TOTAL DISSOLVED GAS REPORT FOR PASCO, WA starting at 1100 11 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0411 1100 48.0 743.7 812.0 109.2 17.0 + + 0411 1200 48.1 743.9 812.0 109.2 17.0 + + 0411 1300 48.3 743.6 812.0 109.2 17.0 + + 0411 1400 48.5 743.3 813.0 109.4 16.9 + + 0411 1500 48.7 742.9 814.0 109.6 16.9 + + 0411 1600 48.9 742.6 815.0 109.7 16.9 + + 0411 1700 49.0 742.3 816.0 109.9 16.8 + + 0411 1800 49.1 742.2 817.0 110.1 16.7 + + 0411 1900 49.2 742.4 818.0 110.2 16.7 + + 0411 2000 49.0 742.6 816.0 109.9 16.6 + + 0411 2100 48.9 743.2 815.0 109.7 16.6 + + 0411 2200 48.9 743.4 815.0 109.6 16.6 + + 0411 2300 48.9 743.4 813.0 109.4 16.5 + + 0412 0000 48.8 743.5 812.0 109.2 16.5 + + 0412 0100 48.7 743.4 811.0 109.1 16.5 + + 0412 0200 48.7 742.8 810.0 109.0 16.4 + + 0412 0300 48.6 742.4 810.0 109.1 16.4 + + 0412 0400 48.6 742.6 809.0 108.9 16.4 + + 0412 0500 48.6 742.8 808.0 108.8 16.4 + + 0412 0600 48.5 742.8 808.0 108.8 16.4 + + 0412 0700 48.5 743.2 807.0 108.6 16.4 + + 0412 0800 48.4 743.5 807.0 108.5 16.4 + + 0412 0900 48.4 743.6 806.0 108.4 16.4 + + 0412 1000 48.4 743.6 807.0 108.5 16.4 + + 0412 1100 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR McNARY WASHINGTON SIDE starting at 1100 11 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0411 1100 49.2 744.3 821.0 110.3 50.0 204.3 149.8 0411 1200 49.3 744.6 821.0 110.3 50.0 203.7 149.6 0411 1300 49.4 744.1 820.0 110.2 50.0 204.2 149.7 0411 1400 49.4 743.8 821.0 110.4 50.0 204.5 149.9 0411 1500 49.4 743.4 822.0 110.6 49.9 203.7 149.8 0411 1600 49.4 743.0 824.0 110.9 50.0 204.0 149.8 0411 1700 49.5 742.6 826.0 111.2 50.0 203.6 149.8 0411 1800 49.5 742.6 828.0 111.5 50.0 204.5 149.6 0411 1900 49.4 742.5 829.0 111.6 49.9 206.1 149.4 0411 2000 49.4 742.8 830.0 111.7 49.9 204.7 149.3 0411 2100 49.4 743.3 830.0 111.7 49.8 203.5 149.1 0411 2200 49.5 743.5 830.0 111.6 49.7 202.9 148.6 0411 2300 49.5 743.6 830.0 111.6 49.6 202.6 148.5 0412 0000 49.5 743.5 831.0 111.8 49.5 204.1 148.1 0412 0100 49.4 743.3 832.0 111.9 49.3 202.1 147.8 0412 0200 49.6 742.5 832.0 112.1 49.3 202.9 147.6 0412 0300 49.6 742.1 832.0 112.1 49.3 202.4 147.5 0412 0400 49.7 742.5 832.0 112.1 49.3 202.1 147.3 0412 0500 49.5 742.4 832.0 112.1 49.4 202.2 147.1 0412 0600 49.5 742.4 832.0 112.1 49.3 203.9 148.4 0412 0700 49.4 742.9 832.0 112.0 49.1 204.7 150.1 0412 0800 49.4 743.2 832.0 111.9 49.2 204.3 150.0 0412 0900 49.4 743.3 832.0 111.9 49.1 204.7 150.0 0412 1000 49.4 743.4 831.0 111.8 49.2 204.9 150.0 0412 1100 + + + + + 205.2 150.0 TOTAL DISSOLVED GAS REPORT FOR McNARY TAILWATER starting at 1100 11 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0411 1100 49.4 746.7 908.0 121.6 18.3 204.3 149.8 0411 1200 49.4 746.9 910.0 121.8 18.3 203.7 149.6 0411 1300 49.5 746.3 911.0 122.1 18.3 204.2 149.7 0411 1400 49.6 746.0 913.0 122.4 18.2 204.5 149.9 0411 1500 49.7 745.6 914.0 122.6 18.1 203.7 149.8 0411 1600 49.7 745.3 914.0 122.6 18.0 204.0 149.8 0411 1700 49.7 744.9 913.0 122.6 18.0 203.6 149.8 0411 1800 49.7 744.9 912.0 122.4 18.1 204.5 149.6 0411 1900 49.6 744.8 912.0 122.4 18.1 206.1 149.4 0411 2000 49.6 745.1 911.0 122.3 18.1 204.7 149.3 0411 2100 49.5 745.6 910.0 122.0 18.0 203.5 149.1 0411 2200 49.5 745.8 909.0 121.9 18.1 202.9 148.6 0411 2300 49.5 745.9 909.0 121.9 18.1 202.6 148.5 0412 0000 49.5 745.8 909.0 121.9 18.0 204.1 148.1 0412 0100 49.5 745.6 908.0 121.8 18.0 202.1 147.8 0412 0200 49.5 744.7 907.0 121.8 18.0 202.9 147.6 0412 0300 49.5 744.5 905.0 121.6 18.0 202.4 147.5 0412 0400 49.5 744.8 904.0 121.4 18.0 202.1 147.3 0412 0500 49.4 744.7 904.0 121.4 18.0 202.2 147.1 0412 0600 49.4 744.7 905.0 121.5 18.0 203.9 148.4 0412 0700 49.4 745.2 906.0 121.6 18.1 204.7 150.1 0412 0800 49.4 745.5 908.0 121.8 18.2 204.3 150.0 0412 0900 49.4 745.6 909.0 121.9 18.2 204.7 150.0 0412 1000 49.4 745.7 908.0 121.8 18.0 204.9 150.0 0412 1100 + + + + + 205.2 150.0 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY (Wingwall) starting at 1100 11 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0411 1100 49.4 748.0 823.0 110.0 31.5 208.2 146.9 0411 1200 49.4 748.0 823.0 110.0 31.4 207.3 146.8 0411 1300 49.3 747.0 823.0 110.2 31.1 207.8 146.7 0411 1400 49.4 747.0 824.0 110.3 31.4 209.5 146.8 0411 1500 49.4 746.0 824.0 110.5 31.4 209.1 146.9 0411 1600 49.3 746.0 824.0 110.5 31.4 209.0 147.0 0411 1700 49.3 745.0 823.0 110.5 31.5 209.4 146.9 0411 1800 49.4 745.0 824.0 110.6 31.4 210.5 146.9 0411 1900 49.4 745.0 824.0 110.6 31.4 211.0 146.9 0411 2000 49.4 746.0 823.0 110.3 31.4 210.6 146.9 0411 2100 49.4 746.0 823.0 110.3 31.3 208.7 147.0 0411 2200 49.3 746.0 823.0 110.3 31.1 210.2 147.0 0411 2300 49.3 746.0 824.0 110.5 31.1 208.4 147.0 0412 0000 49.3 746.0 823.0 110.3 31.3 212.6 147.0 0412 0100 49.3 746.0 825.0 110.6 30.1 209.3 147.0 0412 0200 49.5 745.0 825.0 110.7 31.2 210.0 147.0 0412 0300 49.6 745.0 825.0 110.7 31.2 211.0 147.0 0412 0400 49.6 745.0 826.0 110.9 30.7 207.8 147.0 0412 0500 49.7 745.0 825.0 110.7 31.1 209.6 147.0 0412 0600 49.6 745.0 826.0 110.9 30.4 207.3 147.1 0412 0700 49.6 746.0 826.0 110.7 31.2 217.9 156.8 0412 0800 49.6 746.0 825.0 110.6 31.2 218.3 157.0 0412 0900 49.6 746.0 825.0 110.6 31.3 218.5 156.7 0412 1000 49.7 746.0 826.0 110.7 31.1 218.4 156.7 0412 1100 + + + + + 218.1 156.7 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY TAILWATER starting at 1100 11 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0411 1100 49.5 750.0 883.0 117.7 14.2 208.2 146.9 0411 1200 49.6 750.0 884.0 117.9 14.4 207.3 146.8 0411 1300 49.6 749.0 886.0 118.3 14.7 207.8 146.7 0411 1400 49.7 749.0 887.0 118.4 14.8 209.5 146.8 0411 1500 49.7 748.0 889.0 118.9 15.0 209.1 146.9 0411 1600 49.7 748.0 887.0 118.6 15.4 209.0 147.0 0411 1700 49.6 748.0 887.0 118.6 15.4 209.4 146.9 0411 1800 49.7 748.0 888.0 118.7 15.2 210.5 146.9 0411 1900 49.7 748.0 886.0 118.4 15.0 211.0 146.9 0411 2000 49.7 748.0 890.0 119.0 14.9 210.6 146.9 0411 2100 49.7 748.0 885.0 118.3 14.8 208.7 147.0 0411 2200 49.7 749.0 886.0 118.3 14.9 210.2 147.0 0411 2300 49.7 748.0 885.0 118.3 14.7 208.4 147.0 0412 0000 49.7 748.0 885.0 118.3 14.4 212.6 147.0 0412 0100 49.8 748.0 883.0 118.0 14.2 209.3 147.0 0412 0200 49.9 748.0 886.0 118.4 14.5 210.0 147.0 0412 0300 49.9 747.0 886.0 118.6 14.6 211.0 147.0 0412 0400 50.0 747.0 884.0 118.3 14.8 207.8 147.0 0412 0500 50.0 748.0 885.0 118.3 15.1 209.6 147.0 0412 0600 50.0 748.0 885.0 118.3 15.2 207.3 147.1 0412 0700 49.9 748.0 887.0 118.6 15.1 217.9 156.8 0412 0800 49.9 748.0 887.0 118.6 14.9 218.3 157.0 0412 0900 50.0 748.0 885.0 118.3 14.8 218.5 156.7 0412 1000 50.0 749.0 886.0 118.3 14.7 218.4 156.7 0412 1100 + + + + + 218.1 156.7 TOTAL DISSOLVED GAS REPORT FOR THE DALLES starting at 1100 11 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0411 1100 49.7 751.0 878.0 116.9 15.1 169.6 72.0 0411 1200 49.7 750.0 878.0 117.1 15.4 167.5 72.0 0411 1300 49.8 750.0 878.0 117.1 15.5 167.6 72.0 0411 1400 49.9 749.0 877.0 117.1 15.9 169.0 72.0 0411 1500 50.0 749.0 877.0 117.1 16.4 166.1 72.0 0411 1600 50.0 749.0 876.0 117.0 16.0 169.8 72.0 0411 1700 50.1 748.0 876.0 117.1 16.0 207.5 72.0 0411 1800 50.0 748.0 876.0 117.1 14.8 209.0 72.0 0411 1900 50.1 748.0 876.0 117.1 14.1 215.3 72.0 0411 2000 50.0 748.0 875.0 117.0 15.4 212.3 72.0 0411 2100 50.1 749.0 875.0 116.8 15.3 208.8 72.0 0411 2200 50.1 749.0 875.0 116.8 15.0 210.8 72.0 0411 2300 50.1 749.0 875.0 116.8 14.2 221.9 72.0 0412 0000 50.1 748.0 875.0 117.0 14.6 224.8 72.0 0412 0100 50.1 748.0 876.0 117.1 15.5 183.3 74.0 0412 0200 50.1 748.0 877.0 117.2 15.6 181.3 74.0 0412 0300 50.2 748.0 877.0 117.2 15.7 179.1 74.0 0412 0400 50.2 748.0 880.0 117.6 15.8 177.3 74.0 0412 0500 50.2 748.0 881.0 117.8 16.2 177.5 74.0 0412 0600 50.2 748.0 883.0 118.0 14.5 204.5 74.0 0412 0700 50.2 748.0 885.0 118.3 15.4 224.3 74.0 0412 0800 50.2 749.0 886.0 118.3 14.8 225.2 74.0 0412 0900 50.1 749.0 886.0 118.3 13.6 227.4 74.0 0412 1000 50.1 749.0 887.0 118.4 14.9 212.6 74.0 0412 1100 + + + + + 211.8 74.0 TOTAL DISSOLVED GAS REPORT FOR 1 MILE DOWNSTREAM OF THE DALLES starting at 1100 11 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0411 1100 49.7 752.0 894.0 118.9 7.5 169.6 72.0 0411 1200 49.8 751.0 898.0 119.6 7.5 167.5 72.0 0411 1300 49.9 751.0 898.0 119.6 7.4 167.6 72.0 0411 1400 49.9 750.0 899.0 119.9 7.3 169.0 72.0 0411 1500 50.0 750.0 899.0 119.9 7.3 166.1 72.0 0411 1600 50.1 750.0 899.0 119.9 7.2 169.8 72.0 0411 1700 50.1 749.0 899.0 120.0 7.7 207.5 72.0 0411 1800 50.1 749.0 897.0 119.8 7.6 209.0 72.0 0411 1900 50.1 749.0 894.0 119.4 7.8 215.3 72.0 0411 2000 50.0 749.0 891.0 119.0 7.9 212.3 72.0 0411 2100 50.1 750.0 889.0 118.5 7.9 208.8 72.0 0411 2200 50.0 750.0 888.0 118.4 8.0 210.8 72.0 0411 2300 49.9 750.0 887.0 118.3 8.2 221.9 72.0 0412 0000 49.9 749.0 886.0 118.3 8.3 224.8 72.0 0412 0100 50.0 749.0 884.0 118.0 7.8 183.3 74.0 0412 0200 50.0 749.0 885.0 118.2 7.7 181.3 74.0 0412 0300 50.0 749.0 888.0 118.6 7.8 179.1 74.0 0412 0400 50.0 749.0 892.0 119.1 7.7 177.3 74.0 0412 0500 50.1 749.0 894.0 119.4 7.7 177.5 74.0 0412 0600 50.1 749.0 895.0 119.5 8.0 204.5 74.0 0412 0700 50.1 749.0 897.0 119.8 8.3 224.3 74.0 0412 0800 50.1 750.0 897.0 119.6 8.4 225.2 74.0 0412 0900 50.1 750.0 898.0 119.7 8.7 227.4 74.0 0412 1000 50.1 750.0 898.0 119.7 8.4 212.6 74.0 0412 1100 + + + + + 211.8 74.0 TOTAL DISSOLVED GAS REPORT FOR BONNEVILLE starting at 1100 11 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0411 1100 49.6 752.0 821.0 109.2 10.6 189.0 144.3 0411 1200 49.6 752.0 821.0 109.2 9.0 188.6 144.2 0411 1300 49.6 751.0 821.0 109.3 10.4 188.9 144.3 0411 1400 49.7 751.0 822.0 109.5 11.1 188.7 144.1 0411 1500 49.8 750.0 824.0 109.9 8.4 188.8 143.9 0411 1600 49.9 750.0 827.0 110.3 8.1 188.6 143.8 0411 1700 49.9 749.0 833.0 111.2 10.9 188.3 143.7 0411 1800 50.0 749.0 836.0 111.6 8.3 188.8 143.8 0411 1900 50.0 749.0 841.0 112.3 8.6 204.5 148.7 0411 2000 50.1 749.0 842.0 112.4 11.2 208.3 149.0 0411 2100 50.1 750.0 843.0 112.4 7.8 208.3 149.2 0411 2200 50.1 751.0 845.0 112.5 11.1 208.3 149.2 0411 2300 50.1 750.0 846.0 112.8 11.4 208.6 149.2 0412 0000 50.1 750.0 845.0 112.7 9.9 208.4 149.4 0412 0100 50.1 749.0 846.0 113.0 12.1 195.6 150.0 0412 0200 50.1 749.0 846.0 113.0 10.0 195.3 150.3 0412 0300 50.1 749.0 846.0 113.0 11.1 194.8 149.9 0412 0400 50.1 749.0 846.0 113.0 9.5 194.7 149.9 0412 0500 50.1 749.0 847.0 113.1 10.9 195.0 149.9 0412 0600 50.1 749.0 848.0 113.2 9.2 194.9 149.8 0412 0700 50.1 749.0 849.0 113.4 8.9 208.1 149.4 0412 0800 50.1 750.0 850.0 113.3 9.7 222.8 149.3 0412 0900 50.0 750.0 850.0 113.3 10.1 223.5 149.4 0412 1000 50.1 750.0 851.0 113.5 11.5 210.1 149.9 0412 1100 + + + + + 196.1 150.3 TOTAL DISSOLVED GAS REPORT FOR WARRENDALE starting at 1100 11 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0411 1100 49.8 755.0 916.0 121.3 7.5 189.0 144.3 0411 1200 49.8 755.0 917.0 121.5 7.5 188.6 144.2 0411 1300 49.9 755.0 917.0 121.5 7.5 188.9 144.3 0411 1400 49.9 755.0 919.0 121.7 7.5 188.7 144.1 0411 1500 50.1 754.0 920.0 122.0 7.5 188.8 143.9 0411 1600 50.1 753.0 920.0 122.2 7.4 188.6 143.8 0411 1700 50.2 753.0 921.0 122.3 7.4 188.3 143.7 0411 1800 50.4 753.0 920.0 122.2 7.4 188.8 143.8 0411 1900 50.1 753.0 918.0 121.9 7.4 204.5 148.7 0411 2000 50.1 753.0 916.0 121.6 7.4 208.3 149.0 0411 2100 50.1 754.0 915.0 121.4 7.4 208.3 149.2 0411 2200 50.1 754.0 913.0 121.1 7.4 208.3 149.2 0411 2300 50.1 754.0 913.0 121.1 7.4 208.6 149.2 0412 0000 50.1 754.0 914.0 121.2 7.4 208.4 149.4 0412 0100 50.1 753.0 914.0 121.4 7.4 195.6 150.0 0412 0200 50.1 753.0 915.0 121.5 7.4 195.3 150.3 0412 0300 50.1 752.0 915.0 121.7 7.3 194.8 149.9 0412 0400 50.1 752.0 917.0 121.9 7.3 194.7 149.9 0412 0500 50.1 752.0 918.0 122.1 7.4 195.0 149.9 0412 0600 50.1 753.0 920.0 122.2 7.4 194.9 149.8 0412 0700 50.1 753.0 921.0 122.3 7.4 208.1 149.4 0412 0800 50.1 754.0 921.0 122.1 7.4 222.8 149.3 0412 0900 50.1 754.0 920.0 122.0 7.4 223.5 149.4 0412 1000 50.2 754.0 919.0 121.9 7.4 210.1 149.9 0412 1100 + + + + + 196.1 150.3 TOTAL DISSOLVED GAS REPORT FOR CAMAS/WASHOUGAL starting at 1100 11 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0411 1100 + + + + + 189.0 144.3 0411 1200 + + + + + 188.6 144.2 0411 1300 + + + + + 188.9 144.3 0411 1400 + + + + + 188.7 144.1 0411 1500 + + + + + 188.8 143.9 0411 1600 + + + + + 188.6 143.8 0411 1700 + + + + + 188.3 143.7 0411 1800 + + + + + 188.8 143.8 0411 1900 + + + + + 204.5 148.7 0411 2000 + + + + + 208.3 149.0 0411 2100 + + + + + 208.3 149.2 0411 2200 + + + + + 208.3 149.2 0411 2300 + + + + + 208.6 149.2 0412 0000 + + + + + 208.4 149.4 0412 0100 + + + + + 195.6 150.0 0412 0200 + + + + + 195.3 150.3 0412 0300 + + + + + 194.8 149.9 0412 0400 + + + + + 194.7 149.9 0412 0500 + + + + + 195.0 149.9 0412 0600 + + + + + 194.9 149.8 0412 0700 + + + + + 208.1 149.4 0412 0800 + + + + + 222.8 149.3 0412 0900 + + + + + 223.5 149.4 0412 1000 + + + + + 210.1 149.9 0412 1100 + + + + + 196.1 150.3 TOTAL DISSOLVED GAS REPORT FOR CASCADE ISLAND, WA starting at 1100 11 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0411 1100 49.6 754.0 909.0 120.6 26.7 189.0 144.3 0411 1200 49.6 753.0 908.0 120.6 26.8 188.6 144.2 0411 1300 49.7 753.0 909.0 120.7 26.8 188.9 144.3 0411 1400 49.7 753.0 908.0 120.6 26.5 188.7 144.1 0411 1500 49.8 752.0 907.0 120.6 26.3 188.8 143.9 0411 1600 49.9 752.0 907.0 120.6 27.0 188.6 143.8 0411 1700 50.0 751.0 907.0 120.8 26.4 188.3 143.7 0411 1800 50.0 751.0 908.0 120.9 27.2 188.8 143.8 0411 1900 50.1 751.0 903.0 120.2 27.6 204.5 148.7 0411 2000 50.1 751.0 902.0 120.1 27.5 208.3 149.0 0411 2100 50.1 752.0 903.0 120.1 27.9 208.3 149.2 0411 2200 50.1 753.0 904.0 120.1 27.9 208.3 149.2 0411 2300 50.2 752.0 904.0 120.2 27.7 208.6 149.2 0412 0000 50.1 752.0 904.0 120.2 27.8 208.4 149.4 0412 0100 50.1 751.0 909.0 121.0 26.9 195.6 150.0 0412 0200 50.1 751.0 909.0 121.0 27.2 195.3 150.3 0412 0300 50.1 751.0 908.0 120.9 27.0 194.8 149.9 0412 0400 50.2 751.0 910.0 121.2 26.8 194.7 149.9 0412 0500 50.2 751.0 910.0 121.2 27.2 195.0 149.9 0412 0600 50.1 751.0 910.0 121.2 27.0 194.9 149.8 0412 0700 50.1 751.0 903.0 120.2 27.7 208.1 149.4 0412 0800 50.1 752.0 905.0 120.3 28.4 222.8 149.3 0412 0900 50.1 752.0 905.0 120.3 28.6 223.5 149.4 0412 1000 50.1 752.0 905.0 120.3 28.0 210.1 149.9 0412 1100 + + + + + 196.1 150.3