TOTAL DISSOLVED GAS REPORT FOR PASCO, WA starting at 1400 14 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0414 1400 48.9 751.0 795.0 105.9 17.1 + + 0414 1500 48.8 750.9 796.0 106.0 17.0 + + 0414 1600 48.7 750.9 796.0 106.0 17.0 + + 0414 1700 48.6 750.3 795.0 106.0 17.0 + + 0414 1800 48.5 750.1 794.0 105.9 17.0 + + 0414 1900 48.4 749.6 793.0 105.8 16.9 + + 0414 2000 48.3 749.3 792.0 105.7 16.9 + + 0414 2100 48.3 749.2 791.0 105.6 16.9 + + 0414 2200 48.2 748.9 791.0 105.6 16.8 + + 0414 2300 48.2 748.3 790.0 105.6 16.8 + + 0415 0000 48.1 747.7 789.0 105.5 16.8 + + 0415 0100 48.1 747.4 787.0 105.3 16.8 + + 0415 0200 48.0 746.7 786.0 105.3 16.7 + + 0415 0300 48.0 745.7 785.0 105.3 16.7 + + 0415 0400 48.0 745.3 784.0 105.2 16.7 + + 0415 0500 47.9 744.7 783.0 105.1 16.7 + + 0415 0600 48.0 744.2 784.0 105.3 16.7 + + 0415 0700 47.9 744.3 784.0 105.3 16.7 + + 0415 0800 48.0 744.7 784.0 105.3 16.6 + + 0415 0900 48.0 744.5 784.0 105.3 16.7 + + 0415 1000 48.0 744.3 785.0 105.5 16.6 + + 0415 1100 48.0 744.7 785.0 105.4 16.7 + + 0415 1200 48.0 744.9 785.0 105.4 16.7 + + 0415 1300 48.2 744.7 786.0 105.5 16.7 + + 0415 1400 48.3 744.7 787.0 105.7 16.8 + + TOTAL DISSOLVED GAS REPORT FOR McNARY WASHINGTON SIDE starting at 1400 14 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0414 1400 49.6 751.7 803.0 106.8 50.0 206.3 151.0 0414 1500 49.7 751.4 804.0 107.0 50.1 207.6 151.2 0414 1600 49.6 750.9 804.0 107.1 50.1 208.7 151.6 0414 1700 49.6 750.3 804.0 107.2 50.1 208.6 151.5 0414 1800 49.6 750.1 803.0 107.1 50.0 208.9 151.4 0414 1900 49.6 749.9 803.0 107.1 50.0 212.7 151.3 0414 2000 49.5 749.5 802.0 107.0 49.9 208.2 151.2 0414 2100 49.5 749.5 802.0 107.0 49.8 208.2 151.2 0414 2200 49.4 749.3 801.0 106.9 49.8 210.7 150.8 0414 2300 49.5 748.9 801.0 107.0 49.7 207.9 151.0 0415 0000 49.5 748.3 800.0 106.9 49.5 208.3 150.9 0415 0100 49.6 747.8 800.0 107.0 49.3 207.9 150.8 0415 0200 49.6 746.9 800.0 107.1 49.5 207.4 150.8 0415 0300 49.6 746.2 800.0 107.2 49.5 208.1 150.6 0415 0400 49.7 745.9 800.0 107.3 49.5 207.9 151.1 0415 0500 49.7 745.2 799.0 107.2 49.6 208.1 151.4 0415 0600 49.7 744.7 799.0 107.3 49.5 209.5 151.9 0415 0700 49.6 744.7 798.0 107.2 49.1 208.7 151.9 0415 0800 49.6 744.9 800.0 107.4 49.5 208.6 151.9 0415 0900 49.6 745.1 800.0 107.4 49.2 209.1 152.1 0415 1000 49.6 745.1 800.0 107.4 49.2 209.4 152.1 0415 1100 49.7 745.5 800.0 107.3 49.3 208.9 151.8 0415 1200 49.7 745.6 800.0 107.3 49.3 208.6 151.8 0415 1300 49.7 745.3 799.0 107.2 49.3 210.1 151.3 0415 1400 49.7 745.5 799.0 107.2 49.3 209.7 151.5 TOTAL DISSOLVED GAS REPORT FOR McNARY TAILWATER starting at 1400 14 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0414 1400 49.8 754.1 916.0 121.5 18.6 206.3 151.0 0414 1500 49.7 753.7 916.0 121.5 18.5 207.6 151.2 0414 1600 49.7 753.3 915.0 121.5 18.5 208.7 151.6 0414 1700 49.7 752.6 915.0 121.6 18.5 208.6 151.5 0414 1800 49.7 752.5 916.0 121.7 18.5 208.9 151.4 0414 1900 49.6 752.2 915.0 121.6 18.6 212.7 151.3 0414 2000 49.6 751.8 914.0 121.6 18.5 208.2 151.2 0414 2100 49.5 751.8 915.0 121.7 18.4 208.2 151.2 0414 2200 49.5 751.6 913.0 121.5 18.4 210.7 150.8 0414 2300 49.5 751.2 913.0 121.5 18.4 207.9 151.0 0415 0000 49.5 750.6 912.0 121.5 18.3 208.3 150.9 0415 0100 49.5 750.1 912.0 121.6 18.4 207.9 150.8 0415 0200 49.5 749.2 911.0 121.6 18.4 207.4 150.8 0415 0300 49.5 748.5 911.0 121.7 18.3 208.1 150.6 0415 0400 49.5 748.1 910.0 121.6 18.2 207.9 151.1 0415 0500 49.6 747.5 910.0 121.7 18.3 208.1 151.4 0415 0600 49.6 747.0 910.0 121.8 18.3 209.5 151.9 0415 0700 49.6 746.9 910.0 121.8 18.3 208.7 151.9 0415 0800 49.6 747.2 909.0 121.7 18.3 208.6 151.9 0415 0900 49.6 747.5 909.0 121.6 18.4 209.1 152.1 0415 1000 49.6 747.4 909.0 121.6 18.5 209.4 152.1 0415 1100 49.7 747.9 910.0 121.7 18.6 208.9 151.8 0415 1200 49.7 748.2 908.0 121.4 18.8 208.6 151.8 0415 1300 49.7 748.0 908.0 121.4 18.7 210.1 151.3 0415 1400 49.8 748.3 910.0 121.6 19.1 209.7 151.5 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY (Wingwall) starting at 1400 14 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0414 1400 50.2 755.0 806.0 106.8 31.8 211.0 150.2 0414 1500 50.2 754.0 805.0 106.8 31.1 213.5 150.3 0414 1600 50.2 753.0 806.0 107.0 31.7 208.6 150.3 0414 1700 50.3 753.0 806.0 107.0 31.9 211.3 150.3 0414 1800 50.3 753.0 805.0 106.9 31.8 211.3 150.2 0414 1900 50.3 753.0 806.0 107.0 31.8 214.9 150.2 0414 2000 50.3 752.0 806.0 107.2 31.6 210.8 150.2 0414 2100 50.3 752.0 806.0 107.2 31.6 211.1 150.2 0414 2200 50.3 752.0 806.0 107.2 31.8 213.6 150.4 0414 2300 50.3 751.0 808.0 107.6 31.7 213.2 150.4 0415 0000 50.3 751.0 808.0 107.6 31.3 211.8 150.4 0415 0100 50.3 750.0 808.0 107.7 31.3 208.6 150.4 0415 0200 50.3 750.0 809.0 107.9 31.3 212.0 150.4 0415 0300 50.3 749.0 809.0 108.0 31.5 210.9 150.4 0415 0400 50.3 748.0 808.0 108.0 31.6 210.6 150.4 0415 0500 50.3 748.0 810.0 108.3 31.4 210.6 150.4 0415 0600 50.3 748.0 809.0 108.2 31.7 211.7 150.4 0415 0700 50.3 748.0 811.0 108.4 31.6 210.9 150.4 0415 0800 50.4 749.0 811.0 108.3 31.4 210.7 150.4 0415 0900 50.3 749.0 811.0 108.3 31.6 210.9 150.4 0415 1000 50.4 749.0 813.0 108.5 31.8 212.9 150.2 0415 1100 50.4 750.0 812.0 108.3 31.7 212.1 150.1 0415 1200 50.4 750.0 812.0 108.3 31.8 211.6 150.1 0415 1300 50.4 750.0 811.0 108.1 31.8 212.6 150.1 0415 1400 + + + + + 212.9 150.2 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY TAILWATER starting at 1400 14 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0414 1400 50.5 757.0 895.0 118.2 15.2 211.0 150.2 0414 1500 50.6 756.0 895.0 118.4 15.4 213.5 150.3 0414 1600 50.6 756.0 895.0 118.4 15.4 208.6 150.3 0414 1700 50.6 755.0 894.0 118.4 15.5 211.3 150.3 0414 1800 50.6 755.0 895.0 118.5 15.4 211.3 150.2 0414 1900 50.6 755.0 894.0 118.4 15.4 214.9 150.2 0414 2000 50.6 755.0 892.0 118.1 15.2 210.8 150.2 0414 2100 50.6 754.0 891.0 118.2 15.2 211.1 150.2 0414 2200 50.6 754.0 892.0 118.3 14.9 213.6 150.4 0414 2300 50.6 754.0 897.0 119.0 14.9 213.2 150.4 0415 0000 50.6 753.0 890.0 118.2 14.8 211.8 150.4 0415 0100 50.7 753.0 892.0 118.5 14.8 208.6 150.4 0415 0200 50.7 752.0 889.0 118.2 14.9 212.0 150.4 0415 0300 50.7 751.0 887.0 118.1 14.9 210.9 150.4 0415 0400 50.7 751.0 887.0 118.1 15.0 210.6 150.4 0415 0500 50.7 750.0 889.0 118.5 15.1 210.6 150.4 0415 0600 50.7 750.0 888.0 118.4 14.9 211.7 150.4 0415 0700 50.7 751.0 888.0 118.2 14.8 210.9 150.4 0415 0800 50.7 751.0 885.0 117.8 14.7 210.7 150.4 0415 0900 50.7 751.0 887.0 118.1 14.6 210.9 150.4 0415 1000 50.7 752.0 889.0 118.2 14.6 212.9 150.2 0415 1100 50.8 753.0 888.0 117.9 15.0 212.1 150.1 0415 1200 50.8 753.0 888.0 117.9 14.9 211.6 150.1 0415 1300 50.8 753.0 888.0 117.9 15.0 212.6 150.1 0415 1400 + + + + + 212.9 150.2 TOTAL DISSOLVED GAS REPORT FOR THE DALLES starting at 1400 14 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0414 1400 50.4 758.0 866.0 114.2 16.4 189.4 79.0 0414 1500 50.4 757.0 867.0 114.5 15.9 187.9 79.0 0414 1600 50.5 756.0 868.0 114.8 16.4 189.0 79.0 0414 1700 50.4 756.0 870.0 115.1 16.3 198.1 79.0 0414 1800 50.4 756.0 873.0 115.5 16.3 199.8 79.0 0414 1900 50.4 755.0 874.0 115.8 16.3 213.7 79.0 0414 2000 50.4 755.0 873.0 115.6 15.7 213.8 79.0 0414 2100 50.4 755.0 872.0 115.5 14.6 218.1 79.0 0414 2200 50.5 754.0 874.0 115.9 15.9 215.2 79.0 0414 2300 50.5 754.0 876.0 116.2 15.1 214.3 79.0 0415 0000 50.5 753.0 876.0 116.3 15.6 206.1 79.0 0415 0100 50.5 753.0 879.0 116.7 15.6 190.6 80.7 0415 0200 50.5 752.0 879.0 116.9 16.0 188.4 81.0 0415 0300 50.6 752.0 882.0 117.3 15.9 189.1 81.0 0415 0400 50.6 751.0 883.0 117.6 16.1 188.9 81.0 0415 0500 50.6 751.0 883.0 117.6 15.7 212.1 81.0 0415 0600 50.6 750.0 884.0 117.9 15.9 215.8 81.0 0415 0700 50.6 751.0 884.0 117.7 15.0 214.2 81.0 0415 0800 50.6 752.0 884.0 117.6 15.6 215.2 81.0 0415 0900 50.6 752.0 885.0 117.7 15.1 215.0 81.0 0415 1000 50.6 753.0 885.0 117.5 15.2 193.3 81.0 0415 1100 50.7 754.0 882.0 117.0 15.5 191.0 81.0 0415 1200 50.7 754.0 883.0 117.1 15.9 191.0 81.0 0415 1300 50.8 754.0 885.0 117.4 16.0 192.0 81.0 0415 1400 + + + + + 189.3 81.0 TOTAL DISSOLVED GAS REPORT FOR 1 MILE DOWNSTREAM OF THE DALLES starting at 1400 14 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0414 1400 50.5 758.0 899.0 118.6 8.0 189.4 79.0 0414 1500 50.5 758.0 899.0 118.6 8.1 187.9 79.0 0414 1600 50.5 757.0 902.0 119.2 8.0 189.0 79.0 0414 1700 50.5 757.0 901.0 119.0 7.8 198.1 79.0 0414 1800 50.4 757.0 901.0 119.0 7.8 199.8 79.0 0414 1900 50.4 756.0 900.0 119.0 8.0 213.7 79.0 0414 2000 50.4 756.0 900.0 119.0 7.9 213.8 79.0 0414 2100 50.4 755.0 900.0 119.2 8.2 218.1 79.0 0414 2200 50.4 755.0 900.0 119.2 8.0 215.2 79.0 0414 2300 50.4 755.0 900.0 119.2 7.8 214.3 79.0 0415 0000 50.4 754.0 900.0 119.4 7.8 206.1 79.0 0415 0100 50.5 754.0 900.0 119.4 7.6 190.6 80.7 0415 0200 50.5 753.0 901.0 119.7 7.6 188.4 81.0 0415 0300 50.5 753.0 903.0 119.9 7.7 189.1 81.0 0415 0400 50.5 752.0 904.0 120.2 7.6 188.9 81.0 0415 0500 50.5 751.0 903.0 120.2 8.1 212.1 81.0 0415 0600 50.6 751.0 905.0 120.5 8.2 215.8 81.0 0415 0700 50.6 753.0 905.0 120.2 8.3 214.2 81.0 0415 0800 50.6 752.0 903.0 120.1 8.2 215.2 81.0 0415 0900 50.6 753.0 904.0 120.1 8.5 215.0 81.0 0415 1000 50.6 754.0 904.0 119.9 8.2 193.3 81.0 0415 1100 50.7 755.0 903.0 119.6 8.1 191.0 81.0 0415 1200 50.7 755.0 905.0 119.9 8.2 191.0 81.0 0415 1300 50.8 754.0 905.0 120.0 8.3 192.0 81.0 0415 1400 + + + + + 189.3 81.0 TOTAL DISSOLVED GAS REPORT FOR BONNEVILLE starting at 1400 14 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0414 1400 50.5 759.0 847.0 111.6 8.4 208.0 148.7 0414 1500 50.5 758.0 847.0 111.7 9.7 214.2 148.5 0414 1600 50.5 758.0 848.0 111.9 9.7 216.0 148.3 0414 1700 50.5 757.0 848.0 112.0 9.9 216.8 148.1 0414 1800 50.5 757.0 848.0 112.0 7.5 216.2 148.0 0414 1900 50.5 756.0 847.0 112.0 9.7 218.5 147.9 0414 2000 50.5 756.0 847.0 112.0 9.7 215.7 147.9 0414 2100 50.5 755.0 846.0 112.1 10.0 215.9 148.0 0414 2200 50.4 755.0 846.0 112.1 9.3 207.7 148.3 0414 2300 50.4 754.0 846.0 112.2 9.4 207.2 148.5 0415 0000 50.4 754.0 848.0 112.5 11.8 195.4 148.8 0415 0100 50.4 754.0 848.0 112.5 11.1 193.8 149.1 0415 0200 50.3 753.0 848.0 112.6 10.6 194.1 149.2 0415 0300 50.3 752.0 848.0 112.8 10.9 194.1 149.1 0415 0400 50.3 751.0 848.0 112.9 9.4 193.8 149.1 0415 0500 50.3 751.0 849.0 113.0 9.9 194.3 149.2 0415 0600 50.3 752.0 849.0 112.9 11.5 207.4 148.9 0415 0700 50.3 753.0 848.0 112.6 10.0 217.6 148.9 0415 0800 50.3 754.0 848.0 112.5 9.1 219.2 148.8 0415 0900 50.3 754.0 849.0 112.6 9.2 219.4 148.8 0415 1000 50.3 755.0 850.0 112.6 10.6 207.9 149.1 0415 1100 50.4 755.0 852.0 112.8 9.5 196.2 149.4 0415 1200 50.4 755.0 852.0 112.8 10.1 193.9 149.4 0415 1300 50.5 756.0 853.0 112.8 10.3 194.3 149.3 0415 1400 + + + + + 194.5 149.5 TOTAL DISSOLVED GAS REPORT FOR WARRENDALE starting at 1400 14 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0414 1400 50.6 763.0 916.0 120.1 8.0 208.0 148.7 0414 1500 50.6 762.0 916.0 120.2 8.0 214.2 148.5 0414 1600 50.6 762.0 917.0 120.3 8.0 216.0 148.3 0414 1700 50.6 761.0 915.0 120.2 7.9 216.8 148.1 0414 1800 50.6 761.0 912.0 119.8 7.9 216.2 148.0 0414 1900 50.6 760.0 907.0 119.3 7.9 218.5 147.9 0414 2000 50.6 760.0 910.0 119.7 7.9 215.7 147.9 0414 2100 50.6 759.0 908.0 119.6 7.9 215.9 148.0 0414 2200 50.5 759.0 907.0 119.5 7.9 207.7 148.3 0414 2300 50.5 758.0 906.0 119.5 7.9 207.2 148.5 0415 0000 50.5 758.0 905.0 119.4 7.9 195.4 148.8 0415 0100 50.5 758.0 907.0 119.7 7.8 193.8 149.1 0415 0200 50.5 757.0 909.0 120.1 7.8 194.1 149.2 0415 0300 50.5 756.0 910.0 120.4 7.8 194.1 149.1 0415 0400 50.5 755.0 913.0 120.9 7.7 193.8 149.1 0415 0500 50.4 754.0 911.0 120.8 7.6 194.3 149.2 0415 0600 50.4 756.0 906.0 119.8 7.7 207.4 148.9 0415 0700 50.4 757.0 910.0 120.2 7.8 217.6 148.9 0415 0800 50.4 758.0 912.0 120.3 7.8 219.2 148.8 0415 0900 50.3 758.0 914.0 120.6 7.8 219.4 148.8 0415 1000 50.4 759.0 913.0 120.3 7.8 207.9 149.1 0415 1100 50.4 759.0 913.0 120.3 7.8 196.2 149.4 0415 1200 50.6 759.0 912.0 120.2 7.9 193.9 149.4 0415 1300 50.5 759.0 910.0 119.9 7.9 194.3 149.3 0415 1400 + + + + + 194.5 149.5 TOTAL DISSOLVED GAS REPORT FOR CAMAS/WASHOUGAL starting at 1400 14 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0414 1400 + + + + + 208.0 148.7 0414 1500 + + + + + 214.2 148.5 0414 1600 + + + + + 216.0 148.3 0414 1700 + + + + + 216.8 148.1 0414 1800 + + + + + 216.2 148.0 0414 1900 + + + + + 218.5 147.9 0414 2000 + + + + + 215.7 147.9 0414 2100 + + + + + 215.9 148.0 0414 2200 + + + + + 207.7 148.3 0414 2300 + + + + + 207.2 148.5 0415 0000 + + + + + 195.4 148.8 0415 0100 + + + + + 193.8 149.1 0415 0200 + + + + + 194.1 149.2 0415 0300 + + + + + 194.1 149.1 0415 0400 + + + + + 193.8 149.1 0415 0500 + + + + + 194.3 149.2 0415 0600 + + + + + 207.4 148.9 0415 0700 + + + + + 217.6 148.9 0415 0800 + + + + + 219.2 148.8 0415 0900 + + + + + 219.4 148.8 0415 1000 + + + + + 207.9 149.1 0415 1100 + + + + + 196.2 149.4 0415 1200 + + + + + 193.9 149.4 0415 1300 + + + + + 194.3 149.3 0415 1400 + + + + + 194.5 149.5 TOTAL DISSOLVED GAS REPORT FOR CASCADE ISLAND, WA starting at 1400 14 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0414 1400 50.4 761.0 914.0 120.1 28.3 208.0 148.7 0414 1500 50.4 760.0 913.0 120.1 28.7 214.2 148.5 0414 1600 50.4 760.0 913.0 120.1 28.6 216.0 148.3 0414 1700 50.4 759.0 913.0 120.3 29.0 216.8 148.1 0414 1800 50.4 759.0 913.0 120.3 28.8 216.2 148.0 0414 1900 50.4 759.0 912.0 120.2 28.9 218.5 147.9 0414 2000 50.4 758.0 916.0 120.8 28.9 215.7 147.9 0414 2100 50.4 757.0 916.0 121.0 28.8 215.9 148.0 0414 2200 50.4 757.0 910.0 120.2 28.4 207.7 148.3 0414 2300 50.3 756.0 909.0 120.2 28.4 207.2 148.5 0415 0000 50.3 756.0 908.0 120.1 28.0 195.4 148.8 0415 0100 50.3 756.0 908.0 120.1 27.7 193.8 149.1 0415 0200 50.3 755.0 907.0 120.1 27.6 194.1 149.2 0415 0300 50.3 754.0 908.0 120.4 27.6 194.1 149.1 0415 0400 50.2 753.0 905.0 120.2 27.5 193.8 149.1 0415 0500 50.2 753.0 905.0 120.2 27.6 194.3 149.2 0415 0600 50.2 754.0 907.0 120.3 28.3 207.4 148.9 0415 0700 50.2 755.0 907.0 120.1 28.4 217.6 148.9 0415 0800 50.2 756.0 910.0 120.4 28.9 219.2 148.8 0415 0900 50.2 757.0 910.0 120.2 29.0 219.4 148.8 0415 1000 50.2 757.0 909.0 120.1 28.5 207.9 149.1 0415 1100 50.3 757.0 910.0 120.2 28.0 196.2 149.4 0415 1200 50.3 757.0 909.0 120.1 27.8 193.9 149.4 0415 1300 50.4 758.0 910.0 120.1 27.6 194.3 149.3 0415 1400 + + + + + 194.5 149.5