TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF HUNGRY HORSE starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0917 0400 + 685.0 + + 3.0 0.0 0917 0500 + 685.0 + + 3.1 0.0 0917 0600 + 685.0 + + 3.0 0.0 0917 0700 + 686.0 + + 3.0 0.0 0917 0800 + 686.0 + + 3.0 0.0 0917 0900 + 685.0 + + 3.0 0.0 0917 1000 + 685.0 + + 3.0 0.0 0917 1100 + 684.0 + + 3.1 0.0 0917 1200 + 684.0 + + 3.1 0.0 0917 1300 + 683.0 + + 3.0 0.0 0917 1400 + 682.0 + + 3.1 0.0 0917 1500 + 681.0 + + 3.0 0.0 0917 1600 + 681.0 + + 3.0 0.0 0917 1700 + 681.0 + + 3.0 0.0 0917 1800 + 681.0 + + 3.0 0.0 0917 1900 + 681.0 + + 3.0 0.0 0917 2000 + 682.0 + + 3.0 0.0 0917 2100 + 682.0 + + 3.0 0.0 0917 2200 + 683.0 + + 3.0 0.0 0917 2300 + 683.0 + + 3.0 0.0 0918 0000 + 683.0 + + 3.1 0.0 0918 0100 + 683.0 + + 3.1 0.0 0918 0200 + 683.0 + + 3.0 0.0 0918 0300 + 683.0 + + 3.0 0.0 0918 0400 + 684.0 + + 3.0 0.0 TOTAL DISSOLVED GAS REPORT FOR KOOTENAI R. BL LIBBY DAM starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0917 0400 55.5 708.7 710.0 100.2 276.1 6.5 0.0 0917 0500 55.5 708.6 709.0 100.0 344.5 6.5 0.0 0917 0600 55.4 709.0 709.0 100.0 305.7 6.5 0.0 0917 0700 55.3 709.2 709.0 100.0 322.7 6.5 0.0 0917 0800 55.1 709.0 709.0 100.0 220.2 6.5 0.0 0917 0900 54.9 708.8 711.0 100.3 344.5 6.5 0.0 0917 1000 55.0 708.3 714.0 100.8 344.5 6.5 0.0 0917 1100 55.3 707.6 718.0 101.5 321.4 6.5 0.0 0917 1200 55.5 706.7 722.0 102.2 344.5 6.5 0.0 0917 1300 55.9 705.7 725.0 102.7 297.4 6.5 0.0 0917 1400 56.3 704.9 727.0 103.1 280.2 6.5 0.0 0917 1500 56.5 704.2 727.0 103.2 225.4 6.5 0.0 0917 1600 56.6 703.8 726.0 103.2 141.7 6.5 0.0 0917 1700 56.5 703.7 724.0 102.9 158.4 6.5 0.0 0917 1800 56.5 704.0 720.0 102.3 117.8 6.5 0.0 0917 1900 56.6 704.3 717.0 101.8 48.4 6.5 0.0 0917 2000 56.8 704.9 714.0 101.3 63.5 6.5 0.0 0917 2100 57.0 705.4 712.0 100.9 131.0 6.5 0.0 0917 2200 57.1 705.7 710.0 100.6 341.7 6.5 0.0 0917 2300 57.2 705.9 709.0 100.4 344.5 6.5 0.0 0918 0000 57.2 706.2 709.0 100.4 344.5 6.5 0.0 0918 0100 57.2 706.4 709.0 100.4 344.5 6.5 0.0 0918 0200 57.2 706.4 709.0 100.4 344.5 6.5 0.0 0918 0300 57.2 706.8 709.0 100.3 344.5 6.5 0.0 0918 0400 57.3 707.5 709.0 100.2 344.5 6.5 0.0 TOTAL DISSOLVED GAS REPORT FOR BOUNDARY starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG TOT FLOW DATE TIME DEG F PRES PRES % KCFS 0917 0400 61.2 729.5 764.0 104.7 58.8 0917 0500 61.1 729.5 763.0 104.6 60.8 0917 0600 61.1 729.4 763.0 104.6 63.6 0917 0700 61.4 729.5 762.0 104.5 64.5 0917 0800 61.4 729.7 757.0 103.7 64.3 0917 0900 61.5 729.0 755.0 103.6 64.5 0917 1000 61.6 728.6 756.0 103.8 64.7 0917 1100 61.8 728.2 757.0 104.0 64.8 0917 1200 62.1 727.4 759.0 104.3 66.2 0917 1300 62.4 726.7 761.0 104.7 72.0 0917 1400 62.9 725.9 761.0 104.8 73.6 0917 1500 62.9 725.1 764.0 105.4 74.3 0917 1600 63.0 724.6 767.0 105.8 73.8 0917 1700 63.0 724.6 767.0 105.9 73.6 0917 1800 63.0 724.4 767.0 105.9 73.9 0917 1900 62.9 724.6 767.0 105.9 74.5 0917 2000 62.9 725.2 767.0 105.8 74.7 0917 2100 62.9 726.0 767.0 105.6 74.6 0917 2200 62.8 726.6 766.0 105.4 74.8 0917 2300 62.7 726.9 766.0 105.4 75.0 0918 0000 62.6 727.1 765.0 105.2 74.2 0918 0100 62.5 727.5 764.0 105.0 70.6 0918 0200 62.1 727.7 763.0 104.8 62.7 0918 0300 61.5 728.0 761.0 104.5 60.0 0918 0400 + + + + + TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE FOREBAY starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0917 0400 68.0 729.0 729.0 100.0 + 30.2 0.0 0917 0500 68.0 728.0 729.0 100.1 + 36.2 0.0 0917 0600 68.0 728.0 729.0 100.1 + 39.4 0.0 0917 0700 68.0 729.0 728.0 99.9 + 41.7 0.0 0917 0800 68.0 728.0 728.0 100.0 + 50.3 0.0 0917 0900 68.0 728.0 729.0 100.1 + 39.3 0.0 0917 1000 68.0 728.0 728.0 100.0 + 51.2 0.0 0917 1100 68.0 728.0 728.0 100.0 + 49.7 0.0 0917 1200 67.8 728.0 729.0 100.1 + 49.2 0.0 0917 1300 67.8 727.0 728.0 100.1 + 51.4 0.0 0917 1400 67.8 726.0 729.0 100.4 + 59.7 0.0 0917 1500 67.8 726.0 729.0 100.4 + 65.4 0.0 0917 1600 67.8 726.0 728.0 100.3 + 67.3 0.0 0917 1700 67.8 726.0 728.0 100.3 + 81.1 0.0 0917 1800 67.8 726.0 727.0 100.1 + 80.4 0.0 0917 1900 67.8 725.0 727.0 100.3 + 86.2 0.0 0917 2000 67.8 726.0 727.0 100.1 + 78.0 0.0 0917 2100 67.8 727.0 727.0 100.0 + 66.5 1.0 0917 2200 68.0 727.0 727.0 100.0 + 57.6 0.1 0917 2300 68.0 728.0 727.0 99.9 + 46.8 0.0 0918 0000 67.8 728.0 729.0 100.1 + 45.0 0.0 0918 0100 67.8 728.0 729.0 100.1 + 39.3 0.0 0918 0200 67.8 728.0 729.0 100.1 + 32.0 0.0 0918 0300 67.8 728.0 729.0 100.1 + 31.2 0.0 0918 0400 67.8 728.0 729.0 100.1 + 33.2 0.0 TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE TAILWATER starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0917 0400 + 738.0 752.0 101.9 30.2 0.0 0917 0500 + 737.0 752.0 102.0 36.2 0.0 0917 0600 + 737.0 752.0 102.0 39.4 0.0 0917 0700 + 737.0 753.0 102.2 41.7 0.0 0917 0800 + 737.0 754.0 102.3 50.3 0.0 0917 0900 + 737.0 756.0 102.6 39.3 0.0 0917 1000 + 737.0 759.0 103.0 51.2 0.0 0917 1100 + 737.0 761.0 103.3 49.7 0.0 0917 1200 + 736.0 763.0 103.7 49.2 0.0 0917 1300 + 735.0 764.0 103.9 51.4 0.0 0917 1400 + 735.0 767.0 104.4 59.7 0.0 0917 1500 + 734.0 768.0 104.6 65.4 0.0 0917 1600 + 734.0 767.0 104.5 67.3 0.0 0917 1700 + 734.0 766.0 104.4 81.1 0.0 0917 1800 + 734.0 765.0 104.2 80.4 0.0 0917 1900 + 734.0 762.0 103.8 86.2 0.0 0917 2000 + 734.0 758.0 103.3 78.0 0.0 0917 2100 + 735.0 754.0 102.6 66.5 1.0 0917 2200 + 735.0 752.0 102.3 57.6 0.1 0917 2300 + 736.0 750.0 101.9 46.8 0.0 0918 0000 + 736.0 748.0 101.6 45.0 0.0 0918 0100 + 737.0 747.0 101.4 39.3 0.0 0918 0200 + 737.0 745.0 101.1 32.0 0.0 0918 0300 + 737.0 744.0 100.9 31.2 0.0 0918 0400 + 737.0 743.0 100.8 33.2 0.0 TOTAL DISSOLVED GAS REPORT FOR CHIEF JOSEPH starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0917 0400 + + + + + 42.2 0.0 0917 0500 + + + + + 41.1 0.0 0917 0600 + + + + + 38.7 0.0 0917 0700 + + + + + 46.4 0.0 0917 0800 + + + + + 49.8 0.0 0917 0900 + + + + + 34.8 0.0 0917 1000 + + + + + 39.5 0.0 0917 1100 + + + + + 51.7 0.0 0917 1200 + + + + + 56.3 0.0 0917 1300 + + + + + 51.4 0.0 0917 1400 + + + + + 52.7 0.0 0917 1500 + + + + + 55.6 0.0 0917 1600 + + + + + 58.6 0.0 0917 1700 + + + + + 72.9 0.0 0917 1800 + + + + + 72.4 0.0 0917 1900 + + + + + 76.4 0.0 0917 2000 + + + + + 71.0 0.0 0917 2100 + + + + + 61.4 0.0 0917 2200 + + + + + 54.6 0.0 0917 2300 + + + + + 44.2 0.0 0918 0000 + + + + + 57.2 0.0 0918 0100 + + + + + 42.5 0.0 0918 0200 + + + + + 33.8 0.0 0918 0300 + + + + + 33.9 0.0 0918 0400 + + + + + 33.1 0.0 TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF CHIEF JOSEPH starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0917 0400 65.7 742.6 755.0 101.7 10.7 42.2 0.0 0917 0500 65.6 742.4 758.0 102.1 10.9 41.1 0.0 0917 0600 65.6 742.2 761.0 102.5 11.2 38.7 0.0 0917 0700 65.6 742.3 761.0 102.5 11.2 46.4 0.0 0917 0800 65.6 742.3 759.0 102.3 10.3 49.8 0.0 0917 0900 65.7 742.1 759.0 102.3 10.5 34.8 0.0 0917 1000 65.8 742.0 765.0 103.1 11.0 39.5 0.0 0917 1100 65.9 741.7 766.0 103.3 10.8 51.7 0.0 0917 1200 66.1 741.0 766.0 103.4 10.8 56.3 0.0 0917 1300 66.2 740.1 766.0 103.5 11.1 51.4 0.0 0917 1400 66.2 739.5 766.0 103.6 11.3 52.7 0.0 0917 1500 66.2 738.8 766.0 103.7 11.5 55.6 0.0 0917 1600 66.1 738.5 764.0 103.5 11.5 58.6 0.0 0917 1700 66.0 738.4 761.0 103.1 11.6 72.9 0.0 0917 1800 65.9 738.2 759.0 102.8 10.8 72.4 0.0 0917 1900 65.8 738.3 755.0 102.3 11.0 76.4 0.0 0917 2000 65.7 738.7 753.0 101.9 10.3 71.0 0.0 0917 2100 65.7 739.5 753.0 101.8 10.2 61.4 0.0 0917 2200 65.7 739.9 755.0 102.0 9.7 54.6 0.0 0917 2300 65.6 740.0 755.0 102.0 9.7 44.2 0.0 0918 0000 65.6 740.5 760.0 102.6 10.1 57.2 0.0 0918 0100 65.6 740.8 758.0 102.3 10.0 42.5 0.0 0918 0200 65.5 741.2 758.0 102.3 10.4 33.8 0.0 0918 0300 65.6 741.2 758.0 102.3 9.9 33.9 0.0 0918 0400 + + + + 10.4 33.1 0.0 TOTAL DISSOLVED GAS REPORT FOR WELLS starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0917 0400 65.8 745.0 743.0 99.7 + 29.3 0.0 0917 0500 65.8 745.0 744.0 99.9 + 30.5 0.0 0917 0600 65.8 745.0 743.0 99.7 + 35.1 0.0 0917 0700 65.7 745.0 745.0 100.0 + 57.9 0.0 0917 0800 65.7 745.0 750.0 100.7 + 55.5 0.0 0917 0900 65.7 745.0 750.0 100.7 + 43.4 0.0 0917 1000 65.8 744.0 748.0 100.5 + 39.4 0.0 0917 1100 65.8 743.0 745.0 100.3 + 38.0 0.0 0917 1200 66.0 741.0 746.0 100.7 + 32.6 0.0 0917 1300 66.2 740.0 750.0 101.4 + 35.7 0.0 0917 1400 66.0 739.0 752.0 101.8 + 35.7 0.0 0917 1500 66.0 738.0 752.0 101.9 + 37.9 0.0 0917 1600 66.4 738.0 756.0 102.4 + 57.8 0.0 0917 1700 66.6 738.0 765.0 103.7 + 112.5 0.0 0917 1800 67.3 738.0 771.0 104.5 + 105.0 0.0 0917 1900 66.9 739.0 770.0 104.2 + 101.1 0.0 0917 2000 66.6 740.0 767.0 103.6 + 98.6 0.0 0917 2100 66.4 741.0 764.0 103.1 + 96.2 0.0 0917 2200 66.2 741.0 761.0 102.7 + 71.7 0.0 0917 2300 66.2 742.0 759.0 102.3 + 29.0 0.0 0918 0000 66.2 742.0 758.0 102.2 + 31.1 0.0 0918 0100 66.2 743.0 757.0 101.9 + 33.6 0.0 0918 0200 66.2 743.0 755.0 101.6 + 32.4 0.0 0918 0300 66.2 743.0 754.0 101.5 + 29.3 0.0 0918 0400 66.2 744.0 753.0 101.2 + 34.3 0.0 TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF WELLS starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0917 0400 65.5 745.0 756.0 101.5 + 29.3 0.0 0917 0500 65.5 745.0 755.0 101.3 + 30.5 0.0 0917 0600 65.3 745.0 754.0 101.2 + 35.1 0.0 0917 0700 65.3 745.0 753.0 101.1 + 57.9 0.0 0917 0800 65.3 745.0 753.0 101.1 + 55.5 0.0 0917 0900 65.3 745.0 754.0 101.2 + 43.4 0.0 0917 1000 65.3 744.0 754.0 101.3 + 39.4 0.0 0917 1100 65.5 743.0 754.0 101.5 + 38.0 0.0 0917 1200 65.5 741.0 754.0 101.8 + 32.6 0.0 0917 1300 65.7 740.0 755.0 102.0 + 35.7 0.0 0917 1400 65.8 739.0 757.0 102.4 + 35.7 0.0 0917 1500 66.0 738.0 759.0 102.8 + 37.9 0.0 0917 1600 66.0 738.0 762.0 103.3 + 57.8 0.0 0917 1700 66.0 738.0 764.0 103.5 + 112.5 0.0 0917 1800 66.0 738.0 766.0 103.8 + 105.0 0.0 0917 1900 65.8 739.0 766.0 103.7 + 101.1 0.0 0917 2000 65.8 740.0 765.0 103.4 + 98.6 0.0 0917 2100 65.8 741.0 763.0 103.0 + 96.2 0.0 0917 2200 65.8 741.0 762.0 102.8 + 71.7 0.0 0917 2300 65.8 742.0 761.0 102.6 + 29.0 0.0 0918 0000 65.8 742.0 760.0 102.4 + 31.1 0.0 0918 0100 65.8 743.0 759.0 102.2 + 33.6 0.0 0918 0200 65.8 743.0 758.0 102.0 + 32.4 0.0 0918 0300 65.8 743.0 757.0 101.9 + 29.3 0.0 0918 0400 65.8 744.0 757.0 101.7 + 34.3 0.0 TOTAL DISSOLVED GAS REPORT FOR ROCKY REACH starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0917 0400 66.0 744.0 737.0 99.1 + 20.1 0.0 0917 0500 66.0 743.0 739.0 99.5 + 21.2 0.0 0917 0600 66.0 743.0 740.0 99.6 + 17.5 0.0 0917 0700 65.8 743.0 741.0 99.7 + 46.9 0.0 0917 0800 65.8 743.0 747.0 100.5 + 47.3 0.0 0917 0900 65.8 743.0 749.0 100.8 + 48.4 0.0 0917 1000 65.8 743.0 748.0 100.7 + 36.4 0.0 0917 1100 65.8 743.0 739.0 99.5 + 53.0 0.0 0917 1200 65.8 742.0 742.0 100.0 + 55.9 0.0 0917 1300 65.8 742.0 745.0 100.4 + 55.6 0.0 0917 1400 65.8 741.0 743.0 100.3 + 54.5 0.0 0917 1500 66.0 740.0 739.0 99.9 + 50.2 0.0 0917 1600 66.2 739.0 732.0 99.1 + 42.5 0.0 0917 1700 66.4 739.0 744.0 100.7 + 52.9 0.0 0917 1800 66.0 739.0 751.0 101.6 + 80.7 0.0 0917 1900 65.7 739.0 751.0 101.6 + 102.5 0.0 0917 2000 65.8 740.0 750.0 101.4 + 95.0 0.0 0917 2100 66.2 740.0 751.0 101.5 + 94.3 0.0 0917 2200 65.8 740.0 753.0 101.8 + 91.5 0.0 0917 2300 65.8 741.0 752.0 101.5 + 56.9 0.0 0918 0000 65.8 741.0 745.0 100.5 + 46.8 0.0 0918 0100 65.8 742.0 739.0 99.6 + 19.3 0.0 0918 0200 65.8 742.0 741.0 99.9 + 18.6 0.0 0918 0300 65.8 742.0 743.0 100.1 + 19.2 0.0 0918 0400 + + + + + 18.4 0.0 TOTAL DISSOLVED GAS REPORT FOR ROCKY REACH TAILWATER starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0917 0400 65.8 744.0 730.0 98.1 + 20.1 0.0 0917 0500 65.7 743.0 730.0 98.3 + 21.2 0.0 0917 0600 65.7 743.0 729.0 98.1 + 17.5 0.0 0917 0700 65.7 743.0 731.0 98.4 + 46.9 0.0 0917 0800 65.7 743.0 732.0 98.5 + 47.3 0.0 0917 0900 65.7 743.0 733.0 98.7 + 48.4 0.0 0917 1000 65.7 743.0 733.0 98.7 + 36.4 0.0 0917 1100 65.7 743.0 735.0 98.9 + 53.0 0.0 0917 1200 65.7 742.0 735.0 99.1 + 55.9 0.0 0917 1300 65.8 742.0 736.0 99.2 + 55.6 0.0 0917 1400 65.8 741.0 740.0 99.9 + 54.5 0.0 0917 1500 65.8 740.0 740.0 100.0 + 50.2 0.0 0917 1600 65.8 739.0 739.0 100.0 + 42.5 0.0 0917 1700 65.8 739.0 740.0 100.1 + 52.9 0.0 0917 1800 65.8 739.0 744.0 100.7 + 80.7 0.0 0917 1900 65.7 739.0 746.0 100.9 + 102.5 0.0 0917 2000 65.7 740.0 742.0 100.3 + 95.0 0.0 0917 2100 65.7 740.0 741.0 100.1 + 94.3 0.0 0917 2200 65.7 740.0 740.0 100.0 + 91.5 0.0 0917 2300 65.7 741.0 735.0 99.2 + 56.9 0.0 0918 0000 65.7 741.0 732.0 98.8 + 46.8 0.0 0918 0100 65.7 742.0 731.0 98.5 + 19.3 0.0 0918 0200 65.7 742.0 731.0 98.5 + 18.6 0.0 0918 0300 65.7 742.0 731.0 98.5 + 19.2 0.0 0918 0400 + + + + + 18.4 0.0 TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0917 0400 66.0 748.0 752.0 100.5 + 22.4 0.0 0917 0500 65.8 748.0 751.0 100.4 + 21.9 0.0 0917 0600 65.8 748.0 751.0 100.4 + 24.2 0.0 0917 0700 65.8 748.0 751.0 100.4 + 37.1 0.0 0917 0800 65.8 748.0 751.0 100.4 + 39.7 0.0 0917 0900 65.8 748.0 751.0 100.4 + 36.0 0.0 0917 1000 65.8 748.0 752.0 100.5 + 48.9 0.0 0917 1100 66.0 748.0 753.0 100.7 + 59.2 0.0 0917 1200 66.2 747.0 755.0 101.1 + 59.2 0.0 0917 1300 66.4 746.0 757.0 101.5 + 60.1 0.0 0917 1400 66.6 746.0 759.0 101.7 + 55.1 0.0 0917 1500 66.6 745.0 759.0 101.9 + 53.7 0.0 0917 1600 66.6 745.0 759.0 101.9 + 47.3 0.0 0917 1700 66.6 745.0 758.0 101.7 + 30.0 0.0 0917 1800 66.6 745.0 758.0 101.7 + 57.8 0.0 0917 1900 66.4 744.0 758.0 101.9 + 80.7 0.0 0917 2000 66.2 745.0 756.0 101.5 + 103.1 0.0 0917 2100 66.2 745.0 754.0 101.2 + 95.9 0.0 0917 2200 66.0 746.0 753.0 100.9 + 91.2 0.0 0917 2300 66.0 746.0 752.0 100.8 + 89.7 0.0 0918 0000 66.0 746.0 752.0 100.8 + 52.8 0.0 0918 0100 66.0 747.0 752.0 100.7 + 35.8 0.0 0918 0200 66.0 747.0 752.0 100.7 + 29.7 0.0 0918 0300 66.0 747.0 751.0 100.5 + 14.3 0.0 0918 0400 + + + + + 10.7 0.0 TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND TAILWATER starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0917 0400 66.0 748.0 757.0 101.2 + 22.4 0.0 0917 0500 65.8 748.0 755.0 100.9 + 21.9 0.0 0917 0600 65.8 748.0 754.0 100.8 + 24.2 0.0 0917 0700 65.8 748.0 753.0 100.7 + 37.1 0.0 0917 0800 65.8 748.0 753.0 100.7 + 39.7 0.0 0917 0900 65.7 748.0 752.0 100.5 + 36.0 0.0 0917 1000 65.7 748.0 752.0 100.5 + 48.9 0.0 0917 1100 65.8 748.0 753.0 100.7 + 59.2 0.0 0917 1200 65.8 747.0 754.0 100.9 + 59.2 0.0 0917 1300 66.0 746.0 756.0 101.3 + 60.1 0.0 0917 1400 66.2 746.0 758.0 101.6 + 55.1 0.0 0917 1500 66.4 745.0 759.0 101.9 + 53.7 0.0 0917 1600 66.4 745.0 760.0 102.0 + 47.3 0.0 0917 1700 66.4 745.0 760.0 102.0 + 30.0 0.0 0917 1800 66.4 745.0 760.0 102.0 + 57.8 0.0 0917 1900 66.4 744.0 759.0 102.0 + 80.7 0.0 0917 2000 66.2 745.0 758.0 101.7 + 103.1 0.0 0917 2100 66.2 745.0 757.0 101.6 + 95.9 0.0 0917 2200 66.2 746.0 755.0 101.2 + 91.2 0.0 0917 2300 66.0 746.0 754.0 101.1 + 89.7 0.0 0918 0000 66.0 746.0 753.0 100.9 + 52.8 0.0 0918 0100 66.0 747.0 753.0 100.8 + 35.8 0.0 0918 0200 66.0 747.0 752.0 100.7 + 29.7 0.0 0918 0300 66.0 747.0 752.0 100.7 + 14.3 0.0 0918 0400 + + + + + 10.7 0.0 TOTAL DISSOLVED GAS REPORT FOR WANAPUM starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0917 0400 + + + + + 34.4 1.2 0917 0500 + + + + + 36.3 1.2 0917 0600 + + + + + 61.9 1.1 0917 0700 + + + + + 75.2 1.0 0917 0800 + + + + + 61.1 1.0 0917 0900 + + + + + 38.0 1.0 0917 1000 + + + + + 40.5 1.0 0917 1100 + + + + + 47.5 1.0 0917 1200 + + + + + 44.8 1.1 0917 1300 + + + + + 51.1 1.1 0917 1400 + + + + + 58.8 1.1 0917 1500 + + + + + 76.0 1.1 0917 1600 + + + + + 79.2 1.0 0917 1700 + + + + + 98.4 1.0 0917 1800 + + + + + 75.4 0.9 0917 1900 + + + + + 81.8 0.9 0917 2000 + + + + + 81.0 0.9 0917 2100 + + + + + 77.2 1.0 0917 2200 + + + + + 67.2 1.0 0917 2300 + + + + + 47.2 1.1 0918 0000 + + + + + 42.0 1.2 0918 0100 + + + + + 33.0 1.2 0918 0200 + + + + + 30.9 1.1 0918 0300 + + + + + 33.6 1.2 0918 0400 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF WANAPUM starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0917 0400 + + + + + 34.4 1.2 0917 0500 + + + + + 36.3 1.2 0917 0600 + + + + + 61.9 1.1 0917 0700 + + + + + 75.2 1.0 0917 0800 + + + + + 61.1 1.0 0917 0900 + + + + + 38.0 1.0 0917 1000 + + + + + 40.5 1.0 0917 1100 + + + + + 47.5 1.0 0917 1200 + + + + + 44.8 1.1 0917 1300 + + + + + 51.1 1.1 0917 1400 + + + + + 58.8 1.1 0917 1500 + + + + + 76.0 1.1 0917 1600 + + + + + 79.2 1.0 0917 1700 + + + + + 98.4 1.0 0917 1800 + + + + + 75.4 0.9 0917 1900 + + + + + 81.8 0.9 0917 2000 + + + + + 81.0 0.9 0917 2100 + + + + + 77.2 1.0 0917 2200 + + + + + 67.2 1.0 0917 2300 + + + + + 47.2 1.1 0918 0000 + + + + + 42.0 1.2 0918 0100 + + + + + 33.0 1.2 0918 0200 + + + + + 30.9 1.1 0918 0300 + + + + + 33.6 1.2 0918 0400 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR PRIEST RAPIDS starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0917 0400 + + + + + 38.1 2.1 0917 0500 + + + + + 38.3 2.1 0917 0600 + + + + + 40.8 2.0 0917 0700 + + + + + 51.2 2.1 0917 0800 + + + + + 50.4 2.2 0917 0900 + + + + + 42.2 2.3 0917 1000 + + + + + 48.6 2.2 0917 1100 + + + + + 48.9 2.2 0917 1200 + + + + + 42.8 2.2 0917 1300 + + + + + 45.2 2.2 0917 1400 + + + + + 47.0 2.2 0917 1500 + + + + + 65.9 2.2 0917 1600 + + + + + 75.0 2.2 0917 1700 + + + + + 106.9 2.1 0917 1800 + + + + + 98.0 2.1 0917 1900 + + + + + 101.4 2.0 0917 2000 + + + + + 79.7 2.0 0917 2100 + + + + + 64.0 2.0 0917 2200 + + + + + 53.5 2.1 0917 2300 + + + + + 41.4 2.2 0918 0000 + + + + + 41.3 2.2 0918 0100 + + + + + 40.1 2.2 0918 0200 + + + + + 39.4 2.1 0918 0300 + + + + + 39.4 2.1 0918 0400 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR BELOW PRIEST RAPIDS starting at 0400 17 Sep 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0917 0400 + + + + + 38.1 2.1 0917 0500 + + + + + 38.3 2.1 0917 0600 + + + + + 40.8 2.0 0917 0700 + + + + + 51.2 2.1 0917 0800 + + + + + 50.4 2.2 0917 0900 + + + + + 42.2 2.3 0917 1000 + + + + + 48.6 2.2 0917 1100 + + + + + 48.9 2.2 0917 1200 + + + + + 42.8 2.2 0917 1300 + + + + + 45.2 2.2 0917 1400 + + + + + 47.0 2.2 0917 1500 + + + + + 65.9 2.2 0917 1600 + + + + + 75.0 2.2 0917 1700 + + + + + 106.9 2.1 0917 1800 + + + + + 98.0 2.1 0917 1900 + + + + + 101.4 2.0 0917 2000 + + + + + 79.7 2.0 0917 2100 + + + + + 64.0 2.0 0917 2200 + + + + + 53.5 2.1 0917 2300 + + + + + 41.4 2.2 0918 0000 + + + + + 41.3 2.2 0918 0100 + + + + + 40.1 2.2 0918 0200 + + + + + 39.4 2.1 0918 0300 + + + + + 39.4 2.1 0918 0400 + + + + + + +