TOTAL DISSOLVED GAS REPORT FOR PASCO, WA starting at 0900 9 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0409 0900 47.1 754.4 791.0 104.9 15.5 + + 0409 1000 47.2 754.3 792.0 105.0 15.5 + + 0409 1100 47.4 754.0 796.0 105.6 15.5 + + 0409 1200 47.6 753.4 801.0 106.3 15.5 + + 0409 1300 47.8 752.8 806.0 107.1 15.6 + + 0409 1400 48.0 752.1 812.0 108.0 15.8 + + 0409 1500 48.1 751.5 816.0 108.6 15.8 + + 0409 1600 48.2 751.0 820.0 109.2 15.9 + + 0409 1700 48.1 750.4 822.0 109.5 16.0 + + 0409 1800 48.1 750.0 823.0 109.7 16.1 + + 0409 1900 48.0 749.7 823.0 109.8 16.1 + + 0409 2000 48.0 749.5 822.0 109.7 16.0 + + 0409 2100 47.9 749.7 821.0 109.5 16.0 + + 0409 2200 47.8 750.1 820.0 109.3 16.0 + + 0409 2300 47.8 750.1 818.0 109.1 15.9 + + 0410 0000 47.7 750.1 817.0 108.9 15.9 + + 0410 0100 47.6 750.1 815.0 108.7 16.0 + + 0410 0200 47.6 750.0 814.0 108.5 16.0 + + 0410 0300 47.6 749.8 813.0 108.4 16.0 + + 0410 0400 47.6 749.8 812.0 108.3 16.0 + + 0410 0500 47.6 749.6 812.0 108.3 16.1 + + 0410 0600 47.5 749.5 811.0 108.2 16.1 + + 0410 0700 47.5 749.2 811.0 108.2 16.1 + + 0410 0800 47.5 749.3 810.0 108.1 16.1 + + 0410 0900 47.5 749.0 811.0 108.3 16.2 + + TOTAL DISSOLVED GAS REPORT FOR McNARY WASHINGTON SIDE starting at 0900 9 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0409 0900 49.3 753.9 820.0 108.8 48.7 173.0 8.1 0409 1000 49.3 753.7 819.0 108.7 48.8 173.0 8.2 0409 1100 49.2 753.5 819.0 108.7 48.9 167.0 8.3 0409 1200 49.3 753.1 819.0 108.8 48.9 156.0 8.3 0409 1300 49.3 752.7 819.0 108.8 49.0 139.7 8.4 0409 1400 49.4 752.0 819.0 108.9 49.0 140.5 8.5 0409 1500 49.4 751.4 820.0 109.1 49.1 142.5 8.6 0409 1600 50.0 750.8 825.0 109.9 49.2 141.3 8.7 0409 1700 50.0 750.4 828.0 110.3 49.3 142.6 8.8 0409 1800 50.6 749.9 834.0 111.2 49.2 161.9 8.8 0409 1900 50.4 749.3 835.0 111.4 49.2 185.2 8.8 0409 2000 50.3 748.9 835.0 111.5 49.3 187.2 8.9 0409 2100 50.8 749.3 837.0 111.7 49.3 185.9 8.9 0409 2200 50.6 749.7 837.0 111.6 49.3 187.2 8.9 0409 2300 49.9 749.6 834.0 111.3 49.3 186.0 8.9 0410 0000 50.3 749.6 833.0 111.1 49.5 164.6 9.7 0410 0100 50.0 749.9 832.0 110.9 49.3 173.1 110.2 0410 0200 49.9 749.8 831.0 110.8 49.3 175.2 119.6 0410 0300 49.6 749.6 829.0 110.6 49.3 175.5 120.0 0410 0400 49.5 749.5 828.0 110.5 49.4 175.1 120.0 0410 0500 49.4 749.3 827.0 110.4 49.4 175.2 120.1 0410 0600 49.5 748.9 827.0 110.4 49.4 175.7 120.2 0410 0700 49.5 749.0 827.0 110.4 49.3 175.6 120.4 0410 0800 49.5 749.0 827.0 110.4 49.4 175.8 120.5 0410 0900 49.4 748.7 827.0 110.5 49.4 175.0 120.6 TOTAL DISSOLVED GAS REPORT FOR McNARY TAILWATER starting at 0900 9 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0409 0900 49.2 756.3 836.0 110.5 18.3 173.0 8.1 0409 1000 49.2 756.1 836.0 110.6 18.3 173.0 8.2 0409 1100 49.3 755.9 837.0 110.7 18.0 167.0 8.3 0409 1200 49.4 755.3 837.0 110.8 17.8 156.0 8.3 0409 1300 49.4 755.0 837.0 110.9 17.7 139.7 8.4 0409 1400 49.5 754.2 838.0 111.1 17.8 140.5 8.5 0409 1500 49.7 753.6 840.0 111.5 17.8 142.5 8.6 0409 1600 49.8 753.0 840.0 111.6 17.7 141.3 8.7 0409 1700 49.7 752.6 840.0 111.6 17.8 142.6 8.8 0409 1800 49.7 752.2 840.0 111.7 18.1 161.9 8.8 0409 1900 49.8 751.8 840.0 111.7 18.4 185.2 8.8 0409 2000 49.9 751.6 841.0 111.9 18.3 187.2 8.9 0409 2100 49.8 752.0 843.0 112.1 18.2 185.9 8.9 0409 2200 49.9 752.0 844.0 112.2 18.2 187.2 8.9 0409 2300 50.0 751.9 844.0 112.2 18.1 186.0 8.9 0410 0000 50.1 751.9 844.0 112.2 17.5 164.6 9.7 0410 0100 50.1 752.3 864.0 114.8 18.0 173.1 110.2 0410 0200 49.9 752.2 893.0 118.7 18.0 175.2 119.6 0410 0300 49.9 752.0 898.0 119.4 17.8 175.5 120.0 0410 0400 49.6 751.9 917.0 122.0 17.9 175.1 120.0 0410 0500 49.6 751.6 941.0 125.2 18.0 175.2 120.1 0410 0600 49.4 751.2 948.0 126.2 17.9 175.7 120.2 0410 0700 49.4 751.3 951.0 126.6 18.0 175.6 120.4 0410 0800 49.4 751.4 953.0 126.8 18.0 175.8 120.5 0410 0900 49.4 751.1 955.0 127.1 18.0 175.0 120.6 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY (Wingwall) starting at 0900 9 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0409 0900 48.5 757.0 817.0 107.9 31.9 188.1 9.8 0409 1000 48.5 757.0 817.0 107.9 31.9 160.7 9.8 0409 1100 48.3 756.0 816.0 107.9 31.9 141.2 9.8 0409 1200 48.5 756.0 816.0 107.9 31.9 136.0 9.8 0409 1300 48.3 755.0 817.0 108.2 31.9 137.9 9.8 0409 1400 48.5 755.0 817.0 108.2 31.9 141.0 9.8 0409 1500 49.2 754.0 819.0 108.6 31.9 141.6 9.8 0409 1600 50.2 753.0 826.0 109.7 31.8 140.9 9.8 0409 1700 50.6 753.0 830.0 110.2 31.7 158.4 9.8 0409 1800 50.5 752.0 830.0 110.4 31.7 181.9 9.8 0409 1900 50.6 752.0 829.0 110.2 31.7 199.6 9.8 0409 2000 50.7 752.0 828.0 110.1 31.7 200.8 9.8 0409 2100 49.6 752.0 825.0 109.7 31.8 204.0 9.8 0409 2200 50.5 752.0 827.0 110.0 31.7 196.8 9.8 0409 2300 50.3 753.0 827.0 109.8 31.8 198.8 9.8 0410 0000 49.7 753.0 826.0 109.7 31.8 192.0 27.8 0410 0100 50.2 753.0 827.0 109.8 31.8 185.3 117.2 0410 0200 49.7 753.0 826.0 109.7 31.7 181.4 118.1 0410 0300 49.4 752.0 824.0 109.6 31.7 179.9 118.1 0410 0400 49.1 752.0 823.0 109.4 31.7 180.0 118.1 0410 0500 49.1 752.0 822.0 109.3 31.7 180.1 118.1 0410 0600 49.1 752.0 822.0 109.3 31.7 180.2 118.1 0410 0700 49.0 752.0 821.0 109.2 31.7 179.5 118.1 0410 0800 48.9 752.0 820.0 109.0 31.7 179.4 118.1 0410 0900 48.9 752.0 820.0 109.0 31.7 181.5 118.5 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY TAILWATER starting at 0900 9 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0409 0900 48.5 759.0 847.0 111.6 15.3 188.1 9.8 0409 1000 48.5 759.0 849.0 111.9 15.0 160.7 9.8 0409 1100 48.5 759.0 849.0 111.9 14.8 141.2 9.8 0409 1200 48.6 758.0 849.0 112.0 14.4 136.0 9.8 0409 1300 48.6 758.0 848.0 111.9 14.2 137.9 9.8 0409 1400 48.8 757.0 848.0 112.0 13.9 141.0 9.8 0409 1500 48.9 756.0 848.0 112.2 13.6 141.6 9.8 0409 1600 49.0 756.0 848.0 112.2 13.4 140.9 9.8 0409 1700 49.0 755.0 846.0 112.1 13.4 158.4 9.8 0409 1800 49.1 754.0 845.0 112.1 13.6 181.9 9.8 0409 1900 49.2 754.0 845.0 112.1 13.9 199.6 9.8 0409 2000 49.2 754.0 846.0 112.2 14.1 200.8 9.8 0409 2100 49.3 755.0 844.0 111.8 14.4 204.0 9.8 0409 2200 49.2 755.0 845.0 111.9 14.6 196.8 9.8 0409 2300 49.2 755.0 845.0 111.9 14.8 198.8 9.8 0410 0000 49.3 755.0 848.0 112.3 15.6 192.0 27.8 0410 0100 49.2 755.0 884.0 117.1 14.9 185.3 117.2 0410 0200 49.2 755.0 894.0 118.4 15.1 181.4 118.1 0410 0300 49.1 754.0 888.0 117.8 14.8 179.9 118.1 0410 0400 49.0 754.0 888.0 117.8 14.7 180.0 118.1 0410 0500 49.0 754.0 889.0 117.9 14.5 180.1 118.1 0410 0600 49.0 754.0 889.0 117.9 14.0 180.2 118.1 0410 0700 49.0 754.0 887.0 117.6 13.9 179.5 118.1 0410 0800 49.0 754.0 885.0 117.4 13.6 179.4 118.1 0410 0900 49.0 754.0 885.0 117.4 13.1 181.5 118.5 TOTAL DISSOLVED GAS REPORT FOR THE DALLES starting at 0900 9 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0409 0900 48.8 759.0 819.0 107.9 16.0 167.2 0.0 0409 1000 48.8 759.0 820.0 108.0 17.1 166.3 0.0 0409 1100 48.9 759.0 820.0 108.0 16.9 165.9 0.0 0409 1200 48.8 758.0 821.0 108.3 15.8 166.5 0.0 0409 1300 48.8 758.0 821.0 108.3 15.5 166.9 0.0 0409 1400 48.9 757.0 822.0 108.6 15.8 168.1 0.0 0409 1500 48.8 756.0 823.0 108.9 15.6 169.3 0.0 0409 1600 49.0 756.0 823.0 108.9 15.3 170.0 0.0 0409 1700 49.0 755.0 823.0 109.0 14.8 171.4 0.0 0409 1800 48.9 755.0 823.0 109.0 14.3 172.1 0.0 0409 1900 48.9 755.0 823.0 109.0 15.1 171.7 0.0 0409 2000 49.0 755.0 823.0 109.0 15.2 172.6 0.0 0409 2100 49.0 755.0 823.0 109.0 15.7 171.2 0.0 0409 2200 49.0 755.0 823.0 109.0 15.6 168.5 0.0 0409 2300 49.0 755.0 822.0 108.9 16.1 167.9 0.0 0410 0000 49.0 756.0 822.0 108.7 16.2 164.1 0.0 0410 0100 49.0 756.0 822.0 108.7 16.8 179.0 67.9 0410 0200 49.0 755.0 822.0 108.9 16.2 178.3 68.0 0410 0300 49.1 755.0 822.0 108.9 16.4 178.9 68.0 0410 0400 49.1 755.0 822.0 108.9 15.7 179.2 68.0 0410 0500 49.2 754.0 822.0 109.0 15.8 204.4 68.0 0410 0600 49.2 755.0 822.0 108.9 15.7 208.4 68.0 0410 0700 49.2 754.0 822.0 109.0 15.1 207.0 68.0 0410 0800 49.3 754.0 823.0 109.2 13.8 208.5 68.0 0410 0900 49.3 754.0 823.0 109.2 14.0 200.7 68.0 TOTAL DISSOLVED GAS REPORT FOR 1 MILE DOWNSTREAM OF THE DALLES starting at 0900 9 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0409 0900 48.6 760.0 823.0 108.3 8.0 167.2 0.0 0409 1000 48.7 760.0 824.0 108.4 7.8 166.3 0.0 0409 1100 48.8 760.0 826.0 108.7 7.8 165.9 0.0 0409 1200 48.9 759.0 826.0 108.8 7.8 166.5 0.0 0409 1300 48.9 759.0 827.0 109.0 8.0 166.9 0.0 0409 1400 49.0 758.0 828.0 109.2 8.0 168.1 0.0 0409 1500 49.0 757.0 828.0 109.4 8.1 169.3 0.0 0409 1600 49.1 757.0 829.0 109.5 8.2 170.0 0.0 0409 1700 48.9 756.0 828.0 109.5 8.4 171.4 0.0 0409 1800 49.0 756.0 827.0 109.4 8.4 172.1 0.0 0409 1900 49.0 756.0 826.0 109.3 8.5 171.7 0.0 0409 2000 49.0 755.0 825.0 109.3 8.3 172.6 0.0 0409 2100 49.0 756.0 824.0 109.0 8.2 171.2 0.0 0409 2200 49.0 756.0 823.0 108.9 8.2 168.5 0.0 0409 2300 48.9 756.0 823.0 108.9 8.1 167.9 0.0 0410 0000 48.9 757.0 823.0 108.7 8.0 164.1 0.0 0410 0100 48.9 757.0 823.0 108.7 8.3 179.0 67.9 0410 0200 48.9 756.0 833.0 110.2 8.7 178.3 68.0 0410 0300 48.9 756.0 855.0 113.1 8.3 178.9 68.0 0410 0400 48.9 756.0 861.0 113.9 8.3 179.2 68.0 0410 0500 49.0 755.0 862.0 114.2 8.6 204.4 68.0 0410 0600 49.0 756.0 860.0 113.8 8.8 208.4 68.0 0410 0700 49.1 756.0 858.0 113.5 8.8 207.0 68.0 0410 0800 49.1 755.0 856.0 113.4 8.9 208.5 68.0 0410 0900 49.2 755.0 856.0 113.4 8.8 200.7 68.0 TOTAL DISSOLVED GAS REPORT FOR BONNEVILLE starting at 0900 9 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0409 0900 48.9 759.0 820.0 108.0 14.8 198.9 2.3 0409 1000 49.0 759.0 820.0 108.0 15.0 179.2 2.3 0409 1100 49.0 758.0 820.0 108.2 15.1 174.5 2.3 0409 1200 49.0 758.0 820.0 108.2 15.1 151.4 2.3 0409 1300 49.0 757.0 820.0 108.3 15.3 152.1 2.3 0409 1400 49.1 757.0 820.0 108.3 15.4 151.7 2.3 0409 1500 49.1 756.0 820.0 108.5 15.6 152.5 2.3 0409 1600 49.2 755.0 820.0 108.6 15.6 151.7 2.3 0409 1700 49.2 755.0 820.0 108.6 15.5 154.2 2.3 0409 1800 49.3 755.0 820.0 108.6 14.9 171.3 2.3 0409 1900 49.4 755.0 819.0 108.5 15.0 196.3 2.3 0409 2000 49.4 755.0 818.0 108.3 14.9 198.3 2.3 0409 2100 49.4 755.0 817.0 108.2 14.8 198.8 2.3 0409 2200 49.4 755.0 816.0 108.1 15.0 195.1 1.1 0409 2300 49.4 755.0 815.0 107.9 15.2 192.0 0.0 0410 0000 49.4 756.0 815.0 107.8 15.8 172.2 0.0 0410 0100 49.3 756.0 814.0 107.7 12.4 157.9 104.9 0410 0200 49.3 755.0 814.0 107.8 12.4 190.6 145.3 0410 0300 49.3 755.0 813.0 107.7 11.4 190.3 145.4 0410 0400 49.3 755.0 814.0 107.8 11.7 190.5 145.4 0410 0500 49.3 755.0 815.0 107.9 12.1 190.5 145.4 0410 0600 49.2 755.0 816.0 108.1 11.4 190.5 145.4 0410 0700 49.2 754.0 817.0 108.4 10.8 190.8 145.7 0410 0800 49.2 754.0 818.0 108.5 11.9 190.9 145.9 0410 0900 49.2 754.0 819.0 108.6 14.0 190.9 146.0 TOTAL DISSOLVED GAS REPORT FOR WARRENDALE starting at 0900 9 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0409 0900 48.9 762.0 834.0 109.4 7.8 198.9 2.3 0409 1000 49.0 762.0 833.0 109.3 7.8 179.2 2.3 0409 1100 49.2 761.0 833.0 109.5 7.8 174.5 2.3 0409 1200 49.2 761.0 834.0 109.6 7.7 151.4 2.3 0409 1300 49.3 760.0 836.0 110.0 7.7 152.1 2.3 0409 1400 49.4 760.0 839.0 110.4 7.7 151.7 2.3 0409 1500 49.5 759.0 840.0 110.7 7.7 152.5 2.3 0409 1600 49.4 759.0 842.0 110.9 7.6 151.7 2.3 0409 1700 49.6 758.0 844.0 111.3 7.6 154.2 2.3 0409 1800 49.5 758.0 845.0 111.5 7.6 171.3 2.3 0409 1900 49.7 758.0 846.0 111.6 7.6 196.3 2.3 0409 2000 49.5 758.0 845.0 111.5 7.6 198.3 2.3 0409 2100 49.4 758.0 843.0 111.2 7.6 198.8 2.3 0409 2200 49.4 758.0 838.0 110.6 7.6 195.1 1.1 0409 2300 49.4 759.0 834.0 109.9 7.6 192.0 0.0 0410 0000 49.4 759.0 831.0 109.5 7.7 172.2 0.0 0410 0100 49.4 759.0 831.0 109.5 7.6 157.9 104.9 0410 0200 49.4 759.0 831.0 109.5 7.6 190.6 145.3 0410 0300 49.4 758.0 832.0 109.8 7.6 190.3 145.4 0410 0400 49.3 758.0 871.0 114.9 7.6 190.5 145.4 0410 0500 49.3 758.0 886.0 116.9 7.6 190.5 145.4 0410 0600 49.3 758.0 904.0 119.3 7.6 190.5 145.4 0410 0700 49.3 758.0 910.0 120.1 7.6 190.8 145.7 0410 0800 49.3 758.0 914.0 120.6 7.6 190.9 145.9 0410 0900 49.3 758.0 917.0 121.0 7.6 190.9 146.0 TOTAL DISSOLVED GAS REPORT FOR CAMAS/WASHOUGAL starting at 0900 9 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0409 0900 + + + + + 198.9 2.3 0409 1000 + + + + + 179.2 2.3 0409 1100 + + + + + 174.5 2.3 0409 1200 + + + + + 151.4 2.3 0409 1300 + + + + + 152.1 2.3 0409 1400 + + + + + 151.7 2.3 0409 1500 + + + + + 152.5 2.3 0409 1600 + + + + + 151.7 2.3 0409 1700 + + + + + 154.2 2.3 0409 1800 + + + + + 171.3 2.3 0409 1900 + + + + + 196.3 2.3 0409 2000 + + + + + 198.3 2.3 0409 2100 + + + + + 198.8 2.3 0409 2200 + + + + + 195.1 1.1 0409 2300 + + + + + 192.0 0.0 0410 0000 + + + + + 172.2 0.0 0410 0100 + + + + + 157.9 104.9 0410 0200 + + + + + 190.6 145.3 0410 0300 + + + + + 190.3 145.4 0410 0400 + + + + + 190.5 145.4 0410 0500 + + + + + 190.5 145.4 0410 0600 + + + + + 190.5 145.4 0410 0700 + + + + + 190.8 145.7 0410 0800 + + + + + 190.9 145.9 0410 0900 + + + + + 190.9 146.0 TOTAL DISSOLVED GAS REPORT FOR CASCADE ISLAND, WA starting at 0900 9 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0409 0900 49.0 761.0 819.0 107.6 25.8 198.9 2.3 0409 1000 49.0 760.0 820.0 107.9 24.7 179.2 2.3 0409 1100 49.0 760.0 820.0 107.9 24.4 174.5 2.3 0409 1200 49.1 759.0 819.0 107.9 23.5 151.4 2.3 0409 1300 49.2 759.0 817.0 107.6 23.4 152.1 2.3 0409 1400 49.2 758.0 816.0 107.7 23.2 151.7 2.3 0409 1500 49.3 758.0 815.0 107.5 23.2 152.5 2.3 0409 1600 49.3 757.0 814.0 107.5 23.1 151.7 2.3 0409 1700 49.4 757.0 813.0 107.4 23.2 154.2 2.3 0409 1800 49.4 756.0 812.0 107.4 24.1 171.3 2.3 0409 1900 49.5 756.0 813.0 107.5 25.3 196.3 2.3 0409 2000 49.5 756.0 814.0 107.7 25.3 198.3 2.3 0409 2100 49.5 757.0 815.0 107.7 25.3 198.8 2.3 0409 2200 49.5 757.0 815.0 107.7 25.1 195.1 1.1 0409 2300 49.4 757.0 813.0 107.4 24.9 192.0 0.0 0410 0000 49.4 758.0 812.0 107.1 23.8 172.2 0.0 0410 0100 49.4 757.0 908.0 119.9 26.7 157.9 104.9 0410 0200 49.3 757.0 911.0 120.3 26.9 190.6 145.3 0410 0300 49.3 757.0 910.0 120.2 26.6 190.3 145.4 0410 0400 49.3 756.0 911.0 120.5 26.8 190.5 145.4 0410 0500 49.3 756.0 911.0 120.5 27.2 190.5 145.4 0410 0600 49.3 756.0 911.0 120.5 26.5 190.5 145.4 0410 0700 49.3 756.0 911.0 120.5 26.8 190.8 145.7 0410 0800 49.2 756.0 910.0 120.4 26.7 190.9 145.9 0410 0900 49.2 756.0 912.0 120.6 26.6 190.9 146.0