TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF HUNGRY HORSE starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0426 0700 + 678.0 + + 8.2 0.0 0426 0800 + 678.0 + + 8.1 0.0 0426 0900 + 678.0 + + 8.1 0.0 0426 1000 + 678.0 + + 8.1 0.0 0426 1100 + 678.0 + + 8.1 0.0 0426 1200 + 678.0 + + 8.1 0.0 0426 1300 + 678.0 + + 8.1 0.0 0426 1400 + 678.0 + + 8.1 0.0 0426 1500 + 678.0 + + 8.1 0.0 0426 1600 + 678.0 + + 8.1 0.0 0426 1700 + 679.0 + + 8.1 0.0 0426 1800 + 679.0 + + 8.3 0.0 0426 1900 + 680.0 + + 8.2 0.0 0426 2000 + 681.0 + + 8.1 0.0 0426 2100 + 681.0 + + 8.0 0.0 0426 2200 + 681.0 + + 8.2 0.0 0426 2300 + 681.0 + + 8.2 0.0 0427 0000 + 681.0 + + 8.2 0.0 0427 0100 + 681.0 + + 8.3 0.0 0427 0200 + 681.0 + + 8.2 0.0 0427 0300 + 681.0 + + 8.1 0.0 0427 0400 + 681.0 + + 8.0 0.0 0427 0500 + 681.0 + + 8.0 0.0 0427 0600 + 681.0 + + 8.2 0.0 0427 0700 + 681.0 + + 8.2 0.0 TOTAL DISSOLVED GAS REPORT FOR KOOTENAI R. BL LIBBY DAM starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0700 41.7 700.8 714.0 101.9 10.8 19.5 0.0 0426 0800 41.7 700.9 715.0 102.0 10.8 19.5 0.0 0426 0900 41.8 700.7 716.0 102.2 10.8 19.5 0.0 0426 1000 41.9 700.5 717.0 102.4 10.8 19.5 0.0 0426 1100 42.0 701.5 716.0 102.1 10.8 19.5 0.0 0426 1200 42.0 701.7 716.0 102.0 10.8 19.5 0.0 0426 1300 42.2 701.3 718.0 102.4 10.8 19.5 0.0 0426 1400 42.5 701.6 719.0 102.5 10.8 19.5 0.0 0426 1500 42.6 702.2 720.0 102.5 10.9 19.5 0.0 0426 1600 42.6 702.3 720.0 102.5 10.8 19.5 0.0 0426 1700 42.5 702.5 720.0 102.5 10.9 19.5 0.0 0426 1800 42.5 702.7 720.0 102.5 10.9 19.5 0.0 0426 1900 42.4 702.9 719.0 102.3 10.9 19.5 0.0 0426 2000 42.4 703.3 718.0 102.1 10.9 19.5 0.0 0426 2100 42.3 703.4 718.0 102.1 10.9 19.5 0.0 0426 2200 42.3 703.9 718.0 102.0 10.9 19.5 0.0 0426 2300 42.2 704.1 717.0 101.8 10.9 19.5 0.0 0427 0000 42.1 704.5 716.0 101.6 10.9 19.5 0.0 0427 0100 42.0 704.5 716.0 101.6 10.9 19.5 0.0 0427 0200 41.9 704.3 715.0 101.5 10.9 19.5 0.0 0427 0300 41.9 704.2 715.0 101.5 10.9 19.5 0.0 0427 0400 41.9 704.2 715.0 101.5 10.9 19.5 0.0 0427 0500 41.8 704.4 715.0 101.5 10.9 19.5 0.0 0427 0600 41.7 704.5 714.0 101.4 10.9 19.5 0.0 0427 0700 41.7 704.7 714.0 101.3 10.9 19.5 0.0 TOTAL DISSOLVED GAS REPORT FOR BOUNDARY starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG TOT FLOW DATE TIME DEG F PRES PRES % KCFS 0426 0700 46.6 721.1 787.0 109.1 117.0 0426 0800 46.8 721.1 786.0 109.0 118.0 0426 0900 46.9 720.9 787.0 109.2 118.0 0426 1000 47.0 720.6 787.0 109.2 119.0 0426 1100 47.1 720.1 789.0 109.6 120.0 0426 1200 47.2 719.8 792.0 110.0 118.0 0426 1300 47.3 719.6 795.0 110.5 119.0 0426 1400 47.5 719.7 799.0 111.0 120.0 0426 1500 47.6 719.9 804.0 111.7 119.0 0426 1600 47.6 719.9 806.0 112.0 121.0 0426 1700 47.6 719.9 806.0 112.0 121.0 0426 1800 47.6 720.2 804.0 111.6 122.0 0426 1900 47.5 720.3 802.0 111.3 122.0 0426 2000 47.4 720.8 800.0 111.0 122.0 0426 2100 47.4 721.7 798.0 110.6 123.0 0426 2200 47.3 722.2 796.0 110.2 122.0 0426 2300 47.2 722.6 795.0 110.0 123.0 0427 0000 47.1 723.1 793.0 109.7 117.0 0427 0100 46.8 723.4 792.0 109.5 115.0 0427 0200 46.8 723.6 792.0 109.5 113.0 0427 0300 46.8 723.6 792.0 109.5 114.0 0427 0400 46.8 723.6 791.0 109.3 116.0 0427 0500 46.9 723.8 791.0 109.3 118.0 0427 0600 46.9 723.8 790.0 109.1 120.0 0427 0700 + 724.3 + + + TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE FOREBAY starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0700 46.4 722.0 775.0 107.3 + 131.7 0.0 0426 0800 46.4 722.0 775.0 107.3 + 134.3 0.0 0426 0900 46.4 721.0 774.0 107.4 + 115.8 0.0 0426 1000 46.4 721.0 774.0 107.4 + 104.2 0.0 0426 1100 46.4 721.0 775.0 107.5 + 95.7 0.0 0426 1200 46.8 721.0 775.0 107.5 + 91.8 0.0 0426 1300 46.9 721.0 776.0 107.6 + 90.9 0.0 0426 1400 47.1 721.0 778.0 107.9 + 91.3 0.0 0426 1500 47.1 721.0 778.0 107.9 + 84.3 0.0 0426 1600 47.1 721.0 778.0 107.9 + 88.6 0.0 0426 1700 47.1 720.0 779.0 108.2 + 91.9 0.0 0426 1800 46.9 721.0 778.0 107.9 + 103.6 0.0 0426 1900 46.9 721.0 778.0 107.9 + 136.8 0.0 0426 2000 46.6 721.0 777.0 107.8 + 147.2 0.0 0426 2100 46.4 722.0 775.0 107.3 + 151.6 0.0 0426 2200 46.6 723.0 776.0 107.3 + 131.7 0.0 0426 2300 46.6 723.0 776.0 107.3 + 120.1 0.0 0427 0000 46.9 723.0 777.0 107.5 + 102.4 0.0 0427 0100 47.1 723.0 778.0 107.6 + 105.5 0.0 0427 0200 47.7 723.0 780.0 107.9 + 100.7 0.0 0427 0300 47.8 724.0 781.0 107.9 + 112.6 0.0 0427 0400 47.1 723.0 778.0 107.6 + 107.2 0.0 0427 0500 47.8 724.0 781.0 107.9 + 112.7 0.0 0427 0600 48.0 724.0 781.0 107.9 + 124.9 0.0 0427 0700 47.1 724.0 778.0 107.5 + 129.0 0.0 TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE TAILWATER starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0426 0700 + 731.0 779.0 106.6 131.7 0.0 0426 0800 + 731.0 779.0 106.6 134.3 0.0 0426 0900 + 730.0 780.0 106.8 115.8 0.0 0426 1000 + 730.0 781.0 107.0 104.2 0.0 0426 1100 + 730.0 783.0 107.3 95.7 0.0 0426 1200 + 729.0 784.0 107.5 91.8 0.0 0426 1300 + 729.0 787.0 108.0 90.9 0.0 0426 1400 + 729.0 789.0 108.2 91.3 0.0 0426 1500 + 729.0 790.0 108.4 84.3 0.0 0426 1600 + 729.0 790.0 108.4 88.6 0.0 0426 1700 + 729.0 790.0 108.4 91.9 0.0 0426 1800 + 729.0 789.0 108.2 103.6 0.0 0426 1900 + 729.0 788.0 108.1 136.8 0.0 0426 2000 + 730.0 786.0 107.7 147.2 0.0 0426 2100 + 731.0 782.0 107.0 151.6 0.0 0426 2200 + 731.0 780.0 106.7 131.7 0.0 0426 2300 + 731.0 779.0 106.6 120.1 0.0 0427 0000 + 732.0 779.0 106.4 102.4 0.0 0427 0100 + 732.0 779.0 106.4 105.5 0.0 0427 0200 + 732.0 780.0 106.6 100.7 0.0 0427 0300 + 732.0 782.0 106.8 112.6 0.0 0427 0400 + 732.0 783.0 107.0 107.2 0.0 0427 0500 + 733.0 783.0 106.8 112.7 0.0 0427 0600 + 733.0 783.0 106.8 124.9 0.0 0427 0700 + 733.0 783.0 106.8 129.0 0.0 TOTAL DISSOLVED GAS REPORT FOR CHIEF JOSEPH starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0700 + + + + + 124.2 0.0 0426 0800 + + + + + 124.7 0.0 0426 0900 + + + + + 123.4 0.0 0426 1000 + + + + + 116.8 0.0 0426 1100 + + + + + 104.9 0.0 0426 1200 + + + + + 104.0 0.0 0426 1300 + + + + + 101.7 0.0 0426 1400 + + + + + 99.4 0.0 0426 1500 + + + + + 89.8 0.0 0426 1600 + + + + + 94.0 0.0 0426 1700 + + + + + 96.2 0.0 0426 1800 + + + + + 96.8 0.0 0426 1900 + + + + + 116.8 0.0 0426 2000 + + + + + 131.3 0.0 0426 2100 + + + + + 141.9 0.0 0426 2200 + + + + + 145.0 0.0 0426 2300 + + + + + 138.8 0.0 0427 0000 + + + + + 126.2 0.0 0427 0100 + + + + + 133.8 0.0 0427 0200 + + + + + 134.3 0.0 0427 0300 + + + + + 105.5 0.0 0427 0400 + + + + + 104.9 0.0 0427 0500 + + + + + 109.0 0.0 0427 0600 + + + + + 117.8 0.0 0427 0700 + + + + + 122.4 0.0 TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF CHIEF JOSEPH starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0700 45.3 735.5 774.0 105.2 12.5 124.2 0.0 0426 0800 45.4 735.6 775.0 105.4 12.4 124.7 0.0 0426 0900 45.4 735.4 777.0 105.7 12.0 123.4 0.0 0426 1000 45.5 735.1 778.0 105.8 11.9 116.8 0.0 0426 1100 45.7 734.9 784.0 106.7 11.6 104.9 0.0 0426 1200 45.8 734.4 783.0 106.6 11.6 104.0 0.0 0426 1300 45.9 734.0 782.0 106.5 12.0 101.7 0.0 0426 1400 45.9 733.7 782.0 106.6 12.0 99.4 0.0 0426 1500 45.9 733.8 785.0 107.0 12.0 89.8 0.0 0426 1600 45.8 733.8 786.0 107.1 12.3 94.0 0.0 0426 1700 45.9 733.8 785.0 107.0 12.9 96.2 0.0 0426 1800 45.8 734.0 784.0 106.8 12.7 96.8 0.0 0426 1900 45.7 734.2 784.0 106.8 13.7 116.8 0.0 0426 2000 45.7 734.7 784.0 106.7 12.9 131.3 0.0 0426 2100 45.7 735.0 785.0 106.8 13.2 141.9 0.0 0426 2200 45.6 735.5 785.0 106.7 13.3 145.0 0.0 0426 2300 45.6 735.7 784.0 106.6 13.2 138.8 0.0 0427 0000 45.6 736.2 780.0 105.9 13.1 126.2 0.0 0427 0100 45.6 736.6 782.0 106.2 13.4 133.8 0.0 0427 0200 45.6 736.8 783.0 106.3 14.1 134.3 0.0 0427 0300 45.6 737.0 787.0 106.8 13.4 105.5 0.0 0427 0400 45.6 737.4 789.0 107.0 13.6 104.9 0.0 0427 0500 45.6 737.6 784.0 106.3 13.0 109.0 0.0 0427 0600 45.6 737.7 780.0 105.7 13.3 117.8 0.0 0427 0700 45.6 738.2 782.0 105.9 13.0 122.4 0.0 TOTAL DISSOLVED GAS REPORT FOR WELLS starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0700 46.8 740.0 782.0 105.7 + 165.9 10.3 0426 0800 46.8 740.0 782.0 105.7 + 163.5 10.3 0426 0900 46.8 739.0 782.0 105.8 + 156.6 10.3 0426 1000 46.8 739.0 781.0 105.7 + 138.0 10.3 0426 1100 46.9 737.0 781.0 106.0 + 110.2 9.0 0426 1200 46.9 736.0 782.0 106.2 + 93.3 8.1 0426 1300 47.1 735.0 783.0 106.5 + 95.3 8.1 0426 1400 47.1 734.0 784.0 106.8 + 84.5 8.1 0426 1500 47.3 734.0 786.0 107.1 + 82.3 8.1 0426 1600 46.9 735.0 784.0 106.7 + 58.7 4.4 0426 1700 46.9 735.0 783.0 106.5 + 100.7 6.5 0426 1800 46.9 736.0 784.0 106.5 + 109.2 6.7 0426 1900 46.9 737.0 783.0 106.2 + 171.6 8.7 0426 2000 46.6 737.0 780.0 105.8 + 167.1 8.7 0426 2100 46.4 738.0 778.0 105.4 + 151.6 8.7 0426 2200 46.4 738.0 778.0 105.4 + 149.9 8.7 0426 2300 46.2 739.0 778.0 105.3 + 140.1 8.7 0427 0000 46.2 739.0 777.0 105.1 + 132.1 8.7 0427 0100 46.2 739.0 777.0 105.1 + 79.3 6.6 0427 0200 46.4 740.0 777.0 105.0 + 118.1 6.5 0427 0300 46.4 740.0 777.0 105.0 + 120.9 6.5 0427 0400 46.4 741.0 777.0 104.9 + 154.0 11.1 0427 0500 46.4 741.0 778.0 105.0 + 149.1 11.5 0427 0600 46.4 741.0 778.0 105.0 + 157.5 11.5 0427 0700 46.4 742.0 779.0 105.0 + 164.9 11.5 TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF WELLS starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0700 46.4 740.0 797.0 107.7 + 165.9 10.3 0426 0800 46.4 740.0 797.0 107.7 + 163.5 10.3 0426 0900 46.4 739.0 797.0 107.8 + 156.6 10.3 0426 1000 46.6 739.0 798.0 108.0 + 138.0 10.3 0426 1100 46.6 737.0 798.0 108.3 + 110.2 9.0 0426 1200 46.8 736.0 799.0 108.6 + 93.3 8.1 0426 1300 46.8 735.0 800.0 108.8 + 95.3 8.1 0426 1400 46.9 734.0 800.0 109.0 + 84.5 8.1 0426 1500 46.9 734.0 800.0 109.0 + 82.3 8.1 0426 1600 46.9 735.0 800.0 108.8 + 58.7 4.4 0426 1700 47.1 735.0 801.0 109.0 + 100.7 6.5 0426 1800 46.8 736.0 801.0 108.8 + 109.2 6.7 0426 1900 46.8 737.0 800.0 108.5 + 171.6 8.7 0426 2000 46.6 737.0 799.0 108.4 + 167.1 8.7 0426 2100 46.4 738.0 798.0 108.1 + 151.6 8.7 0426 2200 46.4 738.0 797.0 108.0 + 149.9 8.7 0426 2300 46.2 739.0 796.0 107.7 + 140.1 8.7 0427 0000 46.0 739.0 795.0 107.6 + 132.1 8.7 0427 0100 46.0 739.0 794.0 107.4 + 79.3 6.6 0427 0200 46.0 740.0 794.0 107.3 + 118.1 6.5 0427 0300 46.0 740.0 794.0 107.3 + 120.9 6.5 0427 0400 46.0 741.0 794.0 107.2 + 154.0 11.1 0427 0500 46.0 741.0 793.0 107.0 + 149.1 11.5 0427 0600 46.0 741.0 794.0 107.2 + 157.5 11.5 0427 0700 46.0 742.0 794.0 107.0 + 164.9 11.5 TOTAL DISSOLVED GAS REPORT FOR ROCKY REACH starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0700 47.5 736.0 793.0 107.7 + 135.8 0.0 0426 0800 47.5 736.0 793.0 107.7 + 137.2 0.0 0426 0900 47.5 736.0 793.0 107.7 + 122.2 0.0 0426 1000 47.5 736.0 792.0 107.6 + 118.0 0.0 0426 1100 47.5 736.0 792.0 107.6 + 114.1 0.0 0426 1200 47.5 735.0 793.0 107.9 + 109.7 0.0 0426 1300 47.5 735.0 793.0 107.9 + 99.7 0.0 0426 1400 47.5 734.0 793.0 108.0 + 76.5 0.0 0426 1500 47.5 734.0 792.0 107.9 + 85.6 0.0 0426 1600 47.5 734.0 793.0 108.0 + 80.1 0.0 0426 1700 47.7 735.0 794.0 108.0 + 94.8 0.0 0426 1800 47.7 735.0 793.0 107.9 + 123.3 0.0 0426 1900 47.7 735.0 795.0 108.2 + 138.7 0.0 0426 2000 47.8 735.0 796.0 108.3 + 130.6 0.0 0426 2100 47.8 736.0 797.0 108.3 + 126.9 0.0 0426 2200 47.8 736.0 797.0 108.3 + 147.2 0.0 0426 2300 47.8 737.0 798.0 108.3 + 141.9 0.0 0427 0000 47.8 737.0 797.0 108.1 + 143.4 0.0 0427 0100 47.8 737.0 797.0 108.1 + 136.9 0.0 0427 0200 47.8 737.0 797.0 108.1 + 120.7 0.0 0427 0300 47.8 737.0 796.0 108.0 + 107.4 0.0 0427 0400 47.7 738.0 796.0 107.9 + 92.5 0.0 0427 0500 47.7 738.0 796.0 107.9 + 115.3 0.0 0427 0600 47.7 739.0 796.0 107.7 + 158.8 0.0 0427 0700 + + + + + 167.6 0.0 TOTAL DISSOLVED GAS REPORT FOR ROCKY REACH TAILWATER starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0700 47.3 736.0 785.0 106.7 + 135.8 0.0 0426 0800 47.3 736.0 784.0 106.5 + 137.2 0.0 0426 0900 47.3 736.0 783.0 106.4 + 122.2 0.0 0426 1000 47.3 736.0 783.0 106.4 + 118.0 0.0 0426 1100 47.3 736.0 783.0 106.4 + 114.1 0.0 0426 1200 47.3 735.0 784.0 106.7 + 109.7 0.0 0426 1300 47.3 735.0 784.0 106.7 + 99.7 0.0 0426 1400 47.5 734.0 784.0 106.8 + 76.5 0.0 0426 1500 47.5 734.0 784.0 106.8 + 85.6 0.0 0426 1600 47.5 734.0 784.0 106.8 + 80.1 0.0 0426 1700 47.5 735.0 786.0 106.9 + 94.8 0.0 0426 1800 47.5 735.0 787.0 107.1 + 123.3 0.0 0426 1900 47.7 735.0 789.0 107.3 + 138.7 0.0 0426 2000 47.7 735.0 790.0 107.5 + 130.6 0.0 0426 2100 47.7 736.0 790.0 107.3 + 126.9 0.0 0426 2200 47.7 736.0 790.0 107.3 + 147.2 0.0 0426 2300 47.8 737.0 791.0 107.3 + 141.9 0.0 0427 0000 47.8 737.0 791.0 107.3 + 143.4 0.0 0427 0100 47.7 737.0 791.0 107.3 + 136.9 0.0 0427 0200 47.7 737.0 790.0 107.2 + 120.7 0.0 0427 0300 47.7 737.0 789.0 107.1 + 107.4 0.0 0427 0400 47.7 738.0 788.0 106.8 + 92.5 0.0 0427 0500 47.7 738.0 787.0 106.6 + 115.3 0.0 0427 0600 47.5 739.0 789.0 106.8 + 158.8 0.0 0427 0700 + + + + + 167.6 0.0 TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0700 47.8 742.0 791.0 106.6 + 157.5 12.3 0426 0800 47.8 742.0 790.0 106.5 + 150.3 9.5 0426 0900 47.8 742.0 790.0 106.5 + 148.0 9.5 0426 1000 47.8 741.0 790.0 106.6 + 133.6 9.5 0426 1100 47.8 741.0 791.0 106.7 + 126.4 9.5 0426 1200 48.0 740.0 792.0 107.0 + 114.4 9.8 0426 1300 48.0 740.0 793.0 107.2 + 122.0 12.7 0426 1400 48.0 740.0 795.0 107.4 + 111.8 12.6 0426 1500 48.2 740.0 795.0 107.4 + 81.8 12.6 0426 1600 48.2 740.0 795.0 107.4 + 81.9 12.9 0426 1700 48.2 740.0 796.0 107.6 + 96.0 12.8 0426 1800 48.2 740.0 796.0 107.6 + 124.5 12.5 0426 1900 48.2 740.0 797.0 107.7 + 144.1 12.3 0426 2000 48.2 741.0 797.0 107.6 + 143.8 12.5 0426 2100 48.0 742.0 796.0 107.3 + 132.7 16.5 0426 2200 48.0 742.0 796.0 107.3 + 136.1 16.5 0426 2300 48.0 742.0 796.0 107.3 + 154.8 16.5 0427 0000 48.0 742.0 796.0 107.3 + 153.5 16.5 0427 0100 48.0 742.0 796.0 107.3 + 154.1 16.5 0427 0200 48.0 743.0 795.0 107.0 + 148.2 16.5 0427 0300 47.8 743.0 794.0 106.9 + 132.9 16.5 0427 0400 47.8 743.0 793.0 106.7 + 110.7 16.1 0427 0500 47.8 743.0 792.0 106.6 + 74.3 37.8 0427 0600 47.8 744.0 792.0 106.5 + 129.6 68.9 0427 0700 + + + + + 169.6 39.3 TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND TAILWATER starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0700 47.8 742.0 799.0 107.7 + 157.5 12.3 0426 0800 47.8 742.0 798.0 107.5 + 150.3 9.5 0426 0900 47.8 742.0 796.0 107.3 + 148.0 9.5 0426 1000 47.8 741.0 796.0 107.4 + 133.6 9.5 0426 1100 47.8 741.0 796.0 107.4 + 126.4 9.5 0426 1200 47.8 740.0 796.0 107.6 + 114.4 9.8 0426 1300 47.8 740.0 797.0 107.7 + 122.0 12.7 0426 1400 47.8 740.0 800.0 108.1 + 111.8 12.6 0426 1500 48.0 740.0 802.0 108.4 + 81.8 12.6 0426 1600 48.0 740.0 803.0 108.5 + 81.9 12.9 0426 1700 48.0 740.0 804.0 108.6 + 96.0 12.8 0426 1800 48.0 740.0 804.0 108.6 + 124.5 12.5 0426 1900 48.0 740.0 803.0 108.5 + 144.1 12.3 0426 2000 48.0 741.0 803.0 108.4 + 143.8 12.5 0426 2100 48.0 742.0 803.0 108.2 + 132.7 16.5 0426 2200 48.0 742.0 809.0 109.0 + 136.1 16.5 0426 2300 48.0 742.0 811.0 109.3 + 154.8 16.5 0427 0000 48.0 742.0 812.0 109.4 + 153.5 16.5 0427 0100 48.0 742.0 812.0 109.4 + 154.1 16.5 0427 0200 48.0 743.0 811.0 109.2 + 148.2 16.5 0427 0300 47.8 743.0 810.0 109.0 + 132.9 16.5 0427 0400 47.8 743.0 809.0 108.9 + 110.7 16.1 0427 0500 47.8 743.0 808.0 108.7 + 74.3 37.8 0427 0600 47.8 744.0 820.0 110.2 + 129.6 68.9 0427 0700 + + + + + 169.6 39.3 TOTAL DISSOLVED GAS REPORT FOR WANAPUM starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0700 + + + + + 157.5 19.9 0426 0800 + + + + + 154.0 19.9 0426 0900 + + + + + 148.2 19.9 0426 1000 + + + + + 122.0 20.0 0426 1100 + + + + + 116.8 20.1 0426 1200 + + + + + 100.7 20.1 0426 1300 + + + + + 93.4 20.2 0426 1400 + + + + + 98.6 20.3 0426 1500 + + + + + 100.3 20.4 0426 1600 + + + + + 98.5 20.3 0426 1700 + + + + + 125.2 20.0 0426 1800 + + + + + 156.1 19.9 0426 1900 + + + + + 173.0 19.8 0426 2000 + + + + + 174.4 19.7 0426 2100 + + + + + 173.7 19.6 0426 2200 + + + + + 170.1 19.4 0426 2300 + + + + + 166.8 19.3 0427 0000 + + + + + 159.5 19.4 0427 0100 + + + + + 140.9 19.4 0427 0200 + + + + + 144.3 19.4 0427 0300 + + + + + 149.1 19.5 0427 0400 + + + + + 156.0 19.4 0427 0500 + + + + + 153.1 19.2 0427 0600 + + + + + 159.6 18.9 0427 0700 + + + + + 159.3 18.8 TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF WANAPUM starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0700 + + + + + 157.5 19.9 0426 0800 + + + + + 154.0 19.9 0426 0900 + + + + + 148.2 19.9 0426 1000 + + + + + 122.0 20.0 0426 1100 + + + + + 116.8 20.1 0426 1200 + + + + + 100.7 20.1 0426 1300 + + + + + 93.4 20.2 0426 1400 + + + + + 98.6 20.3 0426 1500 + + + + + 100.3 20.4 0426 1600 + + + + + 98.5 20.3 0426 1700 + + + + + 125.2 20.0 0426 1800 + + + + + 156.1 19.9 0426 1900 + + + + + 173.0 19.8 0426 2000 + + + + + 174.4 19.7 0426 2100 + + + + + 173.7 19.6 0426 2200 + + + + + 170.1 19.4 0426 2300 + + + + + 166.8 19.3 0427 0000 + + + + + 159.5 19.4 0427 0100 + + + + + 140.9 19.4 0427 0200 + + + + + 144.3 19.4 0427 0300 + + + + + 149.1 19.5 0427 0400 + + + + + 156.0 19.4 0427 0500 + + + + + 153.1 19.2 0427 0600 + + + + + 159.6 18.9 0427 0700 + + + + + 159.3 18.8 TOTAL DISSOLVED GAS REPORT FOR PRIEST RAPIDS starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0700 + + + + + 159.1 25.6 0426 0800 + + + + + 159.1 25.5 0426 0900 + + + + + 156.0 25.4 0426 1000 + + + + + 144.1 25.3 0426 1100 + + + + + 131.7 25.0 0426 1200 + + + + + 126.0 24.7 0426 1300 + + + + + 120.7 24.1 0426 1400 + + + + + + + 0426 1500 + + + + + 120.9 22.6 0426 1600 + + + + + 120.7 21.8 0426 1700 + + + + + 121.7 21.2 0426 1800 + + + + + 129.9 20.9 0426 1900 + + + + + 149.7 20.9 0426 2000 + + + + + 157.8 21.2 0426 2100 + + + + + 155.6 21.6 0426 2200 + + + + + 155.8 22.2 0426 2300 + + + + + 153.4 22.6 0427 0000 + + + + + 148.7 23.1 0427 0100 + + + + + 144.1 23.6 0427 0200 + + + + + 144.4 23.6 0427 0300 + + + + + 145.3 23.5 0427 0400 + + + + + 145.2 23.4 0427 0500 + + + + + 145.3 23.6 0427 0600 + + + + + 145.2 23.8 0427 0700 + + + + + 145.2 24.1 TOTAL DISSOLVED GAS REPORT FOR BELOW PRIEST RAPIDS starting at 0700 26 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0426 0700 + + + + + 159.1 25.6 0426 0800 + + + + + 159.1 25.5 0426 0900 + + + + + 156.0 25.4 0426 1000 + + + + + 144.1 25.3 0426 1100 + + + + + 131.7 25.0 0426 1200 + + + + + 126.0 24.7 0426 1300 + + + + + 120.7 24.1 0426 1400 + + + + + + + 0426 1500 + + + + + 120.9 22.6 0426 1600 + + + + + 120.7 21.8 0426 1700 + + + + + 121.7 21.2 0426 1800 + + + + + 129.9 20.9 0426 1900 + + + + + 149.7 20.9 0426 2000 + + + + + 157.8 21.2 0426 2100 + + + + + 155.6 21.6 0426 2200 + + + + + 155.8 22.2 0426 2300 + + + + + 153.4 22.6 0427 0000 + + + + + 148.7 23.1 0427 0100 + + + + + 144.1 23.6 0427 0200 + + + + + 144.4 23.6 0427 0300 + + + + + 145.3 23.5 0427 0400 + + + + + 145.2 23.4 0427 0500 + + + + + 145.3 23.6 0427 0600 + + + + + 145.2 23.8 0427 0700 + + + + + 145.2 24.1