50.3 760.0 813.0 107.0 31.9 211.7 150.7 0416 1300 50.3 760.0 813.0 107.0 32.2 213.4 150.7 0416 1400 50.4 760.0 813.0 107.0 32.1 211.6 150.7 0416 1500 + + + + + 211.2 150.6 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY TAILWATER starting at 1500 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1500 50.8 754.0 891.0 118.2 15.3 214.8 150.2 0415 1600 50.8 754.0 890.0 118.0 15.4 212.2 150.2 0415 1700 50.8 755.0 890.0 117.9 15.6 212.4 150.2 0415 1800 50.8 755.0 894.0 118.4 15.5 216.7 150.2 0415 1900 50.8 756.0 895.0 118.4 15.7 215.6 150.3 0415 2000 50.8 756.0 893.0 118.1 15.4 213.5 150.3 0415 2100 50.7 756.0 892.0 118.0 15.3 211.9 150.3 0415 2200 50.7 757.0 893.0 118.0 15.2 212.0 150.5 0415 2300 50.7 758.0 892.0 117.7 15.1 212.6 150.6 0416 0000 50.7 758.0 894.0 117.9 14.9 211.8 150.5 0416 0100 50.7 758.0 892.0 117.7 14.9 213.9 150.7 0416 0200 50.6 759.0 895.0 117.9 15.1 211.6 150.7 0416 0300 50.6 759.0 894.0 117.8 15.2 211.6 150.7 0416 0400 50.6 759.0 895.0 117.9 15.4 211.7 150.7 0416 0500 50.6 760.0 896.0 117.9 15.5 212.0 150.7 0416 0600 50.6 760.0 897.0 118.0 15.6 212.3 150.7 0416 0700 50.6 761.0 897.0 117.9 15.3 211.9 150.7 0416 0800 50.5 761.0 897.0 117.9 15.2 211.7 150.7 0416 0900 50.6 762.0 901.0 118.2 15.1 214.7 150.7 0416 1000 50.6 762.0 897.0 117.7 15.0 211.8 150.7 0416 1100 50.6 762.0 897.0 117.7 15.0 212.0 150.7 0416 1200 50.6 762.0 899.0 118.0 15.1 211.7 150.7 0416 1300 50.6 762.0 902.0 118.4 15.3 213.4 150.7 0416 1400 50.7 762.0 897.0 117.7 15.6 211.6 150.7 0416 1500 + + + + + 211.2 150.6 TOTAL DISSOLVED GAS REPORT FOR THE DALLES starting at 1500 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1500 50.7 755.0 880.0 116.6 16.1 191.5 81.0 0415 1600 50.8 756.0 879.0 116.3 16.3 191.2 81.0 0415 1700 50.8 756.0 879.0 116.3 15.5 192.1 81.0 0415 1800 50.8 757.0 877.0 115.9 16.1 192.1 81.0 0415 1900 50.8 757.0 874.0 115.5 14.3 216.1 81.0 0415 2000 50.7 757.0 870.0 114.9 15.9 217.0 81.0 0415 2100 50.7 757.0 868.0 114.7 15.9 217.3 81.0 0415 2200 50.7 758.0 866.0 114.2 14.4 217.9 81.0 0415 2300 50.7 758.0 863.0 113.9 15.4 217.7 81.0 0416 0000 50.7 758.0 861.0 113.6 15.2 216.9 81.0 0416 0100 50.7 759.0 860.0 113.3 16.1 190.6 81.0 0416 0200 50.8 759.0 861.0 113.4 15.9 189.0 81.0 0416 0300 50.8 760.0 862.0 113.4 15.7 189.5 81.0 0416 0400 50.8 760.0 862.0 113.4 16.2 189.7 81.0 0416 0500 50.8 760.0 862.0 113.4 15.8 190.4 81.0 0416 0600 50.7 761.0 861.0 113.1 15.6 219.8 81.0 0416 0700 50.7 761.0 862.0 113.3 15.9 222.4 81.0 0416 0800 50.6 762.0 861.0 113.0 15.8 220.5 81.0 0416 0900 50.6 762.0 862.0 113.1 13.9 220.9 81.0 0416 1000 50.6 762.0 864.0 113.4 15.5 219.0 81.0 0416 1100 50.6 763.0 864.0 113.2 16.0 200.2 81.0 0416 1200 50.6 763.0 865.0 113.4 15.8 181.0 81.0 0416 1300 50.7 763.0 867.0 113.6 15.8 179.0 81.0 0416 1400 50.7 763.0 869.0 113.9 16.3 178.6 81.0 0416 1500 + + + + + 177.6 81.0 TOTAL DISSOLVED GAS REPORT FOR 1 MILE DOWNSTREAM OF THE DALLES starting at 1500 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1500 50.8 756.0 906.0 119.8 8.3 191.5 81.0 0415 1600 50.8 757.0 907.0 119.8 8.3 191.2 81.0 0415 1700 50.8 757.0 907.0 119.8 8.4 192.1 81.0 0415 1800 50.8 758.0 908.0 119.8 8.5 192.1 81.0 0415 1900 50.8 758.0 905.0 119.4 8.7 216.1 81.0 0415 2000 50.8 758.0 904.0 119.3 8.7 217.0 81.0 0415 2100 50.7 758.0 901.0 118.9 8.7 217.3 81.0 0415 2200 50.7 759.0 899.0 118.4 8.8 217.9 81.0 0415 2300 50.7 759.0 897.0 118.2 8.7 217.7 81.0 0416 0000 50.7 759.0 894.0 117.8 8.8 216.9 81.0 0416 0100 50.7 760.0 894.0 117.6 8.5 190.6 81.0 0416 0200 50.7 760.0 894.0 117.6 8.5 189.0 81.0 0416 0300 50.7 761.0 896.0 117.7 8.5 189.5 81.0 0416 0400 50.8 761.0 896.0 117.7 8.5 189.7 81.0 0416 0500 50.7 762.0 896.0 117.6 8.5 190.4 81.0 0416 0600 50.8 762.0 896.0 117.6 8.9 219.8 81.0 0416 0700 50.8 763.0 895.0 117.3 9.0 222.4 81.0 0416 0800 50.7 763.0 895.0 117.3 9.0 220.5 81.0 0416 0900 50.8 763.0 895.0 117.3 9.0 220.9 81.0 0416 1000 50.7 764.0 892.0 116.8 9.1 219.0 81.0 0416 1100 50.8 764.0 894.0 117.0 8.8 200.2 81.0 0416 1200 50.8 764.0 896.0 117.3 8.5 181.0 81.0 0416 1300 50.8 764.0 899.0 117.7 8.5 179.0 81.0 0416 1400 50.8 765.0 902.0 117.9 8.6 178.6 81.0 0416 1500 + + + + + 177.6 81.0 TOTAL DISSOLVED GAS REPORT FOR BONNEVILLE starting at 1500 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1500 50.6 757.0 854.0 112.8 10.2 194.7 149.6 0415 1600 50.6 757.0 854.0 112.8 10.1 194.3 149.7 0415 1700 50.7 757.0 856.0 113.1 11.1 194.7 149.8 0415 1800 50.7 758.0 856.0 112.9 10.8 206.9 149.5 0415 1900 50.7 758.0 858.0 113.2 11.6 220.3 149.1 0415 2000 50.7 758.0 857.0 113.1 8.4 219.9 149.0 0415 2100 50.6 759.0 858.0 113.0 9.0 220.1 149.2 0415 2200 50.5 759.0 858.0 113.0 10.5 220.1 149.2 0415 2300 50.5 760.0 858.0 112.9 11.0 220.0 149.3 0416 0000 50.5 760.0 859.0 113.0 10.3 219.4 149.2 0416 0100 50.4 761.0 859.0 112.9 9.7 209.8 149.6 0416 0200 50.4 761.0 860.0 113.0 10.7 209.0 149.7 0416 0300 50.3 761.0 860.0 113.0 9.4 208.7 149.4 0416 0400 50.3 762.0 859.0 112.7 10.3 208.5 149.3 0416 0500 50.2 762.0 858.0 112.6 10.7 208.5 149.3 0416 0600 50.1 763.0 856.0 112.2 10.3 208.5 149.3 0416 0700 50.1 763.0 855.0 112.1 9.9 219.9 148.8 0416 0800 50.1 764.0 854.0 111.8 8.9 227.5 148.9 0416 0900 50.1 765.0 853.0 111.5 10.7 231.6 148.8 0416 1000 50.1 765.0 853.0 111.5 10.3 224.0 148.9 0416 1100 50.1 766.0 854.0 111.5 10.0 205.1 149.3 0416 1200 50.2 766.0 855.0 111.6 12.7 198.0 149.7 0416 1300 50.2 766.0 856.0 111.7 10.8 194.1 149.6 0416 1400 50.3 766.0 857.0 111.9 12.5 193.0 149.4 0416 1500 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR WARRENDALE starting at 1500 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1500 50.5 761.0 915.0 120.2 7.9 194.7 149.6 0415 1600 50.5 761.0 917.0 120.5 7.9 194.3 149.7 0415 1700 50.6 761.0 921.0 121.0 7.9 194.7 149.8 0415 1800 50.6 762.0 921.0 120.9 8.0 206.9 149.5 0415 1900 50.6 762.0 923.0 121.1 8.0 220.3 149.1 0415 2000 50.7 762.0 923.0 121.1 8.0 219.9 149.0 0415 2100 50.6 763.0 921.0 120.7 8.0 220.1 149.2 0415 2200 50.4 763.0 918.0 120.3 8.0 220.1 149.2 0415 2300 50.6 764.0 916.0 119.9 8.1 220.0 149.3 0416 0000 50.6 764.0 917.0 120.0 8.1 219.4 149.2 0416 0100 50.5 764.0 917.0 120.0 8.1 209.8 149.6 0416 0200 50.5 765.0 918.0 120.0 8.1 209.0 149.7 0416 0300 50.5 765.0 919.0 120.1 8.1 208.7 149.4 0416 0400 50.4 766.0 917.0 119.7 8.1 208.5 149.3 0416 0500 50.4 766.0 919.0 120.0 8.2 208.5 149.3 0416 0600 50.3 767.0 917.0 119.6 8.2 208.5 149.3 0416 0700 50.3 767.0 920.0 119.9 8.2 219.9 148.8 0416 0800 50.2 768.0 921.0 119.9 8.2 227.5 148.9 0416 0900 50.2 769.0 922.0 119.9 8.3 231.6 148.8 0416 1000 50.2 769.0 921.0 119.8 8.3 224.0 148.9 0416 1100 50.2 769.0 920.0 119.6 8.3 205.1 149.3 0416 1200 50.3 770.0 924.0 120.0 8.3 198.0 149.7 0416 1300 50.3 770.0 926.0 120.3 8.3 194.1 149.6 0416 1400 50.5 769.0 927.0 120.5 8.3 193.0 149.4 0416 1500 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR CAMAS/WASHOUGAL starting at 1500 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1500 + + + + + 194.7 149.6 0415 1600 + + + + + 194.3 149.7 0415 1700 + + + + + 194.7 149.8 0415 1800 + + + + + 206.9 149.5 0415 1900 + + + + + 220.3 149.1 0415 2000 + + + + + 219.9 149.0 0415 2100 + + + + + 220.1 149.2 0415 2200 + + + + + 220.1 149.2 0415 2300 + + + + + 220.0 149.3 0416 0000 + + + + + 219.4 149.2 0416 0100 + + + + + 209.8 149.6 0416 0200 + + + + + 209.0 149.7 0416 0300 + + + + + 208.7 149.4 0416 0400 + + + + + 208.5 149.3 0416 0500 + + + + + 208.5 149.3 0416 0600 + + + + + 208.5 149.3 0416 0700 + + + + + 219.9 148.8 0416 0800 + + + + + 227.5 148.9 0416 0900 + + + + + 231.6 148.8 0416 1000 + + + + + 224.0 148.9 0416 1100 + + + + + 205.1 149.3 0416 1200 + + + + + 198.0 149.7 0416 1300 + + + + + 194.1 149.6 0416 1400 + + + + + 193.0 149.4 0416 1500 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR CASCADE ISLAND, WA starting at 1500 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1500 50.5 759.0 911.0 120.0 27.8 194.7 149.6 0415 1600 50.6 759.0 911.0 120.0 27.8 194.3 149.7 0415 1700 50.6 759.0 912.0 120.2 27.8 194.7 149.8 0415 1800 50.6 760.0 912.0 120.0 28.6 206.9 149.5 0415 1900 50.6 760.0 914.0 120.3 29.1 220.3 149.1 0415 2000 50.6 760.0 914.0 120.3 29.4 219.9 149.0 0415 2100 50.5 761.0 914.0 120.1 29.1 220.1 149.2 0415 2200 50.5 761.0 916.0 120.4 29.4 220.1 149.2 0415 2300 50.4 762.0 921.0 120.9 29.3 220.0 149.3 0416 0000 50.4 762.0 922.0 121.0 29.3 219.4 149.2 0416 0100 50.3 763.0 916.0 120.1 29.1 209.8 149.6 0416 0200 50.3 763.0 915.0 119.9 29.1 209.0 149.7 0416 0300 50.2 763.0 916.0 120.1 29.0 208.7 149.4 0416 0400 50.2 764.0 917.0 120.0 28.7 208.5 149.3 0416 0500 50.1 764.0 916.0 119.9 28.7 208.5 149.3 0416 0600 50.1 765.0 917.0 119.9 29.0 208.5 149.3 0416 0700 50.0 765.0 920.0 120.3 29.5 219.9 148.8 0416 0800 50.0 766.0 926.0 120.9 30.0 227.5 148.9 0416 0900 50.0 767.0 927.0 120.9 29.9 231.6 148.8 0416 1000 50.0 767.0 927.0 120.9 29.7 224.0 148.9 0416 1100 50.0 768.0 921.0 119.9 29.1 205.1 149.3 0416 1200 50.1 768.0 919.0 119.7 28.7 198.0 149.7 0416 1300 50.1 768.0 920.0 119.8 28.5 194.1 149.6 0416 1400 50.2 768.0 919.0 119.7 28.4 193.0 149.4 0416 1500 + + + + + + +