TOTAL DISSOLVED GAS REPORT FOR PASCO, WA starting at 0800 8 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0408 0800 47.0 754.5 804.0 106.6 15.6 + + 0408 0900 47.0 754.4 803.0 106.4 15.6 + + 0408 1000 47.1 754.5 803.0 106.4 15.7 + + 0408 1100 47.2 754.3 804.0 106.6 15.8 + + 0408 1200 47.5 753.8 806.0 106.9 15.8 + + 0408 1300 47.7 753.2 809.0 107.4 15.8 + + 0408 1400 48.0 752.6 812.0 107.9 15.8 + + 0408 1500 48.1 752.0 814.0 108.2 15.8 + + 0408 1600 48.2 751.6 815.0 108.4 15.8 + + 0408 1700 48.2 751.2 816.0 108.6 15.9 + + 0408 1800 48.1 750.9 815.0 108.5 15.8 + + 0408 1900 48.1 750.7 814.0 108.4 15.8 + + 0408 2000 47.9 750.6 813.0 108.3 15.7 + + 0408 2100 47.8 751.0 812.0 108.1 15.6 + + 0408 2200 47.7 751.3 810.0 107.8 15.6 + + 0408 2300 47.6 751.8 808.0 107.5 15.5 + + 0409 0000 47.5 752.1 806.0 107.2 15.5 + + 0409 0100 47.4 752.5 804.0 106.8 15.5 + + 0409 0200 47.4 752.8 802.0 106.5 15.5 + + 0409 0300 47.3 752.9 800.0 106.3 15.5 + + 0409 0400 47.2 753.1 799.0 106.1 15.5 + + 0409 0500 47.2 753.3 797.0 105.8 15.5 + + 0409 0600 47.1 753.6 795.0 105.5 15.5 + + 0409 0700 47.1 754.0 793.0 105.2 15.5 + + 0409 0800 47.0 754.3 792.0 105.0 15.5 + + TOTAL DISSOLVED GAS REPORT FOR McNARY WASHINGTON SIDE starting at 0800 8 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0408 0800 48.3 754.2 818.0 108.5 49.0 175.2 8.4 0408 0900 48.3 754.2 819.0 108.6 49.1 157.5 8.5 0408 1000 48.3 754.1 820.0 108.7 49.1 156.7 8.5 0408 1100 48.3 754.0 821.0 108.9 49.1 157.6 8.5 0408 1200 48.3 753.6 822.0 109.1 49.2 157.7 8.6 0408 1300 48.4 753.1 821.0 109.0 49.1 158.3 8.6 0408 1400 48.6 752.7 824.0 109.5 49.2 157.4 8.6 0408 1500 48.5 752.2 824.0 109.5 49.2 157.3 8.7 0408 1600 48.5 751.6 824.0 109.6 49.2 157.6 8.7 0408 1700 48.6 751.2 825.0 109.8 49.2 156.5 8.7 0408 1800 48.7 750.8 827.0 110.1 49.1 174.5 8.7 0408 1900 48.8 750.4 828.0 110.3 49.1 191.7 8.6 0408 2000 48.8 750.4 829.0 110.5 49.0 192.2 8.6 0408 2100 48.7 750.7 827.0 110.2 49.0 192.4 8.6 0408 2200 48.7 751.1 826.0 110.0 48.9 189.9 8.5 0408 2300 48.7 751.5 825.0 109.8 48.9 189.4 8.4 0409 0000 48.8 751.8 825.0 109.7 48.8 188.2 8.4 0409 0100 49.0 752.2 826.0 109.8 48.8 187.4 8.3 0409 0200 49.3 752.3 829.0 110.2 48.8 188.0 8.3 0409 0300 49.2 752.5 826.0 109.8 48.8 188.0 8.3 0409 0400 49.3 752.7 826.0 109.7 48.7 188.5 8.2 0409 0500 49.5 753.0 826.0 109.7 48.7 188.3 8.2 0409 0600 49.5 753.2 824.0 109.4 48.8 187.1 8.2 0409 0700 49.3 753.5 823.0 109.2 48.8 181.0 8.2 0409 0800 49.4 753.8 822.0 109.0 48.7 173.1 8.1 TOTAL DISSOLVED GAS REPORT FOR McNARY TAILWATER starting at 0800 8 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0408 0800 48.2 756.5 836.0 110.5 17.9 175.2 8.4 0408 0900 48.3 756.6 837.0 110.6 17.6 157.5 8.5 0408 1000 48.3 756.5 838.0 110.8 17.7 156.7 8.5 0408 1100 48.4 756.3 839.0 110.9 17.7 157.6 8.5 0408 1200 48.5 755.9 841.0 111.3 17.7 157.7 8.6 0408 1300 48.6 755.3 842.0 111.5 17.7 158.3 8.6 0408 1400 48.7 755.0 843.0 111.7 17.8 157.4 8.6 0408 1500 48.7 754.5 843.0 111.7 17.7 157.3 8.7 0408 1600 48.7 753.9 843.0 111.8 17.7 157.6 8.7 0408 1700 48.8 753.5 842.0 111.7 17.7 156.5 8.7 0408 1800 48.8 753.2 842.0 111.8 18.1 174.5 8.7 0408 1900 48.8 752.9 842.0 111.8 18.3 191.7 8.6 0408 2000 48.8 752.8 843.0 112.0 18.4 192.2 8.6 0408 2100 48.9 753.1 843.0 111.9 18.3 192.4 8.6 0408 2200 49.0 753.5 843.0 111.9 18.2 189.9 8.5 0408 2300 49.1 753.8 843.0 111.8 18.2 189.4 8.4 0409 0000 49.2 754.2 843.0 111.8 18.3 188.2 8.4 0409 0100 49.1 754.5 842.0 111.6 18.3 187.4 8.3 0409 0200 49.0 754.7 841.0 111.4 18.3 188.0 8.3 0409 0300 49.0 754.8 839.0 111.2 18.3 188.0 8.3 0409 0400 49.0 755.1 838.0 111.0 18.3 188.5 8.2 0409 0500 49.0 755.3 837.0 110.8 18.4 188.3 8.2 0409 0600 49.0 755.6 837.0 110.8 18.4 187.1 8.2 0409 0700 49.1 755.9 836.0 110.6 18.4 181.0 8.2 0409 0800 49.1 756.2 836.0 110.6 18.4 173.1 8.1 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY (Wingwall) starting at 0800 8 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0408 0800 47.6 757.0 809.0 106.9 31.9 193.2 9.7 0408 0900 47.5 757.0 809.0 106.9 31.9 184.4 9.7 0408 1000 47.5 757.0 809.0 106.9 31.9 164.6 9.7 0408 1100 47.6 757.0 810.0 107.0 31.9 149.3 9.7 0408 1200 47.8 756.0 811.0 107.3 31.9 146.7 9.7 0408 1300 48.0 756.0 813.0 107.5 31.9 148.0 9.7 0408 1400 47.8 755.0 811.0 107.4 31.9 149.1 9.7 0408 1500 47.9 754.0 812.0 107.7 31.9 146.9 9.7 0408 1600 47.9 754.0 812.0 107.7 31.9 145.7 9.7 0408 1700 47.9 753.0 812.0 107.8 31.8 145.0 9.7 0408 1800 47.9 753.0 813.0 108.0 31.8 172.9 9.7 0408 1900 48.1 752.0 816.0 108.5 31.8 190.1 9.7 0408 2000 47.9 753.0 814.0 108.1 31.8 188.4 9.7 0408 2100 47.9 753.0 814.0 108.1 31.8 191.8 9.7 0408 2200 48.4 754.0 817.0 108.4 31.8 190.0 9.8 0408 2300 49.1 754.0 819.0 108.6 31.8 195.3 9.8 0409 0000 48.8 755.0 818.0 108.3 31.8 191.6 9.8 0409 0100 48.6 755.0 817.0 108.2 31.8 190.3 9.7 0409 0200 49.1 755.0 819.0 108.5 31.9 191.6 9.7 0409 0300 48.7 755.0 817.0 108.2 31.9 188.8 9.8 0409 0400 48.6 755.0 817.0 108.2 31.8 191.1 9.8 0409 0500 48.7 756.0 817.0 108.1 31.9 188.7 9.8 0409 0600 48.7 756.0 818.0 108.2 31.9 207.3 9.7 0409 0700 49.0 756.0 818.0 108.2 31.9 207.9 9.7 0409 0800 48.9 757.0 818.0 108.1 31.9 192.7 9.8 TOTAL DISSOLVED GAS REPORT FOR JOHN DAY TAILWATER starting at 0800 8 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0408 0800 47.9 759.0 841.0 110.8 15.3 193.2 9.7 0408 0900 47.9 759.0 841.0 110.8 15.2 184.4 9.7 0408 1000 48.0 759.0 843.0 111.1 15.1 164.6 9.7 0408 1100 48.1 759.0 842.0 110.9 14.8 149.3 9.7 0408 1200 48.1 759.0 844.0 111.2 14.4 146.7 9.7 0408 1300 48.2 758.0 842.0 111.1 14.0 148.0 9.7 0408 1400 48.3 757.0 842.0 111.2 13.6 149.1 9.7 0408 1500 48.3 756.0 842.0 111.4 13.2 146.9 9.7 0408 1600 48.4 756.0 841.0 111.2 12.7 145.7 9.7 0408 1700 48.4 755.0 842.0 111.5 12.4 145.0 9.7 0408 1800 48.4 755.0 841.0 111.4 12.9 172.9 9.7 0408 1900 48.4 755.0 841.0 111.4 12.7 190.1 9.7 0408 2000 48.5 755.0 839.0 111.1 12.9 188.4 9.7 0408 2100 48.6 756.0 839.0 111.0 13.1 191.8 9.7 0408 2200 48.7 756.0 841.0 111.2 13.2 190.0 9.8 0408 2300 48.7 757.0 842.0 111.2 13.8 195.3 9.8 0409 0000 48.6 757.0 841.0 111.1 13.7 191.6 9.8 0409 0100 48.6 757.0 842.0 111.2 13.9 190.3 9.7 0409 0200 48.6 758.0 843.0 111.2 14.0 191.6 9.7 0409 0300 48.6 758.0 843.0 111.2 14.2 188.8 9.8 0409 0400 48.6 758.0 844.0 111.3 14.3 191.1 9.8 0409 0500 48.5 758.0 845.0 111.5 14.5 188.7 9.8 0409 0600 48.6 758.0 845.0 111.5 14.9 207.3 9.7 0409 0700 48.6 759.0 844.0 111.2 15.1 207.9 9.7 0409 0800 48.5 759.0 845.0 111.3 15.2 192.7 9.8 TOTAL DISSOLVED GAS REPORT FOR THE DALLES starting at 0800 8 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0408 0800 48.4 760.0 810.0 106.6 17.1 168.2 0.0 0408 0900 48.4 760.0 809.0 106.4 16.8 167.5 0.0 0408 1000 48.4 759.0 809.0 106.6 16.7 171.7 4.9 0408 1100 48.4 759.0 809.0 106.6 16.2 186.9 20.0 0408 1200 48.4 759.0 809.0 106.6 14.9 187.7 20.0 0408 1300 48.4 758.0 810.0 106.9 15.7 189.7 20.0 0408 1400 48.4 757.0 810.0 107.0 14.4 190.0 20.0 0408 1500 48.7 757.0 811.0 107.1 13.7 191.1 20.0 0408 1600 48.4 756.0 811.0 107.3 13.4 193.3 20.0 0408 1700 48.5 756.0 812.0 107.4 13.8 173.6 0.0 0408 1800 48.5 755.0 813.0 107.7 13.4 175.2 0.0 0408 1900 48.5 755.0 814.0 107.8 13.4 175.8 0.0 0408 2000 48.5 755.0 814.0 107.8 13.8 174.6 0.0 0408 2100 48.5 756.0 815.0 107.8 14.2 173.9 0.0 0408 2200 48.5 756.0 815.0 107.8 13.7 147.9 0.0 0408 2300 48.5 756.0 815.0 107.8 14.8 171.4 0.0 0409 0000 48.5 757.0 815.0 107.7 14.3 171.6 0.0 0409 0100 48.6 757.0 816.0 107.8 15.0 171.7 0.0 0409 0200 48.6 758.0 816.0 107.7 15.1 171.5 0.0 0409 0300 48.6 758.0 816.0 107.7 15.7 171.1 0.0 0409 0400 48.7 758.0 817.0 107.8 15.1 170.5 0.0 0409 0500 48.7 758.0 817.0 107.8 15.1 170.4 0.0 0409 0600 48.7 758.0 818.0 107.9 16.2 169.2 0.0 0409 0700 48.8 759.0 818.0 107.8 16.2 169.8 0.0 0409 0800 48.7 759.0 819.0 107.9 17.2 167.7 0.0 TOTAL DISSOLVED GAS REPORT FOR 1 MILE DOWNSTREAM OF THE DALLES starting at 0800 8 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0408 0800 48.3 761.0 813.0 106.8 8.4 168.2 0.0 0408 0900 48.3 761.0 814.0 107.0 8.2 167.5 0.0 0408 1000 48.3 761.0 814.0 107.0 8.1 171.7 4.9 0408 1100 48.4 760.0 815.0 107.2 8.3 186.9 20.0 0408 1200 48.4 760.0 820.0 107.9 8.3 187.7 20.0 0408 1300 48.4 759.0 826.0 108.8 8.4 189.7 20.0 0408 1400 48.5 758.0 827.0 109.1 8.4 190.0 20.0 0408 1500 48.6 757.0 827.0 109.2 8.4 191.1 20.0 0408 1600 48.7 757.0 827.0 109.2 8.5 193.3 20.0 0408 1700 48.6 757.0 827.0 109.2 8.4 173.6 0.0 0408 1800 48.5 756.0 825.0 109.1 8.4 175.2 0.0 0408 1900 48.5 756.0 819.0 108.3 8.4 175.8 0.0 0408 2000 48.5 756.0 817.0 108.1 8.2 174.6 0.0 0408 2100 48.4 757.0 816.0 107.8 8.1 173.9 0.0 0408 2200 48.4 757.0 815.0 107.7 7.7 147.9 0.0 0408 2300 48.4 757.0 815.0 107.7 8.0 171.4 0.0 0409 0000 48.4 758.0 816.0 107.7 8.2 171.6 0.0 0409 0100 48.4 758.0 817.0 107.8 8.1 171.7 0.0 0409 0200 48.4 759.0 818.0 107.8 8.2 171.5 0.0 0409 0300 48.4 759.0 818.0 107.8 8.2 171.1 0.0 0409 0400 48.4 759.0 818.0 107.8 8.2 170.5 0.0 0409 0500 48.5 759.0 819.0 107.9 8.2 170.4 0.0 0409 0600 48.5 760.0 819.0 107.8 8.2 169.2 0.0 0409 0700 48.5 760.0 819.0 107.8 8.3 169.8 0.0 0409 0800 48.5 760.0 821.0 108.0 8.1 167.7 0.0 TOTAL DISSOLVED GAS REPORT FOR BONNEVILLE starting at 0800 8 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0408 0800 48.6 761.0 822.0 108.0 14.7 218.4 2.3 0408 0900 48.6 761.0 821.0 107.9 14.9 207.3 2.3 0408 1000 48.6 761.0 821.0 107.9 14.8 191.0 2.3 0408 1100 48.6 760.0 821.0 108.0 14.9 183.0 2.3 0408 1200 48.6 760.0 822.0 108.2 15.0 182.6 2.3 0408 1300 48.7 759.0 822.0 108.3 15.0 184.1 2.3 0408 1400 48.8 759.0 823.0 108.4 15.1 184.6 2.3 0408 1500 48.8 758.0 824.0 108.7 15.1 184.7 2.3 0408 1600 48.9 758.0 825.0 108.8 15.1 185.8 2.3 0408 1700 49.0 758.0 824.0 108.7 15.1 185.0 2.3 0408 1800 49.1 757.0 825.0 109.0 14.8 199.8 2.3 0408 1900 49.1 757.0 826.0 109.1 14.8 202.4 2.3 0408 2000 49.1 757.0 826.0 109.1 14.8 200.9 2.3 0408 2100 49.2 758.0 826.0 109.0 15.0 200.6 2.3 0408 2200 49.2 758.0 826.0 109.0 15.2 176.8 1.1 0408 2300 49.2 758.0 825.0 108.8 15.0 172.7 0.0 0409 0000 49.1 758.0 824.0 108.7 15.0 176.7 0.0 0409 0100 49.1 759.0 824.0 108.6 15.1 177.0 0.0 0409 0200 49.1 759.0 823.0 108.4 15.2 177.3 0.0 0409 0300 49.1 759.0 823.0 108.4 15.3 177.2 0.0 0409 0400 49.0 759.0 822.0 108.3 15.3 177.4 0.0 0409 0500 49.0 759.0 821.0 108.2 15.0 179.2 0.0 0409 0600 49.0 759.0 821.0 108.2 14.8 199.4 0.1 0409 0700 49.0 759.0 821.0 108.2 14.5 203.4 2.3 0409 0800 49.0 759.0 820.0 108.0 14.7 202.5 2.3 TOTAL DISSOLVED GAS REPORT FOR WARRENDALE starting at 0800 8 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0408 0800 48.6 764.0 836.0 109.4 7.9 218.4 2.3 0408 0900 48.6 764.0 835.0 109.3 7.9 207.3 2.3 0408 1000 48.7 764.0 834.0 109.2 7.9 191.0 2.3 0408 1100 48.7 764.0 833.0 109.0 7.9 183.0 2.3 0408 1200 48.9 763.0 835.0 109.4 7.8 182.6 2.3 0408 1300 49.0 762.0 836.0 109.7 7.8 184.1 2.3 0408 1400 49.2 762.0 837.0 109.8 7.8 184.6 2.3 0408 1500 49.1 762.0 838.0 110.0 7.8 184.7 2.3 0408 1600 49.2 761.0 839.0 110.2 7.7 185.8 2.3 0408 1700 49.4 761.0 841.0 110.5 7.7 185.0 2.3 0408 1800 49.2 761.0 840.0 110.4 7.7 199.8 2.3 0408 1900 49.2 760.0 840.0 110.5 7.7 202.4 2.3 0408 2000 49.2 760.0 840.0 110.5 7.7 200.9 2.3 0408 2100 49.1 761.0 838.0 110.1 7.7 200.6 2.3 0408 2200 49.2 761.0 837.0 110.0 7.8 176.8 1.1 0408 2300 49.1 762.0 836.0 109.7 7.8 172.7 0.0 0409 0000 49.1 762.0 836.0 109.7 7.8 176.7 0.0 0409 0100 49.1 762.0 836.0 109.7 7.8 177.0 0.0 0409 0200 49.1 762.0 838.0 110.0 7.8 177.3 0.0 0409 0300 49.1 762.0 839.0 110.1 7.8 177.2 0.0 0409 0400 49.1 762.0 839.0 110.1 7.8 177.4 0.0 0409 0500 49.0 762.0 839.0 110.1 7.8 179.2 0.0 0409 0600 49.0 762.0 839.0 110.1 7.8 199.4 0.1 0409 0700 49.0 762.0 838.0 110.0 7.8 203.4 2.3 0409 0800 48.9 762.0 837.0 109.8 7.8 202.5 2.3 TOTAL DISSOLVED GAS REPORT FOR CAMAS/WASHOUGAL starting at 0800 8 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0408 0800 + + + + + 218.4 2.3 0408 0900 + + + + + 207.3 2.3 0408 1000 + + + + + 191.0 2.3 0408 1100 + + + + + 183.0 2.3 0408 1200 + + + + + 182.6 2.3 0408 1300 + + + + + 184.1 2.3 0408 1400 + + + + + 184.6 2.3 0408 1500 + + + + + 184.7 2.3 0408 1600 + + + + + 185.8 2.3 0408 1700 + + + + + 185.0 2.3 0408 1800 + + + + + 199.8 2.3 0408 1900 + + + + + 202.4 2.3 0408 2000 + + + + + 200.9 2.3 0408 2100 + + + + + 200.6 2.3 0408 2200 + + + + + 176.8 1.1 0408 2300 + + + + + 172.7 0.0 0409 0000 + + + + + 176.7 0.0 0409 0100 + + + + + 177.0 0.0 0409 0200 + + + + + 177.3 0.0 0409 0300 + + + + + 177.2 0.0 0409 0400 + + + + + 177.4 0.0 0409 0500 + + + + + 179.2 0.0 0409 0600 + + + + + 199.4 0.1 0409 0700 + + + + + 203.4 2.3 0409 0800 + + + + + 202.5 2.3 TOTAL DISSOLVED GAS REPORT FOR CASCADE ISLAND, WA starting at 0800 8 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0408 0800 48.7 762.0 826.0 108.4 27.0 218.4 2.3 0408 0900 48.7 762.0 828.0 108.7 26.5 207.3 2.3 0408 1000 48.7 762.0 829.0 108.8 26.0 191.0 2.3 0408 1100 48.7 762.0 829.0 108.8 25.5 183.0 2.3 0408 1200 48.8 761.0 829.0 108.9 25.5 182.6 2.3 0408 1300 48.8 760.0 830.0 109.2 25.5 184.1 2.3 0408 1400 48.9 760.0 830.0 109.2 25.6 184.6 2.3 0408 1500 49.0 760.0 830.0 109.2 25.4 184.7 2.3 0408 1600 49.0 759.0 829.0 109.2 25.3 185.8 2.3 0408 1700 49.1 759.0 828.0 109.1 25.5 185.0 2.3 0408 1800 49.1 759.0 827.0 109.0 26.2 199.8 2.3 0408 1900 49.1 759.0 827.0 109.0 26.1 202.4 2.3 0408 2000 49.2 759.0 827.0 109.0 26.1 200.9 2.3 0408 2100 49.2 759.0 827.0 109.0 25.9 200.6 2.3 0408 2200 49.2 760.0 826.0 108.7 24.7 176.8 1.1 0408 2300 49.2 760.0 825.0 108.6 24.7 172.7 0.0 0409 0000 49.2 760.0 822.0 108.2 24.7 176.7 0.0 0409 0100 49.1 760.0 821.0 108.0 24.8 177.0 0.0 0409 0200 49.1 761.0 819.0 107.6 24.7 177.3 0.0 0409 0300 49.1 760.0 819.0 107.8 24.7 177.2 0.0 0409 0400 49.1 761.0 818.0 107.5 24.7 177.4 0.0 0409 0500 49.0 761.0 817.0 107.4 24.8 179.2 0.0 0409 0600 49.0 761.0 816.0 107.2 25.9 199.4 0.1 0409 0700 49.0 761.0 817.0 107.4 26.0 203.4 2.3 0409 0800 49.0 761.0 818.0 107.5 26.0 202.5 2.3