TOTAL DISSOLVED GAS REPORT FOR PASCO, WA starting at 0600 4 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0404 0600 45.3 761.8 816.0 107.1 17.0 + + 0404 0700 45.2 762.2 813.0 106.7 17.1 + + 0404 0800 45.2 762.2 810.0 106.3 17.1 + + 0404 0900 45.2 762.3 809.0 106.1 17.2 + + 0404 1000 45.3 762.1 811.0 106.4 17.2 + + 0404 1100 45.4 762.0 816.0 107.1 17.2 + + 0404 1200 45.6 761.6 820.0 107.7 17.2 + + 0404 1300 45.8 760.9 825.0 108.4 17.2 + + 0404 1400 46.0 760.3 829.0 109.0 17.3 + + 0404 1500 46.1 759.5 832.0 109.5 17.2 + + 0404 1600 46.0 758.8 833.0 109.8 17.2 + + 0404 1700 46.3 758.3 833.0 109.9 17.2 + + 0404 1800 46.2 757.9 830.0 109.5 17.2 + + 0404 1900 46.1 757.6 827.0 109.2 17.1 + + 0404 2000 46.1 757.7 823.0 108.6 17.1 + + 0404 2100 46.0 758.0 820.0 108.2 17.1 + + 0404 2200 46.0 758.0 817.0 107.8 17.1 + + 0404 2300 45.9 758.0 814.0 107.4 17.1 + + 0405 0000 45.9 757.8 810.0 106.9 17.0 + + 0405 0100 45.9 757.8 808.0 106.6 17.0 + + 0405 0200 45.9 757.8 805.0 106.2 17.0 + + 0405 0300 45.9 757.6 803.0 106.0 17.0 + + 0405 0400 45.9 757.5 802.0 105.9 17.0 + + 0405 0500 45.8 757.5 800.0 105.6 16.9 + + 0405 0600 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR McNARY WASHINGTON SIDE starting at 0600 4 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0404 0600 47.1 761.6 808.0 106.1 50.2 197.2 9.3 0404 0700 47.1 761.9 808.0 106.1 50.2 196.8 9.3 0404 0800 47.0 762.0 808.0 106.0 50.3 196.7 9.3 0404 0900 47.0 761.9 808.0 106.1 50.3 196.9 9.4 0404 1000 47.2 761.7 809.0 106.2 50.4 196.7 9.4 0404 1100 47.0 761.5 809.0 106.2 50.4 197.1 9.4 0404 1200 47.1 761.0 810.0 106.4 50.4 197.0 9.5 0404 1300 47.2 760.4 809.0 106.4 50.4 196.7 9.5 0404 1400 46.9 759.7 809.0 106.5 50.5 196.7 9.6 0404 1500 47.0 759.1 809.0 106.6 50.4 196.6 9.6 0404 1600 46.9 758.3 810.0 106.8 50.4 196.5 9.6 0404 1700 47.3 758.1 813.0 107.2 50.4 196.8 9.6 0404 1800 47.2 757.7 813.0 107.3 50.3 196.1 9.7 0404 1900 47.2 757.4 813.0 107.3 50.4 196.4 9.7 0404 2000 47.4 757.5 813.0 107.3 50.4 196.8 9.7 0404 2100 47.2 757.7 813.0 107.3 50.4 196.7 9.6 0404 2200 47.1 757.6 812.0 107.2 50.4 196.5 9.6 0404 2300 47.2 757.6 812.0 107.2 50.4 196.7 9.6 0405 0000 47.2 757.4 811.0 107.1 50.3 196.7 9.6 0405 0100 46.9 757.3 811.0 107.1 50.3 196.8 9.6 0405 0200 46.9 757.4 811.0 107.1 50.3 197.0 9.6 0405 0300 46.9 757.1 810.0 107.0 50.3 197.1 9.5 0405 0400 47.0 757.2 810.0 107.0 50.2 197.2 9.5 0405 0500 47.0 757.2 811.0 107.1 50.2 196.9 9.5 0405 0600 + + + + + 197.1 9.5 TOTAL DISSOLVED GAS REPORT FOR McNARY TAILWATER starting at 0600 4 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0404 0600 46.8 764.0 832.0 108.9 19.4 197.2 9.3 0404 0700 46.8 764.3 831.0 108.7 19.3 196.8 9.3 0404 0800 46.8 764.3 831.0 108.7 19.3 196.7 9.3 0404 0900 46.8 764.3 832.0 108.9 19.3 196.9 9.4 0404 1000 46.9 764.0 833.0 109.0 19.3 196.7 9.4 0404 1100 46.9 763.8 835.0 109.3 19.4 197.1 9.4 0404 1200 47.0 763.3 836.0 109.5 19.4 197.0 9.5 0404 1300 47.0 762.5 837.0 109.8 19.3 196.7 9.5 0404 1400 47.0 762.0 838.0 110.0 19.3 196.7 9.6 0404 1500 47.1 761.4 838.0 110.1 19.2 196.6 9.6 0404 1600 47.1 760.7 838.0 110.2 19.2 196.5 9.6 0404 1700 47.1 760.4 837.0 110.1 19.2 196.8 9.6 0404 1800 47.0 760.0 836.0 110.0 19.3 196.1 9.7 0404 1900 47.0 759.7 837.0 110.2 19.3 196.4 9.7 0404 2000 47.0 759.8 836.0 110.0 19.2 196.8 9.7 0404 2100 47.0 760.0 836.0 110.0 19.3 196.7 9.6 0404 2200 47.1 759.9 836.0 110.0 19.2 196.5 9.6 0404 2300 47.0 759.8 836.0 110.0 19.2 196.7 9.6 0405 0000 47.0 759.7 835.0 109.9 19.2 196.7 9.6 0405 0100 47.0 759.6 835.0 109.9 19.2 196.8 9.6 0405 0200 46.9 759.8 835.0 109.9 19.1 197.0 9.6 0405 0300 46.9 759.4 835.0 110.0 19.2 197.1 9.5 0405 0400 46.9 759.5 835.0 109.9 19.2 197.2 9.5 0405 0500 46.9 759.5 835.0 109.9 19.2 196.9 9.5 0405 0600 + + + + + 197.1 9.5 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY (Wingwall) starting at 0600 4 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0404 0600 46.8 765.0 824.0 107.7 32.2 213.4 9.8 0404 0700 46.8 765.0 823.0 107.6 32.2 213.9 9.8 0404 0800 46.8 765.0 823.0 107.6 32.2 217.5 9.8 0404 0900 46.8 765.0 822.0 107.5 32.2 196.2 9.8 0404 1000 46.8 765.0 823.0 107.6 32.3 199.0 9.8 0404 1100 46.8 764.0 823.0 107.7 32.3 198.6 9.8 0404 1200 46.8 764.0 822.0 107.6 32.2 196.6 9.8 0404 1300 46.8 763.0 822.0 107.7 32.2 197.0 9.8 0404 1400 46.8 762.0 822.0 107.9 32.2 196.0 9.8 0404 1500 46.9 761.0 822.0 108.0 32.2 197.2 9.8 0404 1600 47.0 761.0 823.0 108.1 32.2 196.7 9.8 0404 1700 47.4 760.0 826.0 108.7 32.2 195.1 9.8 0404 1800 47.7 760.0 830.0 109.2 32.1 201.1 9.8 0404 1900 47.8 760.0 830.0 109.2 32.1 213.3 9.8 0404 2000 47.6 760.0 829.0 109.1 32.1 213.2 9.8 0404 2100 47.6 760.0 828.0 108.9 32.1 214.1 9.8 0404 2200 47.7 760.0 827.0 108.8 32.1 219.4 9.8 0404 2300 47.8 761.0 829.0 108.9 32.1 219.5 9.8 0405 0000 47.6 760.0 829.0 109.1 32.1 216.5 9.8 0405 0100 47.2 760.0 827.0 108.8 32.1 207.5 9.8 0405 0200 47.5 760.0 828.0 108.9 32.1 203.4 9.8 0405 0300 47.6 760.0 828.0 108.9 32.1 204.3 9.8 0405 0400 47.8 760.0 830.0 109.2 32.1 207.3 9.8 0405 0500 47.5 760.0 829.0 109.1 32.1 214.3 9.8 0405 0600 + + + + + 216.1 9.8 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY TAILWATER starting at 0600 4 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0404 0600 47.1 767.0 854.0 111.3 15.9 213.4 9.8 0404 0700 47.1 767.0 855.0 111.5 16.0 213.9 9.8 0404 0800 47.0 767.0 854.0 111.3 16.0 217.5 9.8 0404 0900 47.0 767.0 854.0 111.3 15.9 196.2 9.8 0404 1000 47.1 767.0 854.0 111.3 16.0 199.0 9.8 0404 1100 47.1 767.0 855.0 111.5 15.8 198.6 9.8 0404 1200 47.2 766.0 854.0 111.5 15.7 196.6 9.8 0404 1300 47.2 765.0 854.0 111.6 15.5 197.0 9.8 0404 1400 47.2 764.0 855.0 111.9 15.4 196.0 9.8 0404 1500 47.2 764.0 856.0 112.0 15.3 197.2 9.8 0404 1600 47.3 763.0 858.0 112.5 15.2 196.7 9.8 0404 1700 47.4 763.0 856.0 112.2 15.1 195.1 9.8 0404 1800 47.4 762.0 857.0 112.5 15.1 201.1 9.8 0404 1900 47.4 762.0 855.0 112.2 15.2 213.3 9.8 0404 2000 47.4 762.0 856.0 112.3 15.4 213.2 9.8 0404 2100 47.4 763.0 857.0 112.3 15.3 214.1 9.8 0404 2200 47.4 763.0 857.0 112.3 15.5 219.4 9.8 0404 2300 47.4 763.0 857.0 112.3 15.5 219.5 9.8 0405 0000 47.4 763.0 858.0 112.5 15.5 216.5 9.8 0405 0100 47.4 763.0 859.0 112.6 15.4 207.5 9.8 0405 0200 47.4 763.0 857.0 112.3 15.4 203.4 9.8 0405 0300 47.4 762.0 858.0 112.6 15.4 204.3 9.8 0405 0400 47.4 763.0 857.0 112.3 15.4 207.3 9.8 0405 0500 47.3 762.0 858.0 112.6 15.5 214.3 9.8 0405 0600 + + + + + 216.1 9.8 TOTAL DISSOLVED GAS REPORT FOR THE DALLES starting at 0600 4 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0404 0600 47.5 767.0 829.0 108.1 16.4 198.9 25.0 0404 0700 47.4 767.0 829.0 108.1 16.4 197.5 25.0 0404 0800 47.4 768.0 829.0 107.9 16.6 197.3 25.0 0404 0900 47.4 767.0 829.0 108.1 17.2 197.0 25.0 0404 1000 47.3 767.0 829.0 108.1 16.9 201.3 29.9 0404 1100 47.4 767.0 829.0 108.1 16.2 202.6 30.0 0404 1200 47.4 766.0 829.0 108.2 16.1 202.0 30.0 0404 1300 47.5 765.0 829.0 108.4 16.6 202.0 30.0 0404 1400 47.6 764.0 829.0 108.5 15.8 202.7 30.0 0404 1500 47.6 763.0 829.0 108.7 16.2 202.1 30.0 0404 1600 47.6 763.0 829.0 108.7 15.8 202.2 30.0 0404 1700 47.6 762.0 829.0 108.8 15.7 202.9 30.0 0404 1800 47.6 762.0 830.0 108.9 16.0 203.4 30.0 0404 1900 47.7 762.0 830.0 108.9 16.1 203.6 30.0 0404 2000 47.6 762.0 830.0 108.9 16.2 203.6 30.0 0404 2100 47.6 763.0 829.0 108.7 16.6 204.6 30.0 0404 2200 47.6 763.0 829.0 108.7 15.7 204.5 30.0 0404 2300 47.7 763.0 828.0 108.5 14.3 202.8 30.0 0405 0000 47.7 763.0 828.0 108.5 15.6 203.2 30.0 0405 0100 47.7 763.0 828.0 108.5 16.3 203.2 30.0 0405 0200 47.7 763.0 828.0 108.5 16.2 202.9 30.0 0405 0300 47.8 762.0 828.0 108.7 15.6 202.6 30.0 0405 0400 47.8 763.0 829.0 108.7 15.9 202.5 30.0 0405 0500 47.8 762.0 828.0 108.7 15.5 203.1 30.0 0405 0600 + + + + + 203.2 30.0 TOTAL DISSOLVED GAS REPORT FOR 1 MILE DOWNSTREAM OF THE DALLES starting at 0600 4 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0404 0600 47.3 768.0 844.0 109.9 10.6 198.9 25.0 0404 0700 47.3 768.0 845.0 110.0 10.6 197.5 25.0 0404 0800 47.3 769.0 845.0 109.9 10.6 197.3 25.0 0404 0900 47.3 769.0 845.0 109.9 10.5 197.0 25.0 0404 1000 47.4 768.0 847.0 110.3 10.7 201.3 29.9 0404 1100 47.4 768.0 848.0 110.4 10.5 202.6 30.0 0404 1200 47.4 767.0 849.0 110.7 10.4 202.0 30.0 0404 1300 47.5 766.0 848.0 110.7 10.4 202.0 30.0 0404 1400 47.5 766.0 848.0 110.7 10.3 202.7 30.0 0404 1500 47.5 765.0 848.0 110.8 10.2 202.1 30.0 0404 1600 47.6 764.0 847.0 110.9 10.2 202.2 30.0 0404 1700 47.6 764.0 847.0 110.9 10.2 202.9 30.0 0404 1800 47.5 763.0 847.0 111.0 10.1 203.4 30.0 0404 1900 47.5 763.0 847.0 111.0 10.1 203.6 30.0 0404 2000 47.5 764.0 846.0 110.7 10.0 203.6 30.0 0404 2100 47.5 764.0 845.0 110.6 10.1 204.6 30.0 0404 2200 47.5 764.0 844.0 110.5 10.1 204.5 30.0 0404 2300 47.5 764.0 845.0 110.6 10.1 202.8 30.0 0405 0000 47.5 764.0 844.0 110.5 10.0 203.2 30.0 0405 0100 47.5 764.0 844.0 110.5 10.1 203.2 30.0 0405 0200 47.5 764.0 845.0 110.6 9.9 202.9 30.0 0405 0300 47.6 764.0 844.0 110.5 10.0 202.6 30.0 0405 0400 47.6 764.0 844.0 110.5 9.9 202.5 30.0 0405 0500 47.6 764.0 844.0 110.5 10.2 203.1 30.0 0405 0600 + + + + + 203.2 30.0 TOTAL DISSOLVED GAS REPORT FOR BONNEVILLE starting at 0600 4 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0404 0600 47.6 768.0 827.0 107.7 16.7 212.4 0.0 0404 0700 47.6 768.0 827.0 107.7 17.0 216.1 2.4 0404 0800 47.6 768.0 826.0 107.6 16.8 215.8 2.4 0404 0900 47.6 768.0 826.0 107.6 17.0 216.6 2.4 0404 1000 47.6 767.0 826.0 107.7 16.8 218.2 2.4 0404 1100 47.6 767.0 826.0 107.7 16.8 220.0 2.4 0404 1200 47.7 766.0 826.0 107.8 16.8 219.8 2.3 0404 1300 47.8 766.0 826.0 107.8 16.7 219.3 2.3 0404 1400 47.9 765.0 826.0 108.0 16.6 220.1 2.3 0404 1500 47.9 764.0 826.0 108.1 16.2 220.1 2.3 0404 1600 48.0 763.0 826.0 108.3 16.4 220.3 2.3 0404 1700 48.1 763.0 826.0 108.3 16.5 221.2 2.3 0404 1800 48.2 763.0 826.0 108.3 16.4 221.7 2.3 0404 1900 48.2 763.0 826.0 108.3 16.1 222.2 2.3 0404 2000 48.2 763.0 827.0 108.4 16.1 221.2 2.3 0404 2100 48.2 763.0 827.0 108.4 16.3 222.4 2.3 0404 2200 48.2 763.0 828.0 108.5 16.0 222.3 2.1 0404 2300 48.1 763.0 829.0 108.7 16.3 218.4 0.0 0405 0000 48.1 763.0 831.0 108.9 16.3 218.9 0.0 0405 0100 48.1 763.0 832.0 109.0 16.1 218.8 0.0 0405 0200 48.0 763.0 833.0 109.2 16.3 216.8 0.0 0405 0300 48.0 763.0 834.0 109.3 16.4 216.9 0.0 0405 0400 48.0 762.0 835.0 109.6 16.2 217.1 0.0 0405 0500 47.9 762.0 835.0 109.6 16.3 216.4 0.0 0405 0600 + + + + + 216.6 0.0 TOTAL DISSOLVED GAS REPORT FOR WARRENDALE starting at 0600 4 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0404 0600 47.6 770.0 841.0 109.2 8.2 212.4 0.0 0404 0700 47.6 770.0 840.0 109.1 8.2 216.1 2.4 0404 0800 47.6 770.0 840.0 109.1 8.2 215.8 2.4 0404 0900 47.6 770.0 839.0 109.0 8.2 216.6 2.4 0404 1000 47.6 770.0 840.0 109.1 8.1 218.2 2.4 0404 1100 47.7 769.0 840.0 109.2 8.1 220.0 2.4 0404 1200 47.7 769.0 841.0 109.4 8.1 219.8 2.3 0404 1300 47.8 768.0 842.0 109.6 8.1 219.3 2.3 0404 1400 48.1 767.0 843.0 109.9 8.0 220.1 2.3 0404 1500 48.1 767.0 843.0 109.9 8.0 220.1 2.3 0404 1600 48.1 766.0 843.0 110.1 8.0 220.3 2.3 0404 1700 48.2 766.0 842.0 109.9 7.9 221.2 2.3 0404 1800 48.3 765.0 842.0 110.1 7.9 221.7 2.3 0404 1900 48.2 765.0 841.0 109.9 7.8 222.2 2.3 0404 2000 48.2 765.0 840.0 109.8 7.9 221.2 2.3 0404 2100 48.2 765.0 839.0 109.7 7.9 222.4 2.3 0404 2200 48.2 766.0 838.0 109.4 7.9 222.3 2.1 0404 2300 48.2 766.0 838.0 109.4 7.9 218.4 0.0 0405 0000 48.2 765.0 838.0 109.5 7.9 218.9 0.0 0405 0100 48.2 765.0 839.0 109.7 7.9 218.8 0.0 0405 0200 48.1 765.0 839.0 109.7 7.9 216.8 0.0 0405 0300 48.1 765.0 840.0 109.8 7.9 216.9 0.0 0405 0400 48.1 765.0 840.0 109.8 7.9 217.1 0.0 0405 0500 48.0 764.0 841.0 110.1 7.9 216.4 0.0 0405 0600 + + + + + 216.6 0.0 TOTAL DISSOLVED GAS REPORT FOR CAMAS/WASHOUGAL starting at 0600 4 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0404 0600 + + + + + 212.4 0.0 0404 0700 + + + + + 216.1 2.4 0404 0800 + + + + + 215.8 2.4 0404 0900 + + + + + 216.6 2.4 0404 1000 + + + + + 218.2 2.4 0404 1100 + + + + + 220.0 2.4 0404 1200 + + + + + 219.8 2.3 0404 1300 + + + + + 219.3 2.3 0404 1400 + + + + + 220.1 2.3 0404 1500 + + + + + 220.1 2.3 0404 1600 + + + + + 220.3 2.3 0404 1700 + + + + + 221.2 2.3 0404 1800 + + + + + 221.7 2.3 0404 1900 + + + + + 222.2 2.3 0404 2000 + + + + + 221.2 2.3 0404 2100 + + + + + 222.4 2.3 0404 2200 + + + + + 222.3 2.1 0404 2300 + + + + + 218.4 0.0 0405 0000 + + + + + 218.9 0.0 0405 0100 + + + + + 218.8 0.0 0405 0200 + + + + + 216.8 0.0 0405 0300 + + + + + 216.9 0.0 0405 0400 + + + + + 217.1 0.0 0405 0500 + + + + + 216.4 0.0 0405 0600 + + + + + 216.6 0.0 TOTAL DISSOLVED GAS REPORT FOR CASCADE ISLAND, WA starting at 0600 4 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0404 0600 47.7 769.0 826.0 107.4 27.8 212.4 0.0 0404 0700 47.7 769.0 831.0 108.1 27.7 216.1 2.4 0404 0800 47.6 769.0 834.0 108.5 27.8 215.8 2.4 0404 0900 47.6 769.0 836.0 108.7 27.8 216.6 2.4 0404 1000 47.7 768.0 836.0 108.9 28.0 218.2 2.4 0404 1100 47.7 768.0 837.0 109.0 28.0 220.0 2.4 0404 1200 47.8 767.0 837.0 109.1 28.2 219.8 2.3 0404 1300 47.8 767.0 837.0 109.1 28.0 219.3 2.3 0404 1400 47.9 766.0 838.0 109.4 28.0 220.1 2.3 0404 1500 48.0 765.0 838.0 109.5 27.9 220.1 2.3 0404 1600 48.1 765.0 837.0 109.4 27.9 220.3 2.3 0404 1700 48.1 764.0 836.0 109.4 27.8 221.2 2.3 0404 1800 48.2 764.0 836.0 109.4 27.9 221.7 2.3 0404 1900 48.2 764.0 835.0 109.3 27.9 222.2 2.3 0404 2000 48.2 764.0 835.0 109.3 27.8 221.2 2.3 0404 2100 48.2 764.0 835.0 109.3 27.9 222.4 2.3 0404 2200 48.2 765.0 835.0 109.2 27.9 222.3 2.1 0404 2300 48.2 764.0 831.0 108.8 27.7 218.4 0.0 0405 0000 48.2 764.0 829.0 108.5 27.7 218.9 0.0 0405 0100 48.1 764.0 827.0 108.2 27.7 218.8 0.0 0405 0200 48.1 764.0 827.0 108.2 27.6 216.8 0.0 0405 0300 48.1 764.0 826.0 108.1 27.5 216.9 0.0 0405 0400 48.1 764.0 826.0 108.1 27.6 217.1 0.0 0405 0500 48.0 763.0 826.0 108.3 27.5 216.4 0.0 0405 0600 + + + + + 216.6 0.0