TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF HUNGRY HORSE starting at 1800 20 May 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0520 1800 + 684.0 + + 6.8 0.0 0520 1900 + 684.0 + + 6.9 0.0 0520 2000 + 684.0 + + 6.8 0.0 0520 2100 + 685.0 + + 6.7 0.0 0520 2200 + 685.0 + + 6.6 0.0 0520 2300 + 685.0 + + 6.7 0.0 0521 0000 + 685.0 + + 6.5 0.0 0521 0100 + 685.0 + + 6.7 0.0 0521 0200 + 686.0 + + 6.9 0.0 0521 0300 + 686.0 + + 6.6 0.0 0521 0400 + 686.0 + + 6.7 0.0 0521 0500 + 686.0 + + 6.7 0.0 0521 0600 + 686.0 + + 6.7 0.0 0521 0700 + 686.0 + + 6.8 0.0 0521 0800 + 686.0 + + 6.6 0.0 0521 0900 + 686.0 + + 6.7 0.0 0521 1000 + 685.0 + + 6.7 0.0 0521 1100 + 685.0 + + 6.8 0.0 0521 1200 + 684.0 + + 6.8 0.0 0521 1300 + 684.0 + + 6.8 0.0 0521 1400 + 684.0 + + 6.7 0.0 0521 1500 + 683.0 + + 6.7 0.0 0521 1600 + 683.0 + + 6.7 0.0 0521 1700 + 683.0 + + 6.8 0.0 0521 1800 + 682.0 + + 6.6 0.0 TOTAL DISSOLVED GAS REPORT FOR KOOTENAI R. BL LIBBY DAM starting at 1800 20 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0520 1800 45.8 707.0 724.0 102.4 8.9 10.0 0.0 0520 1900 46.7 707.4 726.0 102.6 8.9 10.0 0.0 0520 2000 46.8 708.0 727.0 102.7 8.9 10.0 0.0 0520 2100 46.3 708.6 726.0 102.5 8.9 10.0 0.0 0520 2200 45.9 709.0 724.0 102.1 9.0 10.0 0.0 0520 2300 46.0 709.2 724.0 102.1 9.0 10.0 0.0 0521 0000 45.6 709.4 722.0 101.8 9.0 10.0 0.0 0521 0100 45.4 709.7 721.0 101.6 9.0 10.0 0.0 0521 0200 45.5 709.8 721.0 101.6 9.0 10.0 0.0 0521 0300 45.6 709.9 722.0 101.7 9.0 10.0 0.0 0521 0400 45.6 710.0 722.0 101.7 9.0 10.0 0.0 0521 0500 46.1 710.1 723.0 101.8 9.0 10.0 0.0 0521 0600 46.1 710.4 723.0 101.8 9.0 10.0 0.0 0521 0700 46.0 710.5 723.0 101.8 9.0 10.0 0.0 0521 0800 45.8 710.4 724.0 101.9 9.0 10.0 0.0 0521 0900 46.0 709.9 726.0 102.3 9.0 10.0 0.0 0521 1000 46.1 709.0 728.0 102.7 9.0 10.0 0.0 0521 1100 46.2 708.2 730.0 103.1 8.9 10.0 0.0 0521 1200 46.0 707.6 729.0 103.0 8.9 10.0 0.0 0521 1300 46.4 707.1 731.0 103.4 8.8 10.0 0.0 0521 1400 46.8 706.5 732.0 103.6 8.8 10.0 0.0 0521 1500 46.6 705.9 731.0 103.6 8.8 10.0 0.0 0521 1600 46.9 705.1 730.0 103.5 8.8 10.0 0.0 0521 1700 46.9 704.7 731.0 103.7 8.8 10.0 0.0 0521 1800 47.2 704.5 731.0 103.8 8.8 10.0 0.0 TOTAL DISSOLVED GAS REPORT FOR BOUNDARY starting at 1800 20 May 2026 WA TM BARO TD GAS TDG TOT FLOW DATE TIME DEG F PRES PRES % KCFS 0520 1800 51.9 725.6 809.0 111.5 150.0 0520 1900 51.9 726.0 809.0 111.4 150.0 0520 2000 51.8 726.5 807.0 111.1 148.0 0520 2100 51.8 727.2 806.0 110.8 149.0 0520 2200 51.7 727.9 804.0 110.5 148.0 0520 2300 51.6 728.3 802.0 110.1 149.0 0521 0000 51.6 728.8 800.0 109.8 148.0 0521 0100 51.5 729.2 798.0 109.4 148.0 0521 0200 51.5 729.6 797.0 109.2 148.0 0521 0300 51.5 729.8 796.0 109.1 148.0 0521 0400 51.5 730.4 796.0 109.0 148.0 0521 0500 51.6 730.8 795.0 108.8 148.0 0521 0600 51.5 731.1 795.0 108.7 149.0 0521 0700 51.5 731.3 795.0 108.7 150.0 0521 0800 51.6 731.0 795.0 108.8 150.0 0521 0900 51.6 730.6 796.0 109.0 151.0 0521 1000 51.8 729.9 798.0 109.3 151.0 0521 1100 52.1 729.0 800.0 109.7 155.0 0521 1200 52.0 728.1 807.0 110.8 153.0 0521 1300 52.2 727.4 803.0 110.4 151.0 0521 1400 52.7 726.9 768.0 105.7 151.0 0521 1500 52.2 726.0 814.0 112.1 150.0 0521 1600 52.3 725.4 810.0 111.7 151.0 0521 1700 + 725.1 + + + 0521 1800 + + + + + TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE FOREBAY starting at 1800 20 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0520 1800 53.1 726.0 792.0 109.1 + 136.9 0.0 0520 1900 53.1 726.0 792.0 109.1 + 166.1 0.0 0520 2000 52.9 727.0 791.0 108.8 + 171.6 0.0 0520 2100 52.7 727.0 791.0 108.8 + 189.2 0.0 0520 2200 52.5 728.0 791.0 108.7 + 158.1 0.0 0520 2300 52.7 728.0 792.0 108.8 + 173.1 0.0 0521 0000 52.7 729.0 792.0 108.6 + 164.6 0.0 0521 0100 52.7 729.0 792.0 108.6 + 137.8 0.0 0521 0200 53.2 729.0 792.0 108.6 + 104.2 0.0 0521 0300 53.1 730.0 792.0 108.5 + 99.6 0.0 0521 0400 53.2 730.0 792.0 108.5 + 95.4 0.0 0521 0500 52.9 731.0 791.0 108.2 + 102.4 0.0 0521 0600 53.1 731.0 791.0 108.2 + 122.4 0.0 0521 0700 53.1 731.0 791.0 108.2 + 116.9 0.0 0521 0800 53.1 731.0 791.0 108.2 + 113.9 0.0 0521 0900 53.1 731.0 791.0 108.2 + 102.7 0.0 0521 1000 53.1 731.0 791.0 108.2 + 98.2 0.0 0521 1100 53.2 730.0 791.0 108.4 + 95.4 0.0 0521 1200 53.2 730.0 791.0 108.4 + 92.8 0.0 0521 1300 53.2 729.0 791.0 108.5 + 95.4 0.0 0521 1400 53.2 729.0 791.0 108.5 + 111.7 0.0 0521 1500 53.2 728.0 791.0 108.7 + 123.9 0.0 0521 1600 53.2 727.0 791.0 108.8 + 124.5 0.0 0521 1700 53.1 727.0 791.0 108.8 + 137.9 0.0 0521 1800 53.1 727.0 791.0 108.8 + 142.0 0.0 TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE TAILWATER starting at 1800 20 May 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0520 1800 + 735.0 803.0 109.3 136.9 0.0 0520 1900 + 735.0 800.0 108.8 166.1 0.0 0520 2000 + 735.0 798.0 108.6 171.6 0.0 0520 2100 + 736.0 796.0 108.2 189.2 0.0 0520 2200 + 737.0 794.0 107.7 158.1 0.0 0520 2300 + 737.0 794.0 107.7 173.1 0.0 0521 0000 + 738.0 795.0 107.7 164.6 0.0 0521 0100 + 738.0 795.0 107.7 137.8 0.0 0521 0200 + 738.0 795.0 107.7 104.2 0.0 0521 0300 + 739.0 795.0 107.6 99.6 0.0 0521 0400 + 739.0 794.0 107.4 95.4 0.0 0521 0500 + 740.0 794.0 107.3 102.4 0.0 0521 0600 + 740.0 796.0 107.6 122.4 0.0 0521 0700 + 740.0 800.0 108.1 116.9 0.0 0521 0800 + 740.0 800.0 108.1 113.9 0.0 0521 0900 + 740.0 801.0 108.2 102.7 0.0 0521 1000 + 739.0 801.0 108.4 98.2 0.0 0521 1100 + 739.0 801.0 108.4 95.4 0.0 0521 1200 + 738.0 803.0 108.8 92.8 0.0 0521 1300 + 737.0 804.0 109.1 95.4 0.0 0521 1400 + 737.0 804.0 109.1 111.7 0.0 0521 1500 + 736.0 803.0 109.1 123.9 0.0 0521 1600 + 736.0 804.0 109.2 124.5 0.0 0521 1700 + 735.0 802.0 109.1 137.9 0.0 0521 1800 + 735.0 801.0 109.0 142.0 0.0 TOTAL DISSOLVED GAS REPORT FOR CHIEF JOSEPH starting at 1800 20 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0520 1800 52.3 735.3 799.0 108.7 + 132.4 0.0 0520 1900 52.3 735.3 799.0 108.7 + 139.5 0.0 0520 2000 52.4 735.6 798.0 108.5 + 137.1 0.0 0520 2100 52.4 736.3 798.0 108.4 + 153.1 0.0 0520 2200 52.3 737.0 798.0 108.3 + 148.9 0.0 0520 2300 52.2 737.4 797.0 108.1 + 148.1 0.0 0521 0000 52.2 737.9 796.0 107.9 + 146.5 0.0 0521 0100 52.1 738.2 795.0 107.7 + 140.1 0.0 0521 0200 52.1 738.4 794.0 107.5 + 133.5 0.0 0521 0300 52.0 738.7 794.0 107.5 + 129.1 0.0 0521 0400 51.9 739.2 793.0 107.3 + 127.3 0.0 0521 0500 51.9 739.4 793.0 107.2 + 133.1 0.0 0521 0600 51.9 740.0 793.0 107.2 + 140.8 0.0 0521 0700 51.9 740.1 793.0 107.1 + 122.0 0.0 0521 0800 51.9 740.2 794.0 107.3 + 122.7 0.0 0521 0900 52.0 740.0 795.0 107.4 + 103.3 0.0 0521 1000 52.1 739.5 796.0 107.6 + 101.8 0.0 0521 1100 52.2 738.8 797.0 107.9 + 100.3 0.0 0521 1200 52.3 738.1 798.0 108.1 + 99.4 0.0 0521 1300 52.5 737.5 802.0 108.8 + 100.9 0.0 0521 1400 52.5 736.8 801.0 108.7 + 113.6 0.0 0521 1500 52.7 736.1 803.0 109.1 + 99.8 0.0 0521 1600 52.8 735.4 804.0 109.3 + 99.8 0.0 0521 1700 52.8 734.8 804.0 109.4 + 106.2 0.0 0521 1800 53.1 734.4 806.0 109.7 + 121.5 0.0 TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF CHIEF JOSEPH starting at 1800 20 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0520 1800 52.3 739.6 797.0 107.8 13.8 132.4 0.0 0520 1900 52.2 739.6 799.0 108.0 13.4 139.5 0.0 0520 2000 52.2 740.0 798.0 107.8 13.5 137.1 0.0 0520 2100 52.1 740.7 797.0 107.6 13.8 153.1 0.0 0520 2200 52.1 741.4 797.0 107.5 13.9 148.9 0.0 0520 2300 52.1 741.8 796.0 107.3 13.8 148.1 0.0 0521 0000 52.1 742.4 796.0 107.2 13.5 146.5 0.0 0521 0100 52.1 742.7 795.0 107.0 13.4 140.1 0.0 0521 0200 52.1 743.0 792.0 106.6 13.2 133.5 0.0 0521 0300 52.1 743.3 791.0 106.4 12.9 129.1 0.0 0521 0400 52.1 743.8 793.0 106.6 12.8 127.3 0.0 0521 0500 52.1 744.0 791.0 106.3 12.7 133.1 0.0 0521 0600 52.1 744.6 794.0 106.6 12.6 140.8 0.0 0521 0700 52.2 744.7 794.0 106.6 11.4 122.0 0.0 0521 0800 52.2 744.8 795.0 106.7 11.5 122.7 0.0 0521 0900 52.3 744.5 798.0 107.2 11.1 103.3 0.0 0521 1000 52.4 743.9 802.0 107.8 11.3 101.8 0.0 0521 1100 52.6 743.2 804.0 108.2 11.4 100.3 0.0 0521 1200 52.6 742.5 804.0 108.3 11.6 99.4 0.0 0521 1300 52.6 741.8 802.0 108.1 11.6 100.9 0.0 0521 1400 52.6 741.2 803.0 108.3 12.2 113.6 0.0 0521 1500 52.6 740.5 802.0 108.3 11.5 99.8 0.0 0521 1600 52.6 739.7 807.0 109.1 11.8 99.8 0.0 0521 1700 52.5 739.1 802.0 108.5 11.4 106.2 0.0 0521 1800 + + + + + 121.5 0.0 TOTAL DISSOLVED GAS REPORT FOR WELLS starting at 1800 20 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0520 1800 52.5 741.0 801.0 108.1 + 158.6 13.0 0520 1900 52.5 741.0 800.0 108.0 + 156.9 13.0 0520 2000 52.5 741.0 799.0 107.8 + 160.0 13.0 0520 2100 52.5 742.0 799.0 107.7 + 154.5 13.0 0520 2200 52.5 743.0 798.0 107.4 + 167.8 13.0 0520 2300 52.5 744.0 798.0 107.3 + 170.7 13.0 0521 0000 52.5 744.0 798.0 107.3 + 167.8 13.0 0521 0100 52.7 745.0 799.0 107.2 + 163.3 12.1 0521 0200 52.7 745.0 799.0 107.2 + 162.9 12.0 0521 0300 52.9 746.0 799.0 107.1 + 164.5 14.3 0521 0400 53.1 746.0 800.0 107.2 + 182.2 27.9 0521 0500 53.1 747.0 801.0 107.2 + 184.0 29.5 0521 0600 53.2 747.0 801.0 107.2 + 188.9 31.6 0521 0700 53.2 747.0 801.0 107.2 + 178.8 31.6 0521 0800 53.2 747.0 801.0 107.2 + 135.8 31.6 0521 0900 53.2 746.0 801.0 107.4 + 106.2 26.6 0521 1000 53.2 745.0 801.0 107.5 + 101.2 26.1 0521 1100 53.4 744.0 801.0 107.7 + 101.2 26.1 0521 1200 53.4 743.0 801.0 107.8 + 86.0 11.2 0521 1300 53.2 742.0 801.0 108.0 + 76.2 6.5 0521 1400 53.4 741.0 802.0 108.2 + 111.7 6.5 0521 1500 54.0 741.0 807.0 108.9 + 113.0 6.5 0521 1600 53.6 740.0 803.0 108.5 + 142.0 11.5 0521 1700 53.6 740.0 803.0 108.5 + 120.0 11.5 0521 1800 53.6 740.0 804.0 108.6 + 120.2 11.5 TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF WELLS starting at 1800 20 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0520 1800 52.3 741.0 821.0 110.8 + 158.6 13.0 0520 1900 52.2 741.0 820.0 110.7 + 156.9 13.0 0520 2000 52.2 741.0 819.0 110.5 + 160.0 13.0 0520 2100 52.2 742.0 817.0 110.1 + 154.5 13.0 0520 2200 52.2 743.0 817.0 110.0 + 167.8 13.0 0520 2300 52.2 744.0 816.0 109.7 + 170.7 13.0 0521 0000 52.2 744.0 816.0 109.7 + 167.8 13.0 0521 0100 52.3 745.0 815.0 109.4 + 163.3 12.1 0521 0200 52.3 745.0 815.0 109.4 + 162.9 12.0 0521 0300 52.3 746.0 816.0 109.4 + 164.5 14.3 0521 0400 52.5 746.0 817.0 109.5 + 182.2 27.9 0521 0500 52.5 747.0 828.0 110.8 + 184.0 29.5 0521 0600 52.7 747.0 833.0 111.5 + 188.9 31.6 0521 0700 52.9 747.0 835.0 111.8 + 178.8 31.6 0521 0800 52.9 747.0 836.0 111.9 + 135.8 31.6 0521 0900 53.1 746.0 838.0 112.3 + 106.2 26.6 0521 1000 53.1 745.0 844.0 113.3 + 101.2 26.1 0521 1100 53.2 744.0 848.0 114.0 + 101.2 26.1 0521 1200 53.4 743.0 849.0 114.3 + 86.0 11.2 0521 1300 53.4 742.0 849.0 114.4 + 76.2 6.5 0521 1400 53.6 741.0 842.0 113.6 + 111.7 6.5 0521 1500 53.4 741.0 830.0 112.0 + 113.0 6.5 0521 1600 53.4 740.0 822.0 111.1 + 142.0 11.5 0521 1700 53.4 740.0 820.0 110.8 + 120.0 11.5 0521 1800 53.4 740.0 820.0 110.8 + 120.2 11.5 TOTAL DISSOLVED GAS REPORT FOR ROCKY REACH starting at 1800 20 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0520 1800 52.5 740.0 808.0 109.2 + 146.6 0.0 0520 1900 52.5 740.0 809.0 109.3 + 162.8 0.0 0520 2000 52.5 740.0 810.0 109.5 + 165.2 0.0 0520 2100 52.5 741.0 810.0 109.3 + 165.2 0.0 0520 2200 52.5 742.0 810.0 109.2 + 168.0 0.0 0520 2300 52.5 742.0 811.0 109.3 + 164.9 0.0 0521 0000 52.5 743.0 812.0 109.3 + 145.0 0.0 0521 0100 52.5 743.0 812.0 109.3 + 135.3 0.0 0521 0200 52.3 744.0 812.0 109.1 + 136.0 0.0 0521 0300 52.3 744.0 813.0 109.3 + 138.6 0.0 0521 0400 52.3 745.0 815.0 109.4 + 161.1 0.0 0521 0500 52.3 745.0 821.0 110.2 + 161.7 0.0 0521 0600 52.3 745.0 824.0 110.6 + 168.6 0.0 0521 0700 52.3 745.0 827.0 111.0 + 174.8 4.1 0521 0800 52.3 746.0 829.0 111.1 + 187.3 14.6 0521 0900 52.3 745.0 829.0 111.3 + 148.6 16.7 0521 1000 52.5 745.0 829.0 111.3 + 135.8 7.6 0521 1100 52.5 745.0 828.0 111.1 + 114.7 0.0 0521 1200 52.7 744.0 827.0 111.2 + 106.7 0.0 0521 1300 52.9 743.0 827.0 111.3 + 112.0 0.0 0521 1400 52.9 742.0 827.0 111.5 + 116.1 0.0 0521 1500 52.9 742.0 826.0 111.3 + 113.4 0.0 0521 1600 53.2 741.0 825.0 111.3 + 106.5 0.0 0521 1700 53.2 740.0 825.0 111.5 + 113.6 0.0 0521 1800 + + + + + 153.6 0.0 TOTAL DISSOLVED GAS REPORT FOR ROCKY REACH TAILWATER starting at 1800 20 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0520 1800 52.3 740.0 800.0 108.1 + 146.6 0.0 0520 1900 52.3 740.0 801.0 108.2 + 162.8 0.0 0520 2000 52.3 740.0 802.0 108.4 + 165.2 0.0 0520 2100 52.3 741.0 802.0 108.2 + 165.2 0.0 0520 2200 52.3 742.0 803.0 108.2 + 168.0 0.0 0520 2300 52.3 742.0 803.0 108.2 + 164.9 0.0 0521 0000 52.3 743.0 802.0 107.9 + 145.0 0.0 0521 0100 52.3 743.0 802.0 107.9 + 135.3 0.0 0521 0200 52.2 744.0 802.0 107.8 + 136.0 0.0 0521 0300 52.2 744.0 802.0 107.8 + 138.6 0.0 0521 0400 52.2 745.0 804.0 107.9 + 161.1 0.0 0521 0500 52.2 745.0 808.0 108.5 + 161.7 0.0 0521 0600 52.2 745.0 812.0 109.0 + 168.6 0.0 0521 0700 52.2 745.0 816.0 109.5 + 174.8 4.1 0521 0800 52.2 746.0 825.0 110.6 + 187.3 14.6 0521 0900 52.2 745.0 835.0 112.1 + 148.6 16.7 0521 1000 52.3 745.0 837.0 112.3 + 135.8 7.6 0521 1100 52.3 745.0 829.0 111.3 + 114.7 0.0 0521 1200 52.3 744.0 820.0 110.2 + 106.7 0.0 0521 1300 52.5 743.0 816.0 109.8 + 112.0 0.0 0521 1400 52.5 742.0 816.0 110.0 + 116.1 0.0 0521 1500 52.7 742.0 815.0 109.8 + 113.4 0.0 0521 1600 52.7 741.0 813.0 109.7 + 106.5 0.0 0521 1700 52.9 740.0 813.0 109.9 + 113.6 0.0 0521 1800 + + + + + 153.6 0.0 TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND starting at 1800 20 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0520 1800 52.7 746.0 808.0 108.3 + 161.0 13.1 0520 1900 52.7 746.0 808.0 108.3 + 160.1 13.0 0520 2000 52.7 746.0 808.0 108.3 + 161.8 13.5 0520 2100 52.7 747.0 809.0 108.3 + 164.2 16.0 0520 2200 52.7 747.0 808.0 108.2 + 164.6 16.4 0520 2300 52.9 748.0 808.0 108.0 + 166.6 18.7 0521 0000 52.9 748.0 808.0 108.0 + 170.6 22.8 0521 0100 52.9 749.0 807.0 107.7 + 164.8 16.7 0521 0200 52.9 749.0 807.0 107.7 + 164.3 16.0 0521 0300 52.7 750.0 806.0 107.5 + 138.4 16.1 0521 0400 52.7 750.0 806.0 107.5 + 154.2 16.1 0521 0500 52.7 751.0 805.0 107.2 + 159.2 13.9 0521 0600 52.7 751.0 805.0 107.2 + 163.7 27.5 0521 0700 52.5 751.0 805.0 107.2 + 171.3 33.8 0521 0800 52.5 751.0 804.0 107.1 + 197.3 52.7 0521 0900 52.5 751.0 805.0 107.2 + 191.9 46.4 0521 1000 52.7 751.0 806.0 107.3 + 167.7 28.7 0521 1100 52.7 750.0 807.0 107.6 + 151.9 15.4 0521 1200 52.7 750.0 809.0 107.9 + 131.0 12.0 0521 1300 52.9 749.0 812.0 108.4 + 121.8 13.6 0521 1400 52.9 748.0 816.0 109.1 + 130.8 20.9 0521 1500 52.9 748.0 820.0 109.6 + 108.5 13.7 0521 1600 53.1 747.0 825.0 110.4 + 115.3 13.9 0521 1700 53.1 746.0 828.0 111.0 + 120.2 13.7 0521 1800 + + + + + 132.1 13.5 TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND TAILWATER starting at 1800 20 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0520 1800 52.5 746.0 824.0 110.5 + 161.0 13.1 0520 1900 52.5 746.0 822.0 110.2 + 160.1 13.0 0520 2000 52.5 746.0 822.0 110.2 + 161.8 13.5 0520 2100 52.7 747.0 824.0 110.3 + 164.2 16.0 0520 2200 52.7 747.0 830.0 111.1 + 164.6 16.4 0520 2300 52.7 748.0 832.0 111.2 + 166.6 18.7 0521 0000 52.7 748.0 834.0 111.5 + 170.6 22.8 0521 0100 52.9 749.0 834.0 111.3 + 164.8 16.7 0521 0200 52.7 749.0 830.0 110.8 + 164.3 16.0 0521 0300 52.7 750.0 829.0 110.5 + 138.4 16.1 0521 0400 52.7 750.0 831.0 110.8 + 154.2 16.1 0521 0500 52.7 751.0 827.0 110.1 + 159.2 13.9 0521 0600 52.7 751.0 824.0 109.7 + 163.7 27.5 0521 0700 52.7 751.0 842.0 112.1 + 171.3 33.8 0521 0800 52.5 751.0 848.0 112.9 + 197.3 52.7 0521 0900 52.5 751.0 858.0 114.2 + 191.9 46.4 0521 1000 52.5 751.0 857.0 114.1 + 167.7 28.7 0521 1100 52.5 750.0 843.0 112.4 + 151.9 15.4 0521 1200 52.5 750.0 822.0 109.6 + 131.0 12.0 0521 1300 52.7 749.0 832.0 111.1 + 121.8 13.6 0521 1400 52.7 748.0 841.0 112.4 + 130.8 20.9 0521 1500 52.7 748.0 851.0 113.8 + 108.5 13.7 0521 1600 52.9 747.0 846.0 113.3 + 115.3 13.9 0521 1700 52.9 746.0 849.0 113.8 + 120.2 13.7 0521 1800 + + + + + 132.1 13.5 TOTAL DISSOLVED GAS REPORT FOR WANAPUM starting at 1800 20 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0520 1800 53.7 746.0 838.0 112.3 + 164.9 19.5 0520 1900 53.5 746.0 839.0 112.5 + 150.8 19.6 0520 2000 53.8 746.0 838.0 112.3 + 152.5 19.7 0520 2100 54.5 746.0 838.0 112.3 + 144.3 19.7 0520 2200 53.7 747.0 829.0 111.0 + 163.5 19.7 0520 2300 53.2 747.0 822.0 110.0 + 169.3 19.7 0521 0000 53.0 747.0 822.0 110.0 + 160.0 19.8 0521 0100 + + + + + 145.7 19.9 0521 0200 + + + + + 149.7 19.9 0521 0300 + + + + + 161.0 19.9 0521 0400 + + + + + 167.5 19.9 0521 0500 + + + + + 160.6 19.8 0521 0600 + + + + + 167.1 19.9 0521 0700 + + + + + 152.4 19.8 0521 0800 + + + + + 152.0 20.0 0521 0900 + + + + + 155.6 20.1 0521 1000 + + + + + 157.1 20.3 0521 1100 + + + + + 171.0 20.3 0521 1200 + + + + + 167.2 20.2 0521 1300 + + + + + 155.7 20.1 0521 1400 + + + + + 151.6 20.0 0521 1500 + + + + + 149.2 19.9 0521 1600 + + + + + 150.7 19.8 0521 1700 + + + + + 154.1 19.6 0521 1800 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF WANAPUM starting at 1800 20 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0520 1800 53.0 746.0 839.0 112.5 + 164.9 19.5 0520 1900 53.0 746.0 839.0 112.5 + 150.8 19.6 0520 2000 53.0 746.0 838.0 112.3 + 152.5 19.7 0520 2100 53.1 747.0 838.0 112.2 + 144.3 19.7 0520 2200 53.0 747.0 836.0 111.9 + 163.5 19.7 0520 2300 53.0 748.0 835.0 111.6 + 169.3 19.7 0521 0000 53.0 748.0 835.0 111.6 + 160.0 19.8 0521 0100 + + + + + 145.7 19.9 0521 0200 + + + + + 149.7 19.9 0521 0300 + + + + + 161.0 19.9 0521 0400 + + + + + 167.5 19.9 0521 0500 + + + + + 160.6 19.8 0521 0600 + + + + + 167.1 19.9 0521 0700 + + + + + 152.4 19.8 0521 0800 + + + + + 152.0 20.0 0521 0900 + + + + + 155.6 20.1 0521 1000 + + + + + 157.1 20.3 0521 1100 + + + + + 171.0 20.3 0521 1200 + + + + + 167.2 20.2 0521 1300 + + + + + 155.7 20.1 0521 1400 + + + + + 151.6 20.0 0521 1500 + + + + + 149.2 19.9 0521 1600 + + + + + 150.7 19.8 0521 1700 + + + + + 154.1 19.6 0521 1800 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR PRIEST RAPIDS starting at 1800 20 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0520 1800 53.2 748.0 820.0 109.6 + 163.4 25.3 0520 1900 53.3 748.0 823.0 110.0 + 151.9 25.4 0520 2000 53.9 749.0 828.0 110.5 + 149.5 25.5 0520 2100 53.6 749.0 830.0 110.8 + 148.3 25.5 0520 2200 53.6 750.0 833.0 111.1 + 151.0 25.3 0520 2300 53.7 750.0 834.0 111.2 + 152.8 25.5 0521 0000 53.7 750.0 835.0 111.3 + 151.6 26.0 0521 0100 + + + + + 155.9 26.2 0521 0200 + + + + + 156.5 25.7 0521 0300 + + + + + 150.4 25.5 0521 0400 + + + + + 152.2 25.7 0521 0500 + + + + + 157.7 25.9 0521 0600 + + + + + 155.0 26.0 0521 0700 + + + + + 149.2 26.4 0521 0800 + + + + + 148.5 26.6 0521 0900 + + + + + 146.7 26.6 0521 1000 + + + + + 146.5 26.8 0521 1100 + + + + + 147.3 27.1 0521 1200 + + + + + 150.4 27.6 0521 1300 + + + + + 157.4 28.0 0521 1400 + + + + + 167.0 27.7 0521 1500 + + + + + 166.9 26.9 0521 1600 + + + + + 167.0 26.3 0521 1700 + + + + + 169.3 25.5 0521 1800 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR BELOW PRIEST RAPIDS starting at 1800 20 May 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0520 1800 53.9 750.0 834.0 111.2 + 163.4 25.3 0520 1900 53.9 750.0 834.0 111.2 + 151.9 25.4 0520 2000 53.8 750.0 834.0 111.2 + 149.5 25.5 0520 2100 53.8 750.0 835.0 111.3 + 148.3 25.5 0520 2200 53.7 750.0 836.0 111.5 + 151.0 25.3 0520 2300 53.5 751.0 837.0 111.5 + 152.8 25.5 0521 0000 53.5 751.0 838.0 111.6 + 151.6 26.0 0521 0100 + + + + + 155.9 26.2 0521 0200 + + + + + 156.5 25.7 0521 0300 + + + + + 150.4 25.5 0521 0400 + + + + + 152.2 25.7 0521 0500 + + + + + 157.7 25.9 0521 0600 + + + + + 155.0 26.0 0521 0700 + + + + + 149.2 26.4 0521 0800 + + + + + 148.5 26.6 0521 0900 + + + + + 146.7 26.6 0521 1000 + + + + + 146.5 26.8 0521 1100 + + + + + 147.3 27.1 0521 1200 + + + + + 150.4 27.6 0521 1300 + + + + + 157.4 28.0 0521 1400 + + + + + 167.0 27.7 0521 1500 + + + + + 166.9 26.9 0521 1600 + + + + + 167.0 26.3 0521 1700 + + + + + 169.3 25.5 0521 1800 + + + + + + +