TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF HUNGRY HORSE starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0419 1100 + 683.0 + + 8.3 0.0 0419 1200 + 682.0 + + 8.2 0.0 0419 1300 + 681.0 + + 8.4 0.0 0419 1400 + 681.0 + + 8.2 0.0 0419 1500 + 680.0 + + 8.3 0.0 0419 1600 + 680.0 + + 8.2 0.0 0419 1700 + 679.0 + + 8.4 0.0 0419 1800 + 679.0 + + 8.4 0.0 0419 1900 + 679.0 + + 8.4 0.0 0419 2000 + 679.0 + + 8.2 0.0 0419 2100 + 679.0 + + 8.2 0.0 0419 2200 + 680.0 + + 8.2 0.0 0419 2300 + 680.0 + + 8.1 0.0 0420 0000 + 680.0 + + 8.1 0.0 0420 0100 + 680.0 + + 8.0 0.0 0420 0200 + 680.0 + + 8.3 0.0 0420 0300 + 680.0 + + 8.2 0.0 0420 0400 + 680.0 + + 8.3 0.0 0420 0500 + 680.0 + + 8.2 0.0 0420 0600 + 680.0 + + 8.3 0.0 0420 0700 + 680.0 + + 8.2 0.0 0420 0800 + 680.0 + + 8.2 0.0 0420 0900 + 680.0 + + 8.6 0.0 0420 1000 + 679.0 + + 8.3 0.0 0420 1100 + 679.0 + + 8.2 0.0 TOTAL DISSOLVED GAS REPORT FOR KOOTENAI R. BL LIBBY DAM starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0419 1100 40.0 706.0 712.0 100.9 11.0 19.5 0.0 0419 1200 40.0 705.1 713.0 101.1 10.9 19.5 0.0 0419 1300 40.2 704.2 714.0 101.4 10.9 19.5 0.0 0419 1400 40.4 703.4 715.0 101.6 10.9 19.5 0.0 0419 1500 40.5 702.7 716.0 101.9 10.8 19.5 0.0 0419 1600 40.6 702.0 717.0 102.1 10.8 19.5 0.0 0419 1700 40.7 701.4 717.0 102.2 10.8 19.5 0.0 0419 1800 40.6 701.3 716.0 102.1 10.8 19.5 0.0 0419 1900 40.5 701.2 715.0 102.0 10.8 19.5 0.0 0419 2000 40.5 701.7 714.0 101.8 10.8 19.5 0.0 0419 2100 40.5 702.2 714.0 101.7 10.8 19.5 0.0 0419 2200 40.5 702.5 714.0 101.6 10.8 19.5 0.0 0419 2300 40.6 702.8 714.0 101.6 10.8 19.5 0.0 0420 0000 40.5 703.0 714.0 101.6 10.8 19.5 0.0 0420 0100 40.5 703.4 713.0 101.4 10.9 19.5 0.0 0420 0200 40.4 703.7 713.0 101.3 10.9 19.5 0.0 0420 0300 40.3 703.9 712.0 101.2 10.9 19.5 0.0 0420 0400 40.2 703.9 712.0 101.2 10.9 19.5 0.0 0420 0500 40.2 704.1 712.0 101.1 10.9 19.5 0.0 0420 0600 40.2 703.9 711.0 101.0 10.9 19.5 0.0 0420 0700 40.1 703.9 712.0 101.2 10.9 19.5 0.0 0420 0800 40.1 703.6 712.0 101.2 10.8 19.5 0.0 0420 0900 40.1 702.9 713.0 101.4 10.8 19.5 0.0 0420 1000 40.2 702.2 713.0 101.5 10.8 + + 0420 1100 40.3 701.6 714.0 101.8 10.8 + + TOTAL DISSOLVED GAS REPORT FOR BOUNDARY starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG TOT FLOW DATE TIME DEG F PRES PRES % KCFS 0419 1100 45.0 726.6 772.0 106.2 101.0 0419 1200 45.2 725.8 773.0 106.5 102.0 0419 1300 45.2 724.9 775.0 106.9 101.0 0419 1400 45.3 724.0 776.0 107.2 101.0 0419 1500 45.4 723.6 778.0 107.5 102.0 0419 1600 45.5 723.0 778.0 107.6 100.0 0419 1700 45.6 722.4 779.0 107.8 103.0 0419 1800 45.7 722.0 779.0 107.9 109.0 0419 1900 45.7 721.8 778.0 107.8 112.0 0419 2000 45.6 721.7 777.0 107.7 111.0 0419 2100 45.6 722.3 776.0 107.4 111.0 0419 2200 45.5 722.8 775.0 107.2 112.0 0419 2300 45.4 723.0 774.0 107.1 112.0 0420 0000 45.3 723.3 773.0 106.9 110.0 0420 0100 45.2 723.7 772.0 106.7 110.0 0420 0200 45.1 724.1 771.0 106.5 109.0 0420 0300 45.1 724.2 770.0 106.3 109.0 0420 0400 45.0 724.2 771.0 106.5 110.0 0420 0500 45.0 724.1 774.0 106.9 110.0 0420 0600 45.0 724.0 777.0 107.3 109.0 0420 0700 45.0 723.9 779.0 107.6 108.0 0420 0800 45.0 724.1 781.0 107.9 108.0 0420 0900 45.1 723.5 784.0 108.4 108.0 0420 1000 + 723.0 + + + 0420 1100 + + + + + TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE FOREBAY starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0419 1100 46.8 727.0 782.0 107.6 + 139.5 0.0 0419 1200 46.9 726.0 784.0 108.0 + 129.6 0.0 0419 1300 45.7 726.0 779.0 107.3 + 124.1 0.0 0419 1400 46.0 725.0 780.0 107.6 + 118.9 0.0 0419 1500 45.7 725.0 779.0 107.4 + 119.7 0.0 0419 1600 45.1 724.0 775.0 107.0 + 126.0 0.0 0419 1700 45.1 723.0 773.0 106.9 + 140.3 0.0 0419 1800 46.0 723.0 778.0 107.6 + 138.6 0.0 0419 1900 45.5 723.0 775.0 107.2 + 174.3 0.0 0419 2000 45.5 723.0 775.0 107.2 + 177.9 0.0 0419 2100 45.3 723.0 774.0 107.1 + 173.6 0.0 0419 2200 45.7 723.0 775.0 107.2 + 177.0 0.0 0419 2300 45.1 724.0 773.0 106.8 + 166.0 0.0 0420 0000 45.5 724.0 775.0 107.0 + 152.6 0.0 0420 0100 45.1 724.0 773.0 106.8 + 125.8 0.0 0420 0200 45.0 724.0 772.0 106.6 + 127.8 0.0 0420 0300 45.1 724.0 772.0 106.6 + 123.1 0.0 0420 0400 45.3 724.0 773.0 106.8 + 123.8 0.0 0420 0500 45.7 724.0 775.0 107.0 + 137.8 0.0 0420 0600 45.7 724.0 776.0 107.2 + 155.5 0.0 0420 0700 45.3 724.0 775.0 107.0 + 148.5 0.0 0420 0800 45.1 724.0 774.0 106.9 + 153.7 0.0 0420 0900 45.1 724.0 773.0 106.8 + 134.7 0.0 0420 1000 45.5 723.0 775.0 107.2 + 129.4 0.0 0420 1100 45.1 723.0 773.0 106.9 + 105.9 0.0 TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE TAILWATER starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0419 1100 + 735.0 776.0 105.6 139.5 0.0 0419 1200 + 735.0 777.0 105.7 129.6 0.0 0419 1300 + 734.0 778.0 106.0 124.1 0.0 0419 1400 + 733.0 779.0 106.3 118.9 0.0 0419 1500 + 733.0 779.0 106.3 119.7 0.0 0419 1600 + 732.0 779.0 106.4 126.0 0.0 0419 1700 + 732.0 779.0 106.4 140.3 0.0 0419 1800 + 731.0 779.0 106.6 138.6 0.0 0419 1900 + 731.0 778.0 106.4 174.3 0.0 0419 2000 + 731.0 777.0 106.3 177.9 0.0 0419 2100 + 732.0 775.0 105.9 173.6 0.0 0419 2200 + 732.0 775.0 105.9 177.0 0.0 0419 2300 + 732.0 775.0 105.9 166.0 0.0 0420 0000 + 732.0 774.0 105.7 152.6 0.0 0420 0100 + 733.0 775.0 105.7 125.8 0.0 0420 0200 + 733.0 774.0 105.6 127.8 0.0 0420 0300 + 733.0 775.0 105.7 123.1 0.0 0420 0400 + 733.0 774.0 105.6 123.8 0.0 0420 0500 + 733.0 775.0 105.7 137.8 0.0 0420 0600 + 733.0 775.0 105.7 155.5 0.0 0420 0700 + 733.0 775.0 105.7 148.5 0.0 0420 0800 + 733.0 776.0 105.9 153.7 0.0 0420 0900 + 732.0 776.0 106.0 134.7 0.0 0420 1000 + 732.0 777.0 106.1 129.4 0.0 0420 1100 + 732.0 777.0 106.1 105.9 0.0 TOTAL DISSOLVED GAS REPORT FOR CHIEF JOSEPH starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0419 1100 + + + + + 133.6 0.0 0419 1200 + + + + + 133.1 0.0 0419 1300 + + + + + 135.5 0.0 0419 1400 + + + + + 136.6 0.0 0419 1500 + + + + + 136.5 0.0 0419 1600 + + + + + 135.8 0.0 0419 1700 + + + + + 137.0 0.0 0419 1800 + + + + + 139.3 0.0 0419 1900 + + + + + 141.9 0.0 0419 2000 + + + + + 141.5 0.0 0419 2100 + + + + + 141.8 0.0 0419 2200 + + + + + 140.4 0.0 0419 2300 + + + + + 140.1 0.0 0420 0000 + + + + + 137.7 0.0 0420 0100 + + + + + 138.0 0.0 0420 0200 + + + + + 138.0 0.0 0420 0300 + + + + + 138.7 0.0 0420 0400 + + + + + 129.5 3.8 0420 0500 + + + + + 130.0 4.8 0420 0600 + + + + + 127.9 4.8 0420 0700 + + + + + 125.5 4.8 0420 0800 + + + + + 123.4 4.8 0420 0900 + + + + + 132.7 15.2 0420 1000 + + + + + 133.5 15.3 0420 1100 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF CHIEF JOSEPH starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0419 1100 44.3 740.4 780.0 105.3 11.0 133.6 0.0 0419 1200 44.4 739.7 781.0 105.6 11.0 133.1 0.0 0419 1300 44.4 739.0 781.0 105.7 11.0 135.5 0.0 0419 1400 44.4 738.3 781.0 105.8 12.0 136.6 0.0 0419 1500 44.5 737.6 781.0 105.9 12.0 136.5 0.0 0419 1600 44.5 737.0 782.0 106.1 13.0 135.8 0.0 0419 1700 44.4 736.5 781.0 106.0 13.0 137.0 0.0 0419 1800 44.4 736.2 781.0 106.1 13.0 139.3 0.0 0419 1900 44.4 735.9 780.0 106.0 13.0 141.9 0.0 0419 2000 44.4 735.9 780.0 106.0 13.0 141.5 0.0 0419 2100 44.4 736.2 781.0 106.1 13.0 141.8 0.0 0419 2200 44.4 736.5 781.0 106.0 12.0 140.4 0.0 0419 2300 44.4 736.9 781.0 106.0 12.0 140.1 0.0 0420 0000 44.4 736.9 781.0 106.0 12.0 137.7 0.0 0420 0100 44.4 737.2 781.0 105.9 12.0 138.0 0.0 0420 0200 44.3 737.1 780.0 105.8 12.0 138.0 0.0 0420 0300 44.3 737.3 779.0 105.7 12.0 138.7 0.0 0420 0400 44.3 737.2 780.0 105.8 11.0 129.5 3.8 0420 0500 44.3 737.4 783.0 106.2 11.0 130.0 4.8 0420 0600 44.3 737.4 783.0 106.2 11.0 127.9 4.8 0420 0700 44.2 737.4 783.0 106.2 11.0 125.5 4.8 0420 0800 44.3 737.5 782.0 106.0 10.0 123.4 4.8 0420 0900 44.4 737.2 787.0 106.8 11.0 132.7 15.2 0420 1000 44.5 736.9 787.0 106.8 11.0 133.5 15.3 0420 1100 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR WELLS starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0419 1100 45.7 743.0 779.0 104.8 + 79.4 7.6 0419 1200 45.7 742.0 779.0 105.0 + 92.5 6.5 0419 1300 45.9 740.0 780.0 105.4 + 81.1 6.5 0419 1400 46.0 739.0 782.0 105.8 + 76.6 6.5 0419 1500 46.0 738.0 783.0 106.1 + 69.8 7.8 0419 1600 46.2 737.0 784.0 106.4 + 107.7 24.1 0419 1700 46.0 737.0 782.0 106.1 + 140.2 26.9 0419 1800 46.0 738.0 783.0 106.1 + 161.1 13.2 0419 1900 45.9 738.0 781.0 105.8 + 175.5 12.6 0419 2000 45.7 738.0 779.0 105.6 + 163.0 12.6 0419 2100 45.7 738.0 778.0 105.4 + 175.5 12.6 0419 2200 45.7 739.0 778.0 105.3 + 176.1 12.6 0419 2300 45.7 740.0 777.0 105.0 + 171.2 12.6 0420 0000 45.7 740.0 778.0 105.1 + 168.1 12.6 0420 0100 45.7 740.0 778.0 105.1 + 169.0 12.0 0420 0200 45.7 740.0 779.0 105.3 + 166.4 12.0 0420 0300 45.7 741.0 780.0 105.3 + 167.4 12.0 0420 0400 45.7 741.0 780.0 105.3 + 166.1 12.0 0420 0500 45.7 741.0 781.0 105.4 + 162.6 12.0 0420 0600 45.9 741.0 782.0 105.5 + 173.3 12.0 0420 0700 45.7 741.0 781.0 105.4 + 173.3 12.0 0420 0800 45.7 741.0 781.0 105.4 + 162.5 12.0 0420 0900 45.7 740.0 781.0 105.5 + 132.2 12.0 0420 1000 45.7 739.0 781.0 105.7 + 130.5 12.0 0420 1100 45.7 739.0 781.0 105.7 + 126.9 12.0 TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF WELLS starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0419 1100 45.3 743.0 791.0 106.5 + 79.4 7.6 0419 1200 45.5 742.0 793.0 106.9 + 92.5 6.5 0419 1300 45.7 740.0 795.0 107.4 + 81.1 6.5 0419 1400 45.9 739.0 797.0 107.8 + 76.6 6.5 0419 1500 45.9 738.0 798.0 108.1 + 69.8 7.8 0419 1600 46.0 737.0 799.0 108.4 + 107.7 24.1 0419 1700 45.9 737.0 803.0 109.0 + 140.2 26.9 0419 1800 45.9 738.0 812.0 110.0 + 161.1 13.2 0419 1900 45.9 738.0 811.0 109.9 + 175.5 12.6 0419 2000 45.7 738.0 802.0 108.7 + 163.0 12.6 0419 2100 45.7 738.0 799.0 108.3 + 175.5 12.6 0419 2200 45.5 739.0 797.0 107.8 + 176.1 12.6 0419 2300 45.3 740.0 796.0 107.6 + 171.2 12.6 0420 0000 45.3 740.0 796.0 107.6 + 168.1 12.6 0420 0100 45.3 740.0 795.0 107.4 + 169.0 12.0 0420 0200 45.3 740.0 795.0 107.4 + 166.4 12.0 0420 0300 45.3 741.0 795.0 107.3 + 167.4 12.0 0420 0400 45.3 741.0 795.0 107.3 + 166.1 12.0 0420 0500 45.5 741.0 796.0 107.4 + 162.6 12.0 0420 0600 45.5 741.0 796.0 107.4 + 173.3 12.0 0420 0700 45.5 741.0 796.0 107.4 + 173.3 12.0 0420 0800 45.5 741.0 796.0 107.4 + 162.5 12.0 0420 0900 45.5 740.0 796.0 107.6 + 132.2 12.0 0420 1000 45.5 739.0 797.0 107.8 + 130.5 12.0 0420 1100 45.5 739.0 797.0 107.8 + 126.9 12.0 TOTAL DISSOLVED GAS REPORT FOR ROCKY REACH starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0419 1100 46.2 742.0 789.0 106.3 + 88.0 0.0 0419 1200 46.2 741.0 789.0 106.5 + 82.4 0.0 0419 1300 46.0 740.0 789.0 106.6 + 94.0 0.0 0419 1400 46.0 739.0 790.0 106.9 + 84.6 0.0 0419 1500 46.0 739.0 790.0 106.9 + 91.9 0.0 0419 1600 46.0 738.0 790.0 107.0 + 79.3 0.0 0419 1700 46.0 737.0 791.0 107.3 + 80.1 0.0 0419 1800 46.0 737.0 791.0 107.3 + 95.7 0.0 0419 1900 46.2 737.0 792.0 107.5 + 140.8 0.0 0419 2000 46.4 737.0 793.0 107.6 + 142.5 0.0 0419 2100 46.4 737.0 794.0 107.7 + 148.6 0.0 0419 2200 46.4 738.0 794.0 107.6 + 156.4 0.0 0419 2300 46.4 738.0 795.0 107.7 + 167.6 0.0 0420 0000 46.4 738.0 795.0 107.7 + 157.0 0.0 0420 0100 46.4 738.0 795.0 107.7 + 160.0 0.0 0420 0200 46.4 738.0 795.0 107.7 + 141.7 0.0 0420 0300 46.4 738.0 795.0 107.7 + 145.2 0.0 0420 0400 46.4 738.0 796.0 107.9 + 153.9 0.0 0420 0500 46.4 738.0 796.0 107.9 + 153.6 0.0 0420 0600 46.4 738.0 797.0 108.0 + 163.1 0.0 0420 0700 46.4 738.0 796.0 107.9 + 166.4 0.0 0420 0800 46.4 738.0 796.0 107.9 + 164.2 0.0 0420 0900 46.4 738.0 795.0 107.7 + 155.8 0.0 0420 1000 46.4 738.0 795.0 107.7 + 152.0 0.0 0420 1100 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR ROCKY REACH TAILWATER starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0419 1100 46.0 742.0 780.0 105.1 + 88.0 0.0 0419 1200 46.0 741.0 779.0 105.1 + 82.4 0.0 0419 1300 46.0 740.0 780.0 105.4 + 94.0 0.0 0419 1400 46.0 739.0 780.0 105.5 + 84.6 0.0 0419 1500 46.0 739.0 781.0 105.7 + 91.9 0.0 0419 1600 46.0 738.0 781.0 105.8 + 79.3 0.0 0419 1700 46.0 737.0 782.0 106.1 + 80.1 0.0 0419 1800 46.0 737.0 782.0 106.1 + 95.7 0.0 0419 1900 46.0 737.0 785.0 106.5 + 140.8 0.0 0419 2000 46.2 737.0 786.0 106.6 + 142.5 0.0 0419 2100 46.2 737.0 787.0 106.8 + 148.6 0.0 0419 2200 46.2 738.0 788.0 106.8 + 156.4 0.0 0419 2300 46.4 738.0 789.0 106.9 + 167.6 0.0 0420 0000 46.4 738.0 789.0 106.9 + 157.0 0.0 0420 0100 46.4 738.0 789.0 106.9 + 160.0 0.0 0420 0200 46.4 738.0 789.0 106.9 + 141.7 0.0 0420 0300 46.4 738.0 790.0 107.0 + 145.2 0.0 0420 0400 46.4 738.0 790.0 107.0 + 153.9 0.0 0420 0500 46.4 738.0 790.0 107.0 + 153.6 0.0 0420 0600 46.4 738.0 791.0 107.2 + 163.1 0.0 0420 0700 46.4 738.0 791.0 107.2 + 166.4 0.0 0420 0800 46.4 738.0 790.0 107.0 + 164.2 0.0 0420 0900 46.2 738.0 790.0 107.0 + 155.8 0.0 0420 1000 46.2 738.0 789.0 106.9 + 152.0 0.0 0420 1100 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0419 1100 46.6 747.0 788.0 105.5 + 139.8 9.1 0419 1200 46.6 746.0 790.0 105.9 + 110.1 9.1 0419 1300 46.8 745.0 791.0 106.2 + 104.9 11.3 0419 1400 46.9 745.0 792.0 106.3 + 97.3 11.3 0419 1500 46.9 744.0 793.0 106.6 + 86.4 11.4 0419 1600 46.9 743.0 794.0 106.9 + 83.2 11.7 0419 1700 46.9 743.0 795.0 107.0 + 93.2 11.5 0419 1800 46.9 742.0 796.0 107.3 + 96.5 11.4 0419 1900 46.9 742.0 796.0 107.3 + 103.1 11.3 0419 2000 46.9 742.0 796.0 107.3 + 125.1 12.0 0419 2100 46.9 742.0 795.0 107.1 + 142.5 13.6 0419 2200 46.9 743.0 795.0 107.0 + 158.2 13.6 0419 2300 46.9 743.0 796.0 107.1 + 162.3 13.7 0420 0000 46.9 743.0 796.0 107.1 + 161.5 14.3 0420 0100 46.8 743.0 794.0 106.9 + 165.1 16.6 0420 0200 46.8 743.0 793.0 106.7 + 165.1 16.6 0420 0300 46.6 743.0 791.0 106.5 + 165.3 16.2 0420 0400 46.6 743.0 791.0 106.5 + 164.3 15.6 0420 0500 46.6 744.0 790.0 106.2 + 161.8 12.2 0420 0600 46.6 743.0 790.0 106.3 + 161.8 12.3 0420 0700 46.6 744.0 791.0 106.3 + 161.4 12.2 0420 0800 46.6 744.0 791.0 106.3 + 162.3 14.2 0420 0900 46.6 744.0 792.0 106.5 + 168.2 17.1 0420 1000 46.6 744.0 793.0 106.6 + 168.0 17.0 0420 1100 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND TAILWATER starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0419 1100 46.4 747.0 793.0 106.2 + 139.8 9.1 0419 1200 46.6 746.0 794.0 106.4 + 110.1 9.1 0419 1300 46.6 745.0 795.0 106.7 + 104.9 11.3 0419 1400 46.6 745.0 797.0 107.0 + 97.3 11.3 0419 1500 46.8 744.0 800.0 107.5 + 86.4 11.4 0419 1600 46.8 743.0 801.0 107.8 + 83.2 11.7 0419 1700 46.8 743.0 802.0 107.9 + 93.2 11.5 0419 1800 46.8 742.0 802.0 108.1 + 96.5 11.4 0419 1900 46.8 742.0 803.0 108.2 + 103.1 11.3 0419 2000 46.8 742.0 803.0 108.2 + 125.1 12.0 0419 2100 46.8 742.0 802.0 108.1 + 142.5 13.6 0419 2200 46.8 743.0 803.0 108.1 + 158.2 13.6 0419 2300 46.9 743.0 804.0 108.2 + 162.3 13.7 0420 0000 46.9 743.0 804.0 108.2 + 161.5 14.3 0420 0100 46.9 743.0 804.0 108.2 + 165.1 16.6 0420 0200 46.8 743.0 806.0 108.5 + 165.1 16.6 0420 0300 46.6 743.0 807.0 108.6 + 165.3 16.2 0420 0400 46.6 743.0 806.0 108.5 + 164.3 15.6 0420 0500 46.6 744.0 805.0 108.2 + 161.8 12.2 0420 0600 46.4 743.0 801.0 107.8 + 161.8 12.3 0420 0700 46.4 744.0 799.0 107.4 + 161.4 12.2 0420 0800 46.6 744.0 798.0 107.3 + 162.3 14.2 0420 0900 46.6 744.0 800.0 107.5 + 168.2 17.1 0420 1000 46.6 744.0 805.0 108.2 + 168.0 17.0 0420 1100 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR WANAPUM starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0419 1100 + + + + + 120.3 19.7 0419 1200 + + + + + 107.6 19.9 0419 1300 + + + + + 108.2 19.8 0419 1400 + + + + + 116.1 19.8 0419 1500 + + + + + 118.1 19.8 0419 1600 + + + + + 122.7 19.7 0419 1700 + + + + + 147.6 19.3 0419 1800 + + + + + 157.5 19.2 0419 1900 + + + + + 159.2 19.0 0419 2000 + + + + + 149.5 18.8 0419 2100 + + + + + 152.5 18.7 0419 2200 + + + + + 159.6 18.7 0419 2300 + + + + + 157.4 18.7 0420 0000 + + + + + 149.6 18.8 0420 0100 + + + + + 145.8 18.8 0420 0200 + + + + + 138.5 19.0 0420 0300 + + + + + 136.4 19.1 0420 0400 + + + + + 155.2 19.1 0420 0500 + + + + + 149.3 19.2 0420 0600 + + + + + 160.8 19.2 0420 0700 + + + + + 156.2 19.2 0420 0800 + + + + + 157.7 19.3 0420 0900 + + + + + 158.4 19.3 0420 1000 + + + + + 156.5 19.3 0420 1100 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF WANAPUM starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0419 1100 + + + + + 120.3 19.7 0419 1200 + + + + + 107.6 19.9 0419 1300 + + + + + 108.2 19.8 0419 1400 + + + + + 116.1 19.8 0419 1500 + + + + + 118.1 19.8 0419 1600 + + + + + 122.7 19.7 0419 1700 + + + + + 147.6 19.3 0419 1800 + + + + + 157.5 19.2 0419 1900 + + + + + 159.2 19.0 0419 2000 + + + + + 149.5 18.8 0419 2100 + + + + + 152.5 18.7 0419 2200 + + + + + 159.6 18.7 0419 2300 + + + + + 157.4 18.7 0420 0000 + + + + + 149.6 18.8 0420 0100 + + + + + 145.8 18.8 0420 0200 + + + + + 138.5 19.0 0420 0300 + + + + + 136.4 19.1 0420 0400 + + + + + 155.2 19.1 0420 0500 + + + + + 149.3 19.2 0420 0600 + + + + + 160.8 19.2 0420 0700 + + + + + 156.2 19.2 0420 0800 + + + + + 157.7 19.3 0420 0900 + + + + + 158.4 19.3 0420 1000 + + + + + 156.5 19.3 0420 1100 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR PRIEST RAPIDS starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0419 1100 + + + + + 123.0 23.0 0419 1200 + + + + + 116.0 23.1 0419 1300 + + + + + 113.6 23.0 0419 1400 + + + + + 116.5 22.6 0419 1500 + + + + + 117.6 22.5 0419 1600 + + + + + 124.7 22.3 0419 1700 + + + + + 151.3 21.7 0419 1800 + + + + + 152.5 21.1 0419 1900 + + + + + 153.4 21.1 0419 2000 + + + + + 152.4 21.2 0419 2100 + + + + + 156.4 21.1 0419 2200 + + + + + 153.6 20.7 0419 2300 + + + + + 161.9 20.7 0420 0000 + + + + + 168.9 20.2 0420 0100 + + + + + 160.3 19.8 0420 0200 + + + + + 158.3 19.4 0420 0300 + + + + + 143.4 19.1 0420 0400 + + + + + 146.8 18.9 0420 0500 + + + + + 151.9 18.7 0420 0600 + + + + + 148.9 18.7 0420 0700 + + + + + 155.2 18.8 0420 0800 + + + + + 153.6 18.9 0420 0900 + + + + + 156.1 15.1 0420 1000 + + + + + 156.2 19.1 0420 1100 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR BELOW PRIEST RAPIDS starting at 1100 19 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0419 1100 + + + + + 123.0 23.0 0419 1200 + + + + + 116.0 23.1 0419 1300 + + + + + 113.6 23.0 0419 1400 + + + + + 116.5 22.6 0419 1500 + + + + + 117.6 22.5 0419 1600 + + + + + 124.7 22.3 0419 1700 + + + + + 151.3 21.7 0419 1800 + + + + + 152.5 21.1 0419 1900 + + + + + 153.4 21.1 0419 2000 + + + + + 152.4 21.2 0419 2100 + + + + + 156.4 21.1 0419 2200 + + + + + 153.6 20.7 0419 2300 + + + + + 161.9 20.7 0420 0000 + + + + + 168.9 20.2 0420 0100 + + + + + 160.3 19.8 0420 0200 + + + + + 158.3 19.4 0420 0300 + + + + + 143.4 19.1 0420 0400 + + + + + 146.8 18.9 0420 0500 + + + + + 151.9 18.7 0420 0600 + + + + + 148.9 18.7 0420 0700 + + + + + 155.2 18.8 0420 0800 + + + + + 153.6 18.9 0420 0900 + + + + + 156.1 15.1 0420 1000 + + + + + 156.2 19.1 0420 1100 + + + + + + +