TOTAL DISSOLVED GAS REPORT FOR PASCO, WA starting at 1300 6 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0406 1300 46.7 751.7 818.0 108.8 16.4 + + 0406 1400 46.9 750.9 821.0 109.3 16.4 + + 0406 1500 47.1 750.3 823.0 109.7 16.4 + + 0406 1600 47.3 749.5 824.0 109.9 16.3 + + 0406 1700 47.3 748.9 823.0 109.9 16.3 + + 0406 1800 47.3 748.4 822.0 109.8 16.2 + + 0406 1900 47.2 747.9 821.0 109.8 16.2 + + 0406 2000 47.2 747.6 819.0 109.6 16.1 + + 0406 2100 47.2 747.9 818.0 109.4 16.1 + + 0406 2200 47.1 748.5 815.0 108.9 16.1 + + 0406 2300 47.0 748.8 813.0 108.6 16.1 + + 0407 0000 47.0 748.9 812.0 108.4 16.1 + + 0407 0100 47.0 749.1 811.0 108.3 16.1 + + 0407 0200 47.0 748.9 809.0 108.0 16.1 + + 0407 0300 47.0 748.3 808.0 108.0 16.1 + + 0407 0400 47.0 748.4 807.0 107.8 16.1 + + 0407 0500 46.9 748.5 806.0 107.7 16.1 + + 0407 0600 46.9 748.9 804.0 107.4 16.1 + + 0407 0700 46.9 749.3 803.0 107.2 16.1 + + 0407 0800 46.9 749.6 802.0 107.0 16.2 + + 0407 0900 46.9 749.9 802.0 106.9 16.3 + + 0407 1000 47.0 749.9 803.0 107.1 16.3 + + 0407 1100 47.2 750.0 804.0 107.2 16.4 + + 0407 1200 47.4 749.8 807.0 107.6 16.5 + + 0407 1300 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR McNARY WASHINGTON SIDE starting at 1300 6 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0406 1300 47.7 751.9 838.0 111.5 49.7 180.1 9.2 0406 1400 47.6 751.3 838.0 111.5 49.7 179.7 9.2 0406 1500 47.9 750.6 841.0 112.0 49.6 179.9 9.2 0406 1600 47.8 749.8 842.0 112.3 49.6 180.7 9.2 0406 1700 47.9 749.2 843.0 112.5 49.5 184.2 9.2 0406 1800 48.1 748.5 845.0 112.9 49.5 189.7 9.2 0406 1900 48.7 748.2 847.0 113.2 49.4 193.4 9.1 0406 2000 48.3 748.1 849.0 113.5 49.4 194.3 9.1 0406 2100 47.8 748.6 846.0 113.0 49.4 181.4 9.1 0406 2200 47.7 749.1 843.0 112.5 49.4 178.6 9.1 0406 2300 47.7 749.4 840.0 112.1 49.4 178.6 9.0 0407 0000 47.7 749.4 839.0 112.0 49.5 178.8 9.1 0407 0100 47.8 749.7 839.0 111.9 49.4 178.8 9.1 0407 0200 47.8 749.7 837.0 111.6 49.4 178.9 9.0 0407 0300 47.9 749.4 837.0 111.7 49.4 178.8 9.0 0407 0400 48.0 749.5 837.0 111.7 49.3 179.0 9.0 0407 0500 48.1 749.6 837.0 111.7 49.3 179.0 8.9 0407 0600 48.8 749.6 840.0 112.1 49.4 179.0 9.0 0407 0700 48.3 749.9 839.0 111.9 49.4 168.7 9.0 0407 0800 48.3 750.3 838.0 111.7 49.4 163.1 9.0 0407 0900 48.4 750.5 836.0 111.4 49.5 159.7 9.0 0407 1000 48.3 750.5 835.0 111.3 49.5 156.9 9.1 0407 1100 48.3 750.2 834.0 111.2 49.5 157.8 9.1 0407 1200 48.2 750.3 833.0 111.0 49.7 157.4 9.2 0407 1300 + + + + + 158.5 9.3 TOTAL DISSOLVED GAS REPORT FOR McNARY TAILWATER starting at 1300 6 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0406 1300 47.9 754.0 856.0 113.5 18.6 180.1 9.2 0406 1400 47.9 753.4 856.0 113.6 18.5 179.7 9.2 0406 1500 48.0 752.7 857.0 113.9 18.3 179.9 9.2 0406 1600 47.9 751.9 857.0 114.0 18.2 180.7 9.2 0406 1700 48.0 751.3 858.0 114.2 18.3 184.2 9.2 0406 1800 48.0 750.8 857.0 114.1 18.4 189.7 9.2 0406 1900 48.0 750.4 857.0 114.2 18.5 193.4 9.1 0406 2000 48.1 750.3 857.0 114.2 18.6 194.3 9.1 0406 2100 48.1 750.8 857.0 114.1 18.3 181.4 9.1 0406 2200 48.0 751.4 856.0 113.9 18.3 178.6 9.1 0406 2300 47.8 751.7 854.0 113.6 18.3 178.6 9.0 0407 0000 47.8 751.7 852.0 113.3 18.3 178.8 9.1 0407 0100 47.8 751.9 851.0 113.2 18.3 178.8 9.1 0407 0200 47.8 751.9 850.0 113.0 18.3 178.9 9.0 0407 0300 47.8 751.7 850.0 113.1 18.2 178.8 9.0 0407 0400 47.9 751.7 850.0 113.1 18.3 179.0 9.0 0407 0500 47.9 751.8 849.0 112.9 18.3 179.0 8.9 0407 0600 48.0 751.8 849.0 112.9 18.3 179.0 9.0 0407 0700 48.0 752.1 848.0 112.8 18.1 168.7 9.0 0407 0800 48.1 752.5 847.0 112.6 18.2 163.1 9.0 0407 0900 48.1 752.7 847.0 112.5 18.1 159.7 9.0 0407 1000 48.2 753.0 848.0 112.6 18.1 156.9 9.1 0407 1100 48.3 752.9 848.0 112.6 18.3 157.8 9.1 0407 1200 48.3 752.8 848.0 112.6 18.4 157.4 9.2 0407 1300 + + + + + 158.5 9.3 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY (Wingwall) starting at 1300 6 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0406 1300 47.4 754.0 827.0 109.7 31.9 205.5 9.8 0406 1400 47.3 753.0 826.0 109.7 31.9 204.9 9.8 0406 1500 47.3 753.0 824.0 109.4 31.8 204.2 9.8 0406 1600 47.3 752.0 825.0 109.7 31.8 199.8 9.8 0406 1700 47.3 752.0 825.0 109.7 31.8 201.1 9.8 0406 1800 47.3 752.0 823.0 109.4 31.8 200.9 9.8 0406 1900 47.3 752.0 822.0 109.3 31.8 203.6 9.8 0406 2000 47.3 752.0 821.0 109.2 31.8 198.6 9.8 0406 2100 47.4 752.0 820.0 109.0 31.8 201.8 9.8 0406 2200 47.3 753.0 820.0 108.9 31.8 201.9 9.8 0406 2300 47.4 753.0 819.0 108.8 31.8 202.1 9.8 0407 0000 47.3 753.0 819.0 108.8 31.8 200.2 9.8 0407 0100 47.3 753.0 820.0 108.9 31.8 199.8 9.8 0407 0200 47.3 753.0 819.0 108.8 31.8 199.7 9.8 0407 0300 47.3 753.0 818.0 108.6 31.8 198.4 9.8 0407 0400 47.2 753.0 816.0 108.4 31.8 198.3 9.7 0407 0500 47.2 753.0 816.0 108.4 31.8 199.2 9.7 0407 0600 47.2 753.0 815.0 108.2 31.8 198.2 9.7 0407 0700 47.3 753.0 814.0 108.1 31.8 199.0 9.7 0407 0800 47.3 754.0 813.0 107.8 31.8 201.1 9.7 0407 0900 47.3 755.0 813.0 107.7 31.9 188.7 9.7 0407 1000 47.2 754.0 814.0 108.0 31.9 182.1 9.7 0407 1100 47.3 755.0 814.0 107.8 31.8 180.0 9.7 0407 1200 47.3 754.0 814.0 108.0 31.9 184.4 9.7 0407 1300 + + + + + 180.4 9.7 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY TAILWATER starting at 1300 6 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0406 1300 47.6 757.0 851.0 112.4 14.8 205.5 9.8 0406 1400 47.6 756.0 851.0 112.6 14.7 204.9 9.8 0406 1500 47.6 755.0 851.0 112.7 14.5 204.2 9.8 0406 1600 47.6 754.0 850.0 112.7 14.5 199.8 9.8 0406 1700 47.6 754.0 849.0 112.6 14.5 201.1 9.8 0406 1800 47.6 754.0 848.0 112.5 14.4 200.9 9.8 0406 1900 47.6 754.0 845.0 112.1 14.4 203.6 9.8 0406 2000 47.6 754.0 845.0 112.1 14.3 198.6 9.8 0406 2100 47.5 755.0 844.0 111.8 14.4 201.8 9.8 0406 2200 47.5 755.0 844.0 111.8 14.4 201.9 9.8 0406 2300 47.5 755.0 844.0 111.8 14.4 202.1 9.8 0407 0000 47.5 755.0 844.0 111.8 14.4 200.2 9.8 0407 0100 47.5 755.0 844.0 111.8 14.4 199.8 9.8 0407 0200 47.5 756.0 844.0 111.6 14.5 199.7 9.8 0407 0300 47.5 755.0 844.0 111.8 14.4 198.4 9.8 0407 0400 47.6 755.0 844.0 111.8 14.4 198.3 9.7 0407 0500 47.6 755.0 843.0 111.7 14.5 199.2 9.7 0407 0600 47.6 756.0 841.0 111.2 14.4 198.2 9.7 0407 0700 47.6 756.0 843.0 111.5 14.5 199.0 9.7 0407 0800 47.6 756.0 842.0 111.4 14.5 201.1 9.7 0407 0900 47.7 757.0 841.0 111.1 14.4 188.7 9.7 0407 1000 47.7 757.0 841.0 111.1 14.4 182.1 9.7 0407 1100 47.7 757.0 841.0 111.1 14.4 180.0 9.7 0407 1200 47.7 757.0 842.0 111.2 14.3 184.4 9.7 0407 1300 + + + + + 180.4 9.7 TOTAL DISSOLVED GAS REPORT FOR THE DALLES starting at 1300 6 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0406 1300 47.7 757.0 830.0 109.6 14.5 203.8 30.0 0406 1400 48.0 756.0 830.0 109.8 14.7 203.8 30.0 0406 1500 47.9 755.0 830.0 109.9 14.0 204.7 30.0 0406 1600 48.0 755.0 830.0 109.9 14.4 204.0 30.0 0406 1700 48.0 754.0 831.0 110.2 15.7 203.7 30.0 0406 1800 48.0 755.0 830.0 109.9 15.6 205.0 30.0 0406 1900 48.0 755.0 831.0 110.1 14.7 205.6 30.0 0406 2000 48.1 755.0 830.0 109.9 15.1 194.8 20.0 0406 2100 48.1 755.0 830.0 109.9 14.8 194.4 20.0 0406 2200 48.1 755.0 830.0 109.9 15.2 194.1 20.0 0406 2300 48.1 756.0 829.0 109.7 15.5 194.7 20.0 0407 0000 48.2 756.0 829.0 109.7 15.4 194.3 20.0 0407 0100 48.2 756.0 829.0 109.7 15.4 194.0 20.0 0407 0200 48.3 756.0 828.0 109.5 15.1 194.3 20.0 0407 0300 48.3 756.0 828.0 109.5 14.5 194.0 20.0 0407 0400 48.3 756.0 828.0 109.5 15.2 194.2 20.0 0407 0500 48.3 757.0 827.0 109.2 15.4 194.4 20.0 0407 0600 48.3 756.0 827.0 109.4 15.4 190.8 16.0 0407 0700 48.3 757.0 826.0 109.1 15.0 189.4 16.0 0407 0800 48.3 757.0 825.0 109.0 15.8 189.4 16.0 0407 0900 48.3 757.0 824.0 108.9 15.4 189.5 16.0 0407 1000 48.3 758.0 824.0 108.7 14.9 189.2 16.0 0407 1100 48.4 758.0 823.0 108.6 15.6 189.1 16.0 0407 1200 48.4 758.0 822.0 108.4 14.9 189.4 16.0 0407 1300 + + + + + 190.1 16.0 TOTAL DISSOLVED GAS REPORT FOR 1 MILE DOWNSTREAM OF THE DALLES starting at 1300 6 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0406 1300 48.1 758.0 847.0 111.7 9.9 203.8 30.0 0406 1400 48.0 757.0 848.0 112.0 9.8 203.8 30.0 0406 1500 48.0 756.0 847.0 112.0 9.9 204.7 30.0 0406 1600 48.1 756.0 846.0 111.9 9.8 204.0 30.0 0406 1700 48.1 756.0 846.0 111.9 9.8 203.7 30.0 0406 1800 48.1 756.0 845.0 111.8 10.0 205.0 30.0 0406 1900 48.1 756.0 844.0 111.6 9.8 205.6 30.0 0406 2000 48.0 756.0 844.0 111.6 9.6 194.8 20.0 0406 2100 48.0 756.0 843.0 111.5 9.5 194.4 20.0 0406 2200 47.9 756.0 840.0 111.1 9.6 194.1 20.0 0406 2300 48.0 757.0 840.0 111.0 9.6 194.7 20.0 0407 0000 48.0 757.0 839.0 110.8 9.6 194.3 20.0 0407 0100 48.0 757.0 840.0 111.0 9.6 194.0 20.0 0407 0200 48.0 757.0 839.0 110.8 9.7 194.3 20.0 0407 0300 48.1 757.0 839.0 110.8 9.6 194.0 20.0 0407 0400 48.1 758.0 839.0 110.7 9.8 194.2 20.0 0407 0500 48.1 758.0 838.0 110.6 9.7 194.4 20.0 0407 0600 48.1 758.0 837.0 110.4 9.7 190.8 16.0 0407 0700 48.2 758.0 836.0 110.3 9.6 189.4 16.0 0407 0800 48.2 758.0 834.0 110.0 9.7 189.4 16.0 0407 0900 48.2 759.0 834.0 109.9 9.8 189.5 16.0 0407 1000 48.3 759.0 833.0 109.7 9.8 189.2 16.0 0407 1100 48.3 759.0 832.0 109.6 9.7 189.1 16.0 0407 1200 48.4 759.0 831.0 109.5 9.6 189.4 16.0 0407 1300 + + + + + 190.1 16.0 TOTAL DISSOLVED GAS REPORT FOR BONNEVILLE starting at 1300 6 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0406 1300 48.3 758.0 844.0 111.3 16.2 218.8 2.4 0406 1400 48.4 758.0 844.0 111.3 16.0 222.1 2.4 0406 1500 48.5 758.0 846.0 111.6 15.9 220.5 2.4 0406 1600 48.6 757.0 846.0 111.8 15.9 216.6 2.4 0406 1700 48.7 757.0 847.0 111.9 15.9 218.8 2.4 0406 1800 48.7 757.0 847.0 111.9 16.0 220.6 2.4 0406 1900 48.8 757.0 847.0 111.9 16.0 220.0 2.4 0406 2000 48.8 757.0 847.0 111.9 16.1 213.7 2.4 0406 2100 48.8 757.0 847.0 111.9 16.1 213.3 2.4 0406 2200 48.8 758.0 847.0 111.7 15.8 212.5 1.2 0406 2300 48.8 758.0 846.0 111.6 15.8 215.9 0.0 0407 0000 48.8 759.0 846.0 111.5 15.9 215.5 0.0 0407 0100 48.8 759.0 845.0 111.3 16.0 209.5 0.0 0407 0200 48.7 759.0 843.0 111.1 16.0 206.7 0.0 0407 0300 48.7 760.0 842.0 110.8 15.9 209.2 0.0 0407 0400 48.6 760.0 841.0 110.7 16.0 209.7 0.0 0407 0500 48.6 760.0 840.0 110.5 15.9 210.8 0.0 0407 0600 48.6 760.0 838.0 110.3 15.9 209.2 0.0 0407 0700 48.5 761.0 837.0 110.0 15.9 208.6 2.4 0407 0800 48.5 761.0 835.0 109.7 15.8 208.2 2.4 0407 0900 48.5 762.0 835.0 109.6 15.8 206.9 2.4 0407 1000 48.5 762.0 834.0 109.4 15.8 208.0 2.4 0407 1100 48.5 762.0 834.0 109.4 15.8 208.6 2.4 0407 1200 48.5 762.0 834.0 109.4 15.8 208.5 2.4 0407 1300 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR WARRENDALE starting at 1300 6 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0406 1300 48.5 761.0 857.0 112.6 7.8 218.8 2.4 0406 1400 48.6 761.0 857.0 112.6 7.7 222.1 2.4 0406 1500 48.7 761.0 858.0 112.7 7.7 220.5 2.4 0406 1600 48.8 761.0 858.0 112.7 7.7 216.6 2.4 0406 1700 48.9 760.0 858.0 112.9 7.7 218.8 2.4 0406 1800 48.9 760.0 858.0 112.9 7.7 220.6 2.4 0406 1900 48.8 760.0 858.0 112.9 7.7 220.0 2.4 0406 2000 48.8 760.0 857.0 112.8 7.7 213.7 2.4 0406 2100 48.8 761.0 857.0 112.6 7.7 213.3 2.4 0406 2200 48.9 761.0 856.0 112.5 7.7 212.5 1.2 0406 2300 48.9 762.0 856.0 112.3 7.8 215.9 0.0 0407 0000 48.9 762.0 856.0 112.3 7.8 215.5 0.0 0407 0100 48.8 763.0 855.0 112.1 7.8 209.5 0.0 0407 0200 48.8 763.0 855.0 112.1 7.8 206.7 0.0 0407 0300 48.8 763.0 855.0 112.1 7.9 209.2 0.0 0407 0400 48.7 764.0 853.0 111.6 7.8 209.7 0.0 0407 0500 48.7 764.0 851.0 111.4 7.8 210.8 0.0 0407 0600 48.7 764.0 851.0 111.4 7.9 209.2 0.0 0407 0700 48.6 764.0 849.0 111.1 7.9 208.6 2.4 0407 0800 48.6 765.0 848.0 110.8 8.0 208.2 2.4 0407 0900 48.5 765.0 846.0 110.6 8.0 206.9 2.4 0407 1000 48.6 765.0 846.0 110.6 7.9 208.0 2.4 0407 1100 48.6 766.0 845.0 110.3 7.9 208.6 2.4 0407 1200 48.6 765.0 846.0 110.6 8.0 208.5 2.4 0407 1300 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR CAMAS/WASHOUGAL starting at 1300 6 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0406 1300 + + + + + 218.8 2.4 0406 1400 + + + + + 222.1 2.4 0406 1500 + + + + + 220.5 2.4 0406 1600 + + + + + 216.6 2.4 0406 1700 + + + + + 218.8 2.4 0406 1800 + + + + + 220.6 2.4 0406 1900 + + + + + 220.0 2.4 0406 2000 + + + + + 213.7 2.4 0406 2100 + + + + + 213.3 2.4 0406 2200 + + + + + 212.5 1.2 0406 2300 + + + + + 215.9 0.0 0407 0000 + + + + + 215.5 0.0 0407 0100 + + + + + 209.5 0.0 0407 0200 + + + + + 206.7 0.0 0407 0300 + + + + + 209.2 0.0 0407 0400 + + + + + 209.7 0.0 0407 0500 + + + + + 210.8 0.0 0407 0600 + + + + + 209.2 0.0 0407 0700 + + + + + 208.6 2.4 0407 0800 + + + + + 208.2 2.4 0407 0900 + + + + + 206.9 2.4 0407 1000 + + + + + 208.0 2.4 0407 1100 + + + + + 208.6 2.4 0407 1200 + + + + + 208.5 2.4 0407 1300 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR CASCADE ISLAND, WA starting at 1300 6 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0406 1300 48.4 759.0 839.0 110.5 27.6 218.8 2.4 0406 1400 48.5 759.0 839.0 110.5 27.8 222.1 2.4 0406 1500 48.7 759.0 838.0 110.4 27.6 220.5 2.4 0406 1600 48.6 759.0 839.0 110.5 27.4 216.6 2.4 0406 1700 48.7 758.0 839.0 110.7 27.5 218.8 2.4 0406 1800 48.8 758.0 840.0 110.8 27.5 220.6 2.4 0406 1900 48.8 758.0 841.0 110.9 27.3 220.0 2.4 0406 2000 48.8 758.0 841.0 110.9 27.1 213.7 2.4 0406 2100 48.8 759.0 841.0 110.8 27.2 213.3 2.4 0406 2200 48.8 759.0 840.0 110.7 27.1 212.5 1.2 0406 2300 48.8 760.0 837.0 110.1 27.3 215.9 0.0 0407 0000 48.8 760.0 835.0 109.9 27.2 215.5 0.0 0407 0100 48.8 761.0 833.0 109.5 27.1 209.5 0.0 0407 0200 48.8 761.0 832.0 109.3 26.9 206.7 0.0 0407 0300 48.8 761.0 832.0 109.3 27.1 209.2 0.0 0407 0400 48.7 762.0 831.0 109.1 27.1 209.7 0.0 0407 0500 48.7 762.0 830.0 108.9 27.1 210.8 0.0 0407 0600 48.7 762.0 830.0 108.9 27.1 209.2 0.0 0407 0700 48.6 762.0 831.0 109.1 27.0 208.6 2.4 0407 0800 48.6 762.0 832.0 109.2 26.9 208.2 2.4 0407 0900 48.6 763.0 833.0 109.2 27.0 206.9 2.4 0407 1000 48.6 763.0 835.0 109.4 26.9 208.0 2.4 0407 1100 48.6 764.0 838.0 109.7 27.1 208.6 2.4 0407 1200 48.6 763.0 838.0 109.8 27.1 208.5 2.4 0407 1300 + + + + + + +