TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF HUNGRY HORSE starting at 1500 2 May 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0502 1500 + 681.0 + + 8.2 0.0 0502 1600 + 680.0 + + 8.2 0.0 0502 1700 + 680.0 + + 8.3 0.0 0502 1800 + 680.0 + + 8.2 0.0 0502 1900 + 680.0 + + 8.3 0.0 0502 2000 + 680.0 + + 8.1 0.0 0502 2100 + 681.0 + + 8.2 0.0 0502 2200 + 681.0 + + 8.0 0.0 0502 2300 + 681.0 + + 8.2 0.0 0503 0000 + 681.0 + + 8.2 0.0 0503 0100 + 681.0 + + 8.2 0.0 0503 0200 + 682.0 + + 8.4 0.0 0503 0300 + 682.0 + + 8.3 0.0 0503 0400 + 682.0 + + 8.1 0.0 0503 0500 + 682.0 + + 8.0 0.0 0503 0600 + 682.0 + + 8.0 0.0 0503 0700 + 682.0 + + 8.2 0.0 0503 0800 + 682.0 + + 8.0 0.0 0503 0900 + 681.0 + + 8.2 0.0 0503 1000 + 681.0 + + 8.1 0.0 0503 1100 + 680.0 + + 8.1 0.0 0503 1200 + 679.0 + + 8.2 0.0 0503 1300 + 679.0 + + 8.2 0.0 0503 1400 + 678.0 + + 8.1 0.0 0503 1500 + 678.0 + + 8.3 0.0 TOTAL DISSOLVED GAS REPORT FOR KOOTENAI R. BL LIBBY DAM starting at 1500 2 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0502 1500 44.4 703.4 734.0 104.3 9.2 12.0 0.0 0502 1600 44.7 703.0 735.0 104.5 9.1 12.0 0.0 0502 1700 45.1 702.9 736.0 104.7 9.2 12.0 0.0 0502 1800 45.1 702.7 736.0 104.7 9.2 12.0 0.0 0502 1900 45.2 702.8 736.0 104.7 9.2 12.0 0.0 0502 2000 44.9 703.0 735.0 104.6 9.1 12.0 0.0 0502 2100 44.4 703.6 731.0 103.9 9.2 12.0 0.0 0502 2200 44.0 704.0 729.0 103.6 9.2 12.0 0.0 0502 2300 43.7 704.3 726.0 103.1 9.2 12.0 0.0 0503 0000 43.9 704.7 726.0 103.0 9.2 12.0 0.0 0503 0100 44.0 704.9 726.0 103.0 9.2 12.0 0.0 0503 0200 44.0 705.0 727.0 103.1 9.2 12.0 0.0 0503 0300 44.0 705.1 727.0 103.1 9.2 12.0 0.0 0503 0400 44.2 705.4 727.0 103.1 9.3 12.0 0.0 0503 0500 44.3 705.3 727.0 103.1 9.2 12.0 0.0 0503 0600 44.2 705.6 727.0 103.0 9.3 12.0 0.0 0503 0700 44.2 705.7 728.0 103.2 9.2 12.0 0.0 0503 0800 44.5 705.3 729.0 103.4 9.2 12.0 0.0 0503 0900 44.5 704.6 730.0 103.6 9.2 12.0 0.0 0503 1000 44.6 703.8 731.0 103.9 9.2 12.0 0.0 0503 1100 44.7 703.2 733.0 104.2 9.2 12.0 0.0 0503 1200 44.9 702.5 734.0 104.5 9.1 12.0 0.0 0503 1300 45.2 701.6 736.0 104.9 9.1 12.0 0.0 0503 1400 45.6 700.9 738.0 105.3 9.0 12.0 0.0 0503 1500 45.6 700.1 740.0 105.7 9.0 12.0 0.0 TOTAL DISSOLVED GAS REPORT FOR BOUNDARY starting at 1500 2 May 2026 WA TM BARO TD GAS TDG TOT FLOW DATE TIME DEG F PRES PRES % KCFS 0502 1500 48.7 724.6 783.0 108.1 116.0 0502 1600 48.8 724.1 784.0 108.3 117.0 0502 1700 48.8 723.6 784.0 108.3 120.0 0502 1800 49.0 723.4 784.0 108.4 125.0 0502 1900 49.0 723.2 783.0 108.3 126.0 0502 2000 48.9 723.4 782.0 108.1 126.0 0502 2100 48.8 724.0 781.0 107.9 126.0 0502 2200 48.8 724.5 779.0 107.5 125.0 0502 2300 48.6 725.1 778.0 107.3 119.0 0503 0000 48.3 725.5 776.0 107.0 115.0 0503 0100 48.2 725.9 776.0 106.9 114.0 0503 0200 48.2 726.1 775.0 106.7 112.0 0503 0300 48.0 726.2 774.0 106.6 109.0 0503 0400 47.9 726.2 775.0 106.7 109.0 0503 0500 47.9 726.4 775.0 106.7 109.0 0503 0600 47.9 726.3 776.0 106.8 111.0 0503 0700 48.0 726.6 776.0 106.8 116.0 0503 0800 48.3 726.4 777.0 107.0 120.0 0503 0900 48.4 725.8 778.0 107.2 121.0 0503 1000 48.5 725.3 779.0 107.4 122.0 0503 1100 48.7 724.4 782.0 107.9 121.0 0503 1200 48.7 723.6 784.0 108.3 123.0 0503 1300 48.9 722.7 786.0 108.8 122.0 0503 1400 49.0 721.9 788.0 109.2 122.0 0503 1500 + + + + + TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE FOREBAY starting at 1500 2 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0502 1500 48.6 726.0 780.0 107.4 + 72.0 0.0 0502 1600 48.7 725.0 780.0 107.6 + 84.8 0.0 0502 1700 48.4 725.0 779.0 107.4 + 114.5 0.0 0502 1800 48.4 724.0 779.0 107.6 + 135.0 0.0 0502 1900 48.4 724.0 778.0 107.5 + 167.4 0.0 0502 2000 47.7 725.0 775.0 106.9 + 178.7 0.0 0502 2100 48.2 725.0 776.0 107.0 + 170.0 0.0 0502 2200 47.8 725.0 776.0 107.0 + 177.5 0.0 0502 2300 47.8 726.0 775.0 106.7 + 179.9 0.0 0503 0000 47.8 726.0 775.0 106.7 + 160.1 0.0 0503 0100 47.7 726.0 774.0 106.6 + 143.9 0.0 0503 0200 48.0 726.0 776.0 106.9 + 134.1 0.0 0503 0300 48.2 726.0 776.0 106.9 + 123.3 0.0 0503 0400 48.0 726.0 776.0 106.9 + 120.9 0.0 0503 0500 48.0 726.0 776.0 106.9 + 118.1 0.0 0503 0600 48.0 726.0 776.0 106.9 + 111.3 0.0 0503 0700 47.8 727.0 775.0 106.6 + 119.2 0.0 0503 0800 47.8 727.0 774.0 106.5 + 112.6 0.0 0503 0900 48.4 726.0 777.0 107.0 + 93.6 0.0 0503 1000 48.4 726.0 778.0 107.2 + 95.5 0.0 0503 1100 48.6 725.0 778.0 107.3 + 98.6 0.0 0503 1200 48.4 725.0 779.0 107.4 + 108.5 0.0 0503 1300 48.4 724.0 778.0 107.5 + 103.1 0.0 0503 1400 48.4 724.0 778.0 107.5 + 103.0 0.0 0503 1500 48.4 723.0 777.0 107.5 + 103.1 0.0 TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE TAILWATER starting at 1500 2 May 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0502 1500 + 734.0 795.0 108.3 72.0 0.0 0502 1600 + 733.0 797.0 108.7 84.8 0.0 0502 1700 + 733.0 796.0 108.6 114.5 0.0 0502 1800 + 733.0 795.0 108.5 135.0 0.0 0502 1900 + 733.0 791.0 107.9 167.4 0.0 0502 2000 + 733.0 786.0 107.2 178.7 0.0 0502 2100 + 734.0 785.0 106.9 170.0 0.0 0502 2200 + 734.0 784.0 106.8 177.5 0.0 0502 2300 + 734.0 784.0 106.8 179.9 0.0 0503 0000 + 735.0 784.0 106.7 160.1 0.0 0503 0100 + 735.0 784.0 106.7 143.9 0.0 0503 0200 + 735.0 783.0 106.5 134.1 0.0 0503 0300 + 735.0 783.0 106.5 123.3 0.0 0503 0400 + 735.0 784.0 106.7 120.9 0.0 0503 0500 + 735.0 785.0 106.8 118.1 0.0 0503 0600 + 735.0 785.0 106.8 111.3 0.0 0503 0700 + 735.0 786.0 106.9 119.2 0.0 0503 0800 + 735.0 787.0 107.1 112.6 0.0 0503 0900 + 735.0 787.0 107.1 93.6 0.0 0503 1000 + 734.0 787.0 107.2 95.5 0.0 0503 1100 + 734.0 788.0 107.4 98.6 0.0 0503 1200 + 733.0 790.0 107.8 108.5 0.0 0503 1300 + 732.0 791.0 108.1 103.1 0.0 0503 1400 + 732.0 791.0 108.1 103.0 0.0 0503 1500 + 731.0 791.0 108.2 103.1 0.0 TOTAL DISSOLVED GAS REPORT FOR CHIEF JOSEPH starting at 1500 2 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0502 1500 48.1 734.3 795.0 108.3 + 107.4 0.0 0502 1600 48.2 733.7 795.0 108.4 + 92.3 0.0 0502 1700 48.3 733.4 795.0 108.4 + 92.1 0.0 0502 1800 + + + + + 118.7 0.0 0502 1900 + + + + + 136.0 0.0 0502 2000 + + + + + 154.5 0.0 0502 2100 + + + + + 149.3 0.0 0502 2200 + + + + + 160.6 0.0 0502 2300 + + + + + 162.1 0.0 0503 0000 + + + + + 151.7 0.0 0503 0100 + + + + + 123.6 0.0 0503 0200 + + + + + 120.4 0.0 0503 0300 + + + + + 117.0 0.0 0503 0400 + + + + + 119.4 0.0 0503 0500 + + + + + 124.0 0.0 0503 0600 + + + + + 138.0 0.0 0503 0700 + + + + + 137.6 0.0 0503 0800 + + + + + 130.7 0.0 0503 0900 + + + + + 119.2 0.0 0503 1000 + + + + + 113.7 0.0 0503 1100 + + + + + 113.5 0.0 0503 1200 + + + + + 118.4 0.0 0503 1300 + + + + + 114.1 0.0 0503 1400 + + + + + 113.6 0.0 0503 1500 + + + + + 112.5 0.0 TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF CHIEF JOSEPH starting at 1500 2 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0502 1500 48.3 738.6 794.0 107.5 14.9 107.4 0.0 0502 1600 48.4 738.1 794.0 107.6 14.3 92.3 0.0 0502 1700 48.3 737.7 798.0 108.2 14.5 92.1 0.0 0502 1800 48.2 737.5 793.0 107.5 14.6 118.7 0.0 0502 1900 48.1 737.4 790.0 107.1 14.8 136.0 0.0 0502 2000 48.0 737.5 791.0 107.3 15.0 154.5 0.0 0502 2100 48.0 738.2 791.0 107.2 14.5 149.3 0.0 0502 2200 48.0 738.6 791.0 107.1 14.9 160.6 0.0 0502 2300 48.0 738.7 791.0 107.1 15.0 162.1 0.0 0503 0000 48.0 739.3 790.0 106.9 14.4 151.7 0.0 0503 0100 48.0 739.5 793.0 107.2 13.8 123.6 0.0 0503 0200 48.1 739.6 790.0 106.8 13.4 120.4 0.0 0503 0300 48.1 739.7 785.0 106.1 13.2 117.0 0.0 0503 0400 48.1 739.9 784.0 106.0 13.0 119.4 0.0 0503 0500 48.1 739.9 784.0 106.0 13.0 124.0 0.0 0503 0600 48.1 739.9 787.0 106.4 13.2 138.0 0.0 0503 0700 48.1 740.2 788.0 106.5 13.2 137.6 0.0 0503 0800 48.1 740.1 788.0 106.5 12.8 130.7 0.0 0503 0900 48.2 739.8 791.0 106.9 13.2 119.2 0.0 0503 1000 48.3 739.3 793.0 107.3 13.5 113.7 0.0 0503 1100 48.4 738.9 796.0 107.7 13.9 113.5 0.0 0503 1200 48.4 738.2 792.0 107.3 14.2 118.4 0.0 0503 1300 48.5 737.5 793.0 107.5 14.0 114.1 0.0 0503 1400 48.5 736.6 796.0 108.1 14.0 113.6 0.0 0503 1500 + + + + 13.9 112.5 0.0 TOTAL DISSOLVED GAS REPORT FOR WELLS starting at 1500 2 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0502 1500 49.1 738.0 803.0 108.8 + 139.5 24.1 0502 1600 49.1 738.0 802.0 108.7 + 137.4 16.8 0502 1700 49.1 738.0 801.0 108.5 + 149.9 12.6 0502 1800 48.9 738.0 799.0 108.3 + 169.4 12.6 0502 1900 48.9 739.0 797.0 107.8 + 175.3 12.6 0502 2000 48.7 739.0 795.0 107.6 + 174.8 12.6 0502 2100 48.7 739.0 793.0 107.3 + 176.3 12.6 0502 2200 48.9 740.0 793.0 107.2 + 178.9 12.6 0502 2300 48.9 741.0 793.0 107.0 + 189.5 12.6 0503 0000 48.9 741.0 794.0 107.2 + 197.9 12.6 0503 0100 49.1 742.0 794.0 107.0 + 196.2 9.0 0503 0200 49.1 742.0 795.0 107.1 + 168.6 8.7 0503 0300 49.3 742.0 795.0 107.1 + 165.4 8.7 0503 0400 49.3 743.0 796.0 107.1 + 164.1 8.7 0503 0500 49.3 743.0 796.0 107.1 + 161.1 8.7 0503 0600 49.5 743.0 796.0 107.1 + 137.1 8.7 0503 0700 49.5 743.0 796.0 107.1 + 143.6 8.7 0503 0800 49.5 743.0 796.0 107.1 + 110.7 8.7 0503 0900 49.6 742.0 796.0 107.3 + 88.8 8.7 0503 1000 49.6 741.0 796.0 107.4 + 83.2 8.7 0503 1100 49.6 740.0 797.0 107.7 + 88.5 8.7 0503 1200 49.6 739.0 797.0 107.8 + 108.0 8.7 0503 1300 50.0 737.0 800.0 108.5 + 120.8 8.7 0503 1400 50.0 736.0 800.0 108.7 + 119.9 8.7 0503 1500 50.0 735.0 799.0 108.7 + 124.2 8.7 TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF WELLS starting at 1500 2 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0502 1500 48.9 738.0 848.0 114.9 + 139.5 24.1 0502 1600 49.1 738.0 848.0 114.9 + 137.4 16.8 0502 1700 48.9 738.0 845.0 114.5 + 149.9 12.6 0502 1800 48.9 738.0 833.0 112.9 + 169.4 12.6 0502 1900 48.7 739.0 824.0 111.5 + 175.3 12.6 0502 2000 48.7 739.0 820.0 111.0 + 174.8 12.6 0502 2100 48.6 739.0 817.0 110.6 + 176.3 12.6 0502 2200 48.6 740.0 815.0 110.1 + 178.9 12.6 0502 2300 48.6 741.0 813.0 109.7 + 189.5 12.6 0503 0000 48.6 741.0 812.0 109.6 + 197.9 12.6 0503 0100 48.7 742.0 812.0 109.4 + 196.2 9.0 0503 0200 48.7 742.0 812.0 109.4 + 168.6 8.7 0503 0300 48.7 742.0 812.0 109.4 + 165.4 8.7 0503 0400 48.9 743.0 812.0 109.3 + 164.1 8.7 0503 0500 48.9 743.0 811.0 109.2 + 161.1 8.7 0503 0600 48.9 743.0 811.0 109.2 + 137.1 8.7 0503 0700 48.9 743.0 811.0 109.2 + 143.6 8.7 0503 0800 49.1 743.0 811.0 109.2 + 110.7 8.7 0503 0900 49.3 742.0 811.0 109.3 + 88.8 8.7 0503 1000 49.3 741.0 812.0 109.6 + 83.2 8.7 0503 1100 49.5 740.0 813.0 109.9 + 88.5 8.7 0503 1200 49.6 739.0 815.0 110.3 + 108.0 8.7 0503 1300 49.6 737.0 817.0 110.9 + 120.8 8.7 0503 1400 49.8 736.0 818.0 111.1 + 119.9 8.7 0503 1500 49.8 735.0 819.0 111.4 + 124.2 8.7 TOTAL DISSOLVED GAS REPORT FOR ROCKY REACH starting at 1500 2 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0502 1500 49.8 740.0 831.0 112.3 + 148.0 0.0 0502 1600 49.8 739.0 831.0 112.4 + 135.0 0.0 0502 1700 49.8 739.0 831.0 112.4 + 131.5 0.0 0502 1800 49.8 738.0 830.0 112.5 + 144.8 0.0 0502 1900 50.0 738.0 829.0 112.3 + 168.8 0.0 0502 2000 50.0 738.0 828.0 112.2 + 171.9 0.0 0502 2100 50.0 739.0 827.0 111.9 + 164.6 0.0 0502 2200 49.8 739.0 826.0 111.8 + 160.1 0.0 0502 2300 49.8 740.0 826.0 111.6 + 170.8 0.0 0503 0000 49.8 740.0 825.0 111.5 + 152.2 0.0 0503 0100 49.6 740.0 824.0 111.4 + 158.3 0.0 0503 0200 49.6 741.0 825.0 111.3 + 160.9 0.0 0503 0300 49.6 741.0 823.0 111.1 + 180.3 0.0 0503 0400 49.6 741.0 824.0 111.2 + 179.0 0.0 0503 0500 49.6 741.0 824.0 111.2 + 181.5 0.0 0503 0600 49.6 741.0 824.0 111.2 + 168.8 0.0 0503 0700 49.6 741.0 825.0 111.3 + 174.3 0.0 0503 0800 49.6 741.0 825.0 111.3 + 168.5 0.0 0503 0900 49.6 741.0 827.0 111.6 + 119.5 0.0 0503 1000 49.8 741.0 830.0 112.0 + 115.3 0.0 0503 1100 49.8 740.0 831.0 112.3 + 99.3 0.0 0503 1200 49.8 739.0 834.0 112.9 + 59.5 0.0 0503 1300 50.0 739.0 837.0 113.3 + 70.9 0.0 0503 1400 50.2 738.0 836.0 113.3 + 90.8 0.0 0503 1500 + + + + + 110.3 0.0 TOTAL DISSOLVED GAS REPORT FOR ROCKY REACH TAILWATER starting at 1500 2 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0502 1500 49.6 740.0 819.0 110.7 + 148.0 0.0 0502 1600 49.6 739.0 818.0 110.7 + 135.0 0.0 0502 1700 49.8 739.0 818.0 110.7 + 131.5 0.0 0502 1800 49.8 738.0 819.0 111.0 + 144.8 0.0 0502 1900 49.8 738.0 821.0 111.2 + 168.8 0.0 0502 2000 49.8 738.0 821.0 111.2 + 171.9 0.0 0502 2100 49.8 739.0 820.0 111.0 + 164.6 0.0 0502 2200 49.8 739.0 818.0 110.7 + 160.1 0.0 0502 2300 49.6 740.0 818.0 110.5 + 170.8 0.0 0503 0000 49.6 740.0 816.0 110.3 + 152.2 0.0 0503 0100 49.5 740.0 816.0 110.3 + 158.3 0.0 0503 0200 49.5 741.0 816.0 110.1 + 160.9 0.0 0503 0300 49.5 741.0 816.0 110.1 + 180.3 0.0 0503 0400 49.5 741.0 817.0 110.3 + 179.0 0.0 0503 0500 49.5 741.0 817.0 110.3 + 181.5 0.0 0503 0600 49.5 741.0 817.0 110.3 + 168.8 0.0 0503 0700 49.5 741.0 818.0 110.4 + 174.3 0.0 0503 0800 49.5 741.0 818.0 110.4 + 168.5 0.0 0503 0900 49.5 741.0 817.0 110.3 + 119.5 0.0 0503 1000 49.6 741.0 816.0 110.1 + 115.3 0.0 0503 1100 49.6 740.0 816.0 110.3 + 99.3 0.0 0503 1200 49.8 739.0 809.0 109.5 + 59.5 0.0 0503 1300 49.8 739.0 808.0 109.3 + 70.9 0.0 0503 1400 49.8 738.0 816.0 110.6 + 90.8 0.0 0503 1500 + + + + + 110.3 0.0 TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND starting at 1500 2 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0502 1500 49.8 745.0 811.0 108.9 + 179.8 103.0 0502 1600 49.8 744.0 814.0 109.4 + 153.6 27.3 0502 1700 50.0 744.0 817.0 109.8 + 155.3 13.9 0502 1800 50.0 744.0 821.0 110.3 + 160.0 13.2 0502 1900 50.2 743.0 823.0 110.8 + 157.7 13.2 0502 2000 50.2 744.0 825.0 110.9 + 151.2 14.3 0502 2100 50.2 744.0 827.0 111.2 + 174.2 25.8 0502 2200 50.2 745.0 828.0 111.1 + 174.5 25.9 0502 2300 50.2 745.0 829.0 111.3 + 173.8 25.9 0503 0000 50.2 745.0 828.0 111.1 + 173.5 26.1 0503 0100 50.2 745.0 827.0 111.0 + 169.1 21.5 0503 0200 50.2 746.0 824.0 110.5 + 168.8 21.4 0503 0300 50.2 746.0 822.0 110.2 + 171.0 23.4 0503 0400 50.0 746.0 820.0 109.9 + 190.6 42.4 0503 0500 50.0 746.0 818.0 109.7 + 190.4 42.4 0503 0600 50.0 746.0 817.0 109.5 + 190.2 42.5 0503 0700 49.8 746.0 816.0 109.4 + 189.4 42.1 0503 0800 49.8 746.0 815.0 109.2 + 188.7 42.0 0503 0900 49.8 746.0 816.0 109.4 + 180.8 36.0 0503 1000 49.8 746.0 817.0 109.5 + 138.3 9.4 0503 1100 49.8 745.0 818.0 109.8 + 125.4 9.4 0503 1200 50.0 744.0 820.0 110.2 + 109.9 9.7 0503 1300 50.2 744.0 821.0 110.3 + 98.3 15.3 0503 1400 50.2 743.0 823.0 110.8 + 92.4 15.0 0503 1500 + + + + + 99.3 15.1 TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND TAILWATER starting at 1500 2 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0502 1500 49.6 745.0 919.0 123.4 + 179.8 103.0 0502 1600 49.6 744.0 883.0 118.7 + 153.6 27.3 0502 1700 49.8 744.0 839.0 112.8 + 155.3 13.9 0502 1800 49.8 744.0 828.0 111.3 + 160.0 13.2 0502 1900 50.0 743.0 829.0 111.6 + 157.7 13.2 0502 2000 50.0 744.0 832.0 111.8 + 151.2 14.3 0502 2100 50.2 744.0 837.0 112.5 + 174.2 25.8 0502 2200 50.2 745.0 848.0 113.8 + 174.5 25.9 0502 2300 50.2 745.0 849.0 114.0 + 173.8 25.9 0503 0000 50.2 745.0 849.0 114.0 + 173.5 26.1 0503 0100 50.2 745.0 847.0 113.7 + 169.1 21.5 0503 0200 50.2 746.0 841.0 112.7 + 168.8 21.4 0503 0300 50.2 746.0 839.0 112.5 + 171.0 23.4 0503 0400 50.2 746.0 844.0 113.1 + 190.6 42.4 0503 0500 50.0 746.0 855.0 114.6 + 190.4 42.4 0503 0600 50.0 746.0 855.0 114.6 + 190.2 42.5 0503 0700 49.8 746.0 854.0 114.5 + 189.4 42.1 0503 0800 49.8 746.0 853.0 114.3 + 188.7 42.0 0503 0900 49.8 746.0 853.0 114.3 + 180.8 36.0 0503 1000 49.8 746.0 844.0 113.1 + 138.3 9.4 0503 1100 49.8 745.0 824.0 110.6 + 125.4 9.4 0503 1200 49.8 744.0 823.0 110.6 + 109.9 9.7 0503 1300 50.0 744.0 826.0 111.0 + 98.3 15.3 0503 1400 50.0 743.0 835.0 112.4 + 92.4 15.0 0503 1500 + + + + + 99.3 15.1 TOTAL DISSOLVED GAS REPORT FOR WANAPUM starting at 1500 2 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0502 1500 50.7 744.0 843.0 113.3 + 156.0 70.5 0502 1600 50.3 743.0 841.0 113.2 + 169.9 70.9 0502 1700 49.7 743.0 837.0 112.7 + 174.8 64.7 0502 1800 50.8 743.0 843.0 113.5 + 180.7 40.4 0502 1900 49.9 743.0 839.0 112.9 + 182.7 31.7 0502 2000 49.6 743.0 837.0 112.7 + 174.7 30.1 0502 2100 49.5 744.0 834.0 112.1 + 174.4 29.9 0502 2200 49.6 744.0 841.0 113.0 + 179.2 30.0 0502 2300 49.4 744.0 839.0 112.8 + 182.3 30.1 0503 0000 49.5 744.0 841.0 113.0 + 179.6 30.0 0503 0100 + + + + + 179.2 30.1 0503 0200 + + + + + 175.9 30.1 0503 0300 + + + + + 179.6 30.0 0503 0400 + + + + + 178.8 30.1 0503 0500 + + + + + 180.7 30.1 0503 0600 + + + + + 182.2 30.2 0503 0700 + + + + + 179.1 30.3 0503 0800 + + + + + 179.2 41.2 0503 0900 + + + + + 182.1 46.6 0503 1000 + + + + + 162.1 40.3 0503 1100 + + + + + 143.3 40.2 0503 1200 + + + + + 114.2 30.6 0503 1300 + + + + + 110.3 30.2 0503 1400 + + + + + 106.1 30.1 0503 1500 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF WANAPUM starting at 1500 2 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0502 1500 49.7 745.0 867.0 116.4 + 156.0 70.5 0502 1600 49.7 744.0 864.0 116.1 + 169.9 70.9 0502 1700 49.6 744.0 860.0 115.6 + 174.8 64.7 0502 1800 49.6 744.0 841.0 113.0 + 180.7 40.4 0502 1900 49.7 744.0 835.0 112.2 + 182.7 31.7 0502 2000 49.8 744.0 834.0 112.1 + 174.7 30.1 0502 2100 49.7 744.0 834.0 112.1 + 174.4 29.9 0502 2200 49.7 745.0 835.0 112.1 + 179.2 30.0 0502 2300 49.7 745.0 837.0 112.3 + 182.3 30.1 0503 0000 49.6 745.0 839.0 112.6 + 179.6 30.0 0503 0100 + + + + + 179.2 30.1 0503 0200 + + + + + 175.9 30.1 0503 0300 + + + + + 179.6 30.0 0503 0400 + + + + + 178.8 30.1 0503 0500 + + + + + 180.7 30.1 0503 0600 + + + + + 182.2 30.2 0503 0700 + + + + + 179.1 30.3 0503 0800 + + + + + 179.2 41.2 0503 0900 + + + + + 182.1 46.6 0503 1000 + + + + + 162.1 40.3 0503 1100 + + + + + 143.3 40.2 0503 1200 + + + + + 114.2 30.6 0503 1300 + + + + + 110.3 30.2 0503 1400 + + + + + 106.1 30.1 0503 1500 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR PRIEST RAPIDS starting at 1500 2 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0502 1500 49.9 746.0 840.0 112.6 + 150.8 47.5 0502 1600 49.9 746.0 840.0 112.6 + 156.7 47.5 0502 1700 49.9 746.0 840.0 112.6 + 172.3 47.7 0502 1800 50.0 745.0 839.0 112.6 + 186.0 47.1 0502 1900 50.1 745.0 839.0 112.6 + 182.6 46.9 0502 2000 50.2 746.0 839.0 112.5 + 181.3 46.8 0502 2100 50.3 746.0 840.0 112.6 + 176.9 46.7 0502 2200 50.3 747.0 840.0 112.4 + 173.6 46.7 0502 2300 50.3 747.0 841.0 112.6 + 171.3 46.9 0503 0000 50.3 747.0 841.0 112.6 + 171.0 47.2 0503 0100 + + + + + 171.3 47.5 0503 0200 + + + + + 171.8 47.8 0503 0300 + + + + + 172.7 47.9 0503 0400 + + + + + 175.2 48.0 0503 0500 + + + + + 172.7 48.1 0503 0600 + + + + + 172.3 48.4 0503 0700 + + + + + 172.7 48.7 0503 0800 + + + + + 172.1 49.3 0503 0900 + + + + + 183.0 60.4 0503 1000 + + + + + 159.9 59.7 0503 1100 + + + + + 158.6 56.7 0503 1200 + + + + + 152.0 33.1 0503 1300 + + + + + 143.1 28.4 0503 1400 + + + + + 141.1 27.1 0503 1500 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR BELOW PRIEST RAPIDS starting at 1500 2 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0502 1500 50.1 747.0 860.0 115.1 + 150.8 47.5 0502 1600 50.3 747.0 862.0 115.4 + 156.7 47.5 0502 1700 50.5 746.0 863.0 115.7 + 172.3 47.7 0502 1800 50.4 746.0 860.0 115.3 + 186.0 47.1 0502 1900 50.5 746.0 862.0 115.5 + 182.6 46.9 0502 2000 50.0 747.0 857.0 114.7 + 181.3 46.8 0502 2100 50.3 747.0 860.0 115.1 + 176.9 46.7 0502 2200 50.3 747.0 858.0 114.9 + 173.6 46.7 0502 2300 50.3 748.0 857.0 114.6 + 171.3 46.9 0503 0000 50.2 748.0 856.0 114.4 + 171.0 47.2 0503 0100 + + + + + 171.3 47.5 0503 0200 + + + + + 171.8 47.8 0503 0300 + + + + + 172.7 47.9 0503 0400 + + + + + 175.2 48.0 0503 0500 + + + + + 172.7 48.1 0503 0600 + + + + + 172.3 48.4 0503 0700 + + + + + 172.7 48.7 0503 0800 + + + + + 172.1 49.3 0503 0900 + + + + + 183.0 60.4 0503 1000 + + + + + 159.9 59.7 0503 1100 + + + + + 158.6 56.7 0503 1200 + + + + + 152.0 33.1 0503 1300 + + + + + 143.1 28.4 0503 1400 + + + + + 141.1 27.1 0503 1500 + + + + + + +