TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF HUNGRY HORSE starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0415 1200 + 671.0 + + 7.1 0.0 0415 1300 + 671.0 + + 7.1 0.0 0415 1400 + 671.0 + + 7.2 0.0 0415 1500 + 671.0 + + 7.2 0.0 0415 1600 + 670.0 + + 7.2 0.0 0415 1700 + 672.0 + + 7.3 0.0 0415 1800 + 672.0 + + 7.3 0.0 0415 1900 + 672.0 + + 7.3 0.0 0415 2000 + 673.0 + + 7.4 0.0 0415 2100 + 673.0 + + 7.4 0.0 0415 2200 + 674.0 + + 7.4 0.0 0415 2300 + 674.0 + + 7.4 0.0 0416 0000 + 675.0 + + 7.3 0.0 0416 0100 + 675.0 + + 7.3 0.0 0416 0200 + 675.0 + + 7.1 0.0 0416 0300 + 675.0 + + 7.2 0.0 0416 0400 + 676.0 + + 7.3 0.0 0416 0500 + 676.0 + + 7.3 0.0 0416 0600 + 676.0 + + 7.2 0.0 0416 0700 + 676.0 + + 7.3 0.0 0416 0800 + 677.0 + + 7.2 0.0 0416 0900 + 678.0 + + 7.2 0.0 0416 1000 + 679.0 + + 7.2 0.0 0416 1100 + 679.0 + + 7.2 0.0 0416 1200 + + + + + + TOTAL DISSOLVED GAS REPORT FOR KOOTENAI R. BL LIBBY DAM starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1200 39.2 694.9 706.0 101.6 10.4 19.5 0.0 0415 1300 39.3 694.7 707.0 101.8 10.5 19.5 0.0 0415 1400 39.3 695.0 707.0 101.7 10.5 19.5 0.0 0415 1500 39.3 695.0 707.0 101.7 10.5 19.5 0.0 0415 1600 39.3 694.5 707.0 101.8 10.5 19.5 0.0 0415 1700 39.2 695.0 706.0 101.6 10.5 19.5 0.0 0415 1800 39.2 695.6 705.0 101.4 10.5 19.5 0.0 0415 1900 39.1 695.5 705.0 101.4 10.5 19.5 0.0 0415 2000 39.1 696.4 704.0 101.1 10.5 19.5 0.0 0415 2100 39.1 697.7 704.0 100.9 10.6 19.5 0.0 0415 2200 39.1 698.2 705.0 101.0 10.6 19.5 0.0 0415 2300 39.0 698.4 705.0 100.9 10.6 19.5 0.0 0416 0000 39.0 698.7 705.0 100.9 10.6 19.5 0.0 0416 0100 39.0 698.8 705.0 100.9 10.6 19.5 0.0 0416 0200 39.0 699.0 705.0 100.9 10.6 19.5 0.0 0416 0300 39.1 699.2 705.0 100.8 10.7 19.5 0.0 0416 0400 39.1 699.5 705.0 100.8 10.7 19.5 0.0 0416 0500 39.1 699.8 705.0 100.7 10.7 19.5 0.0 0416 0600 39.1 700.2 705.0 100.7 10.7 19.5 0.0 0416 0700 39.1 700.8 706.0 100.7 10.7 19.5 0.0 0416 0800 39.1 701.5 706.0 100.6 10.8 19.5 0.0 0416 0900 39.1 702.0 706.0 100.6 10.8 19.5 0.0 0416 1000 39.2 702.4 708.0 100.8 10.8 19.5 0.0 0416 1100 39.3 702.8 708.0 100.7 10.8 19.5 0.0 0416 1200 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR BOUNDARY starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG TOT FLOW DATE TIME DEG F PRES PRES % KCFS 0415 1200 45.8 714.9 782.0 109.4 105.0 0415 1300 45.8 715.6 778.0 108.7 106.0 0415 1400 45.9 716.4 774.0 108.0 106.0 0415 1500 45.9 716.6 772.0 107.7 105.0 0415 1600 45.9 716.4 770.0 107.5 106.0 0415 1700 45.8 717.4 768.0 107.1 106.0 0415 1800 45.7 717.7 767.0 106.9 105.0 0415 1900 45.7 718.1 766.0 106.7 104.0 0415 2000 45.6 718.5 765.0 106.5 104.0 0415 2100 45.6 718.9 765.0 106.4 103.0 0415 2200 45.6 719.4 765.0 106.3 103.0 0415 2300 45.6 719.8 765.0 106.3 103.0 0416 0000 45.5 720.3 765.0 106.2 105.0 0416 0100 45.5 720.9 765.0 106.1 105.0 0416 0200 45.4 721.3 764.0 105.9 105.0 0416 0300 45.4 721.6 764.0 105.9 105.0 0416 0400 45.4 722.2 763.0 105.7 105.0 0416 0500 45.3 722.7 764.0 105.7 105.0 0416 0600 45.3 723.2 764.0 105.6 105.0 0416 0700 45.3 723.9 765.0 105.7 104.0 0416 0800 45.3 724.5 765.0 105.6 104.0 0416 0900 45.3 725.0 766.0 105.7 104.0 0416 1000 45.4 725.2 766.0 105.6 103.0 0416 1100 + 725.3 + + + 0416 1200 + + + + + TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE FOREBAY starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1200 44.2 717.0 767.0 107.0 + 73.4 0.0 0415 1300 44.1 717.0 766.0 106.8 + 62.1 0.0 0415 1400 44.1 717.0 766.0 106.8 + 72.2 0.0 0415 1500 44.2 717.0 766.0 106.8 + 78.4 0.0 0415 1600 44.2 717.0 767.0 107.0 + 62.8 0.0 0415 1700 44.2 719.0 767.0 106.7 + 69.1 0.0 0415 1800 44.4 720.0 767.0 106.5 + 77.5 0.0 0415 1900 44.4 720.0 767.0 106.5 + 124.2 0.0 0415 2000 44.8 720.0 768.0 106.7 + 141.7 0.0 0415 2100 44.6 721.0 769.0 106.7 + 142.0 0.0 0415 2200 45.0 722.0 770.0 106.6 + 130.2 0.0 0415 2300 44.4 722.0 768.0 106.4 + 145.5 0.0 0416 0000 44.4 723.0 768.0 106.2 + 138.1 0.0 0416 0100 44.6 724.0 768.0 106.1 + 119.0 0.0 0416 0200 44.4 724.0 767.0 105.9 + 112.0 0.0 0416 0300 44.8 725.0 768.0 105.9 + 108.7 0.0 0416 0400 44.6 725.0 768.0 105.9 + 109.9 0.0 0416 0500 44.6 726.0 767.0 105.6 + 111.5 0.0 0416 0600 44.6 726.0 767.0 105.6 + 129.8 0.0 0416 0700 44.6 727.0 767.0 105.5 + 131.9 0.0 0416 0800 44.6 727.0 768.0 105.6 + 143.0 0.0 0416 0900 44.4 727.0 768.0 105.6 + 143.3 0.0 0416 1000 44.4 727.0 768.0 105.6 + 109.5 0.0 0416 1100 44.4 728.0 768.0 105.5 + 94.8 0.0 0416 1200 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE TAILWATER starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0415 1200 + 725.0 773.0 106.6 73.4 0.0 0415 1300 + 725.0 774.0 106.8 62.1 0.0 0415 1400 + 726.0 772.0 106.3 72.2 0.0 0415 1500 + 726.0 771.0 106.2 78.4 0.0 0415 1600 + 726.0 770.0 106.1 62.8 0.0 0415 1700 + 728.0 770.0 105.8 69.1 0.0 0415 1800 + 728.0 769.0 105.6 77.5 0.0 0415 1900 + 729.0 768.0 105.3 124.2 0.0 0415 2000 + 729.0 768.0 105.3 141.7 0.0 0415 2100 + 730.0 768.0 105.2 142.0 0.0 0415 2200 + 731.0 769.0 105.2 130.2 0.0 0415 2300 + 731.0 768.0 105.1 145.5 0.0 0416 0000 + 732.0 769.0 105.1 138.1 0.0 0416 0100 + 732.0 770.0 105.2 119.0 0.0 0416 0200 + 733.0 768.0 104.8 112.0 0.0 0416 0300 + 733.0 768.0 104.8 108.7 0.0 0416 0400 + 734.0 768.0 104.6 109.9 0.0 0416 0500 + 735.0 769.0 104.6 111.5 0.0 0416 0600 + 736.0 769.0 104.5 129.8 0.0 0416 0700 + 736.0 769.0 104.5 131.9 0.0 0416 0800 + 736.0 770.0 104.6 143.0 0.0 0416 0900 + 736.0 771.0 104.8 143.3 0.0 0416 1000 + 736.0 773.0 105.0 109.5 0.0 0416 1100 + 736.0 773.0 105.0 94.8 0.0 0416 1200 + + + + + + TOTAL DISSOLVED GAS REPORT FOR CHIEF JOSEPH starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1200 44.8 725.8 771.0 106.2 + 104.2 0.0 0415 1300 44.8 725.7 771.0 106.2 + 80.0 0.0 0415 1400 44.8 726.0 771.0 106.2 + 78.5 0.0 0415 1500 44.8 726.3 771.0 106.2 + 77.3 0.0 0415 1600 44.8 727.0 771.0 106.0 + 70.3 0.0 0415 1700 44.8 727.6 771.0 106.0 + 81.9 0.0 0415 1800 44.8 728.1 770.0 105.8 + 89.8 0.0 0415 1900 44.8 728.9 770.0 105.6 + 110.6 0.0 0415 2000 44.7 729.7 770.0 105.5 + 111.2 0.0 0415 2100 44.7 730.7 770.0 105.4 + 109.4 0.0 0415 2200 44.7 731.4 769.0 105.1 + 109.7 0.0 0415 2300 44.7 731.9 769.0 105.1 + 108.8 0.0 0416 0000 + + + + + 106.7 0.0 0416 0100 44.6 732.8 769.0 104.9 + 108.2 0.0 0416 0200 44.6 733.2 769.0 104.9 + 107.5 0.0 0416 0300 44.6 733.6 769.0 104.8 + 106.6 0.0 0416 0400 44.6 734.4 769.0 104.7 + 108.0 0.0 0416 0500 44.6 735.1 770.0 104.8 + 108.3 0.0 0416 0600 44.5 735.8 770.0 104.7 + 107.4 0.0 0416 0700 44.5 736.3 770.0 104.6 + 107.8 0.0 0416 0800 44.5 736.6 771.0 104.7 + 107.4 0.0 0416 0900 44.6 736.7 771.0 104.7 + 107.3 0.0 0416 1000 44.6 736.6 772.0 104.8 + 104.8 0.0 0416 1100 44.6 736.9 772.0 104.8 + 105.7 0.0 0416 1200 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF CHIEF JOSEPH starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1200 44.4 730.4 775.0 106.1 9.0 104.2 0.0 0415 1300 44.6 730.3 777.0 106.4 9.0 80.0 0.0 0415 1400 44.4 730.5 784.0 107.3 9.0 78.5 0.0 0415 1500 44.4 730.8 785.0 107.4 9.0 77.3 0.0 0415 1600 44.4 731.7 785.0 107.3 10.0 70.3 0.0 0415 1700 44.3 732.2 778.0 106.3 10.0 81.9 0.0 0415 1800 44.2 732.7 772.0 105.4 10.0 89.8 0.0 0415 1900 44.2 733.4 772.0 105.3 10.0 110.6 0.0 0415 2000 44.1 734.3 773.0 105.3 10.0 111.2 0.0 0415 2100 44.1 735.3 773.0 105.1 10.0 109.4 0.0 0415 2200 44.1 735.9 773.0 105.0 10.0 109.7 0.0 0415 2300 44.1 736.5 772.0 104.8 9.0 108.8 0.0 0416 0000 44.1 736.9 772.0 104.8 10.0 106.7 0.0 0416 0100 44.2 737.4 772.0 104.7 9.0 108.2 0.0 0416 0200 44.2 737.9 772.0 104.6 9.0 107.5 0.0 0416 0300 44.1 738.3 772.0 104.6 10.0 106.6 0.0 0416 0400 44.1 739.1 772.0 104.5 10.0 108.0 0.0 0416 0500 44.1 739.9 773.0 104.5 9.0 108.3 0.0 0416 0600 44.1 740.5 772.0 104.3 9.0 107.4 0.0 0416 0700 44.1 741.1 772.0 104.2 9.0 107.8 0.0 0416 0800 44.1 741.4 773.0 104.3 9.0 107.4 0.0 0416 0900 44.1 741.4 772.0 104.1 9.0 107.3 0.0 0416 1000 44.1 741.3 772.0 104.1 9.0 104.8 0.0 0416 1100 44.2 741.5 773.0 104.2 9.0 105.7 0.0 0416 1200 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR WELLS starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1200 45.5 734.0 769.0 104.8 + 117.6 10.3 0415 1300 45.5 734.0 769.0 104.8 + 96.8 9.0 0415 1400 45.5 734.0 769.0 104.8 + 59.0 8.7 0415 1500 45.7 734.0 769.0 104.8 + 64.7 8.7 0415 1600 45.7 734.0 770.0 104.9 + 87.5 8.7 0415 1700 45.9 735.0 771.0 104.9 + 70.6 8.7 0415 1800 45.7 736.0 770.0 104.6 + 92.9 8.7 0415 1900 45.7 737.0 770.0 104.5 + 151.0 10.9 0415 2000 45.7 738.0 770.0 104.3 + 149.4 10.9 0415 2100 45.5 739.0 769.0 104.1 + 159.9 10.9 0415 2200 45.3 740.0 768.0 103.8 + 151.4 10.9 0415 2300 45.3 740.0 768.0 103.8 + 127.3 10.9 0416 0000 45.3 741.0 768.0 103.6 + 136.0 10.9 0416 0100 45.3 742.0 769.0 103.6 + 117.5 10.9 0416 0200 45.3 742.0 769.0 103.6 + 105.9 10.9 0416 0300 45.3 742.0 770.0 103.8 + 113.8 10.9 0416 0400 45.3 743.0 770.0 103.6 + 129.7 10.9 0416 0500 45.5 744.0 770.0 103.5 + 142.6 10.9 0416 0600 45.5 745.0 771.0 103.5 + 153.6 10.9 0416 0700 45.5 745.0 771.0 103.5 + 137.4 10.9 0416 0800 45.5 746.0 771.0 103.4 + 143.0 10.9 0416 0900 45.5 745.0 771.0 103.5 + 113.9 10.9 0416 1000 45.5 744.0 771.0 103.6 + 127.5 10.9 0416 1100 45.7 743.0 771.0 103.8 + 122.9 10.9 0416 1200 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF WELLS starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1200 45.3 734.0 785.0 106.9 + 117.6 10.3 0415 1300 45.3 734.0 786.0 107.1 + 96.8 9.0 0415 1400 45.5 734.0 787.0 107.2 + 59.0 8.7 0415 1500 45.5 734.0 787.0 107.2 + 64.7 8.7 0415 1600 45.7 734.0 788.0 107.4 + 87.5 8.7 0415 1700 45.7 735.0 789.0 107.3 + 70.6 8.7 0415 1800 45.7 736.0 789.0 107.2 + 92.9 8.7 0415 1900 45.5 737.0 789.0 107.1 + 151.0 10.9 0415 2000 45.3 738.0 787.0 106.6 + 149.4 10.9 0415 2100 45.3 739.0 785.0 106.2 + 159.9 10.9 0415 2200 45.3 740.0 784.0 105.9 + 151.4 10.9 0415 2300 45.1 740.0 784.0 105.9 + 127.3 10.9 0416 0000 45.1 741.0 784.0 105.8 + 136.0 10.9 0416 0100 45.1 742.0 784.0 105.7 + 117.5 10.9 0416 0200 45.1 742.0 784.0 105.7 + 105.9 10.9 0416 0300 45.1 742.0 784.0 105.7 + 113.8 10.9 0416 0400 45.1 743.0 786.0 105.8 + 129.7 10.9 0416 0500 45.1 744.0 786.0 105.6 + 142.6 10.9 0416 0600 45.1 745.0 786.0 105.5 + 153.6 10.9 0416 0700 45.1 745.0 786.0 105.5 + 137.4 10.9 0416 0800 45.1 746.0 786.0 105.4 + 143.0 10.9 0416 0900 45.1 745.0 786.0 105.5 + 113.9 10.9 0416 1000 45.3 744.0 786.0 105.6 + 127.5 10.9 0416 1100 45.3 743.0 788.0 106.1 + 122.9 10.9 0416 1200 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR ROCKY REACH starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1200 46.0 733.0 784.0 107.0 + 100.3 0.0 0415 1300 46.0 734.0 784.0 106.8 + 103.2 0.0 0415 1400 46.8 734.0 778.0 106.0 + 83.4 0.0 0415 1500 46.2 734.0 785.0 106.9 + 72.4 0.0 0415 1600 46.2 734.0 784.0 106.8 + 74.4 0.0 0415 1700 46.2 734.0 785.0 106.9 + 70.3 0.0 0415 1800 46.2 735.0 785.0 106.8 + 112.2 0.0 0415 1900 46.4 736.0 785.0 106.7 + 129.5 0.0 0415 2000 46.4 736.0 787.0 106.9 + 109.1 0.0 0415 2100 46.4 737.0 786.0 106.6 + 136.4 0.0 0415 2200 46.4 737.0 787.0 106.8 + 121.3 0.0 0415 2300 46.4 738.0 788.0 106.8 + 117.9 0.0 0416 0000 46.4 739.0 787.0 106.5 + 123.4 0.0 0416 0100 46.4 739.0 786.0 106.4 + 142.8 0.0 0416 0200 46.4 739.0 786.0 106.4 + 127.1 0.0 0416 0300 46.4 740.0 786.0 106.2 + 123.7 0.0 0416 0400 46.4 740.0 786.0 106.2 + 121.4 0.0 0416 0500 46.4 741.0 785.0 105.9 + 117.7 0.0 0416 0600 46.2 742.0 785.0 105.8 + 142.9 0.0 0416 0700 46.2 742.0 784.0 105.7 + 164.3 0.0 0416 0800 46.2 743.0 783.0 105.4 + 158.1 0.0 0416 0900 46.2 743.0 783.0 105.4 + 149.6 0.0 0416 1000 46.2 743.0 782.0 105.2 + 121.6 0.0 0416 1100 46.2 743.0 782.0 105.2 + 112.1 0.0 0416 1200 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR ROCKY REACH TAILWATER starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1200 46.0 733.0 776.0 105.9 + 100.3 0.0 0415 1300 46.0 734.0 776.0 105.7 + 103.2 0.0 0415 1400 46.0 734.0 776.0 105.7 + 83.4 0.0 0415 1500 46.0 734.0 776.0 105.7 + 72.4 0.0 0415 1600 46.0 734.0 776.0 105.7 + 74.4 0.0 0415 1700 46.0 734.0 776.0 105.7 + 70.3 0.0 0415 1800 46.0 735.0 777.0 105.7 + 112.2 0.0 0415 1900 46.2 736.0 779.0 105.8 + 129.5 0.0 0415 2000 46.2 736.0 779.0 105.8 + 109.1 0.0 0415 2100 46.2 737.0 780.0 105.8 + 136.4 0.0 0415 2200 46.2 737.0 780.0 105.8 + 121.3 0.0 0415 2300 46.2 738.0 780.0 105.7 + 117.9 0.0 0416 0000 46.4 739.0 780.0 105.5 + 123.4 0.0 0416 0100 46.4 739.0 780.0 105.5 + 142.8 0.0 0416 0200 46.2 739.0 779.0 105.4 + 127.1 0.0 0416 0300 46.2 740.0 779.0 105.3 + 123.7 0.0 0416 0400 46.2 740.0 778.0 105.1 + 121.4 0.0 0416 0500 46.2 741.0 778.0 105.0 + 117.7 0.0 0416 0600 46.2 742.0 778.0 104.9 + 142.9 0.0 0416 0700 46.2 742.0 778.0 104.9 + 164.3 0.0 0416 0800 46.0 743.0 778.0 104.7 + 158.1 0.0 0416 0900 46.0 743.0 777.0 104.6 + 149.6 0.0 0416 1000 46.0 743.0 776.0 104.4 + 121.6 0.0 0416 1100 46.0 743.0 775.0 104.3 + 112.1 0.0 0416 1200 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1200 46.4 739.0 782.0 105.8 + 118.8 9.9 0415 1300 46.4 739.0 783.0 106.0 + 118.0 12.8 0415 1400 46.4 740.0 783.0 105.8 + 107.6 12.9 0415 1500 46.6 740.0 784.0 105.9 + 99.8 12.6 0415 1600 46.6 740.0 784.0 105.9 + 96.4 12.3 0415 1700 46.6 740.0 784.0 105.9 + 81.6 12.2 0415 1800 46.6 740.0 784.0 105.9 + 92.7 11.9 0415 1900 46.4 741.0 783.0 105.7 + 101.7 12.5 0415 2000 46.4 741.0 782.0 105.5 + 131.2 12.8 0415 2100 46.4 742.0 782.0 105.4 + 130.2 16.1 0415 2200 46.2 743.0 782.0 105.2 + 124.9 16.8 0415 2300 46.2 743.0 782.0 105.2 + 128.0 16.9 0416 0000 46.4 744.0 782.0 105.1 + 127.3 16.9 0416 0100 46.4 745.0 783.0 105.1 + 147.1 16.5 0416 0200 46.4 745.0 783.0 105.1 + 145.4 16.7 0416 0300 46.2 745.0 783.0 105.1 + 138.1 16.6 0416 0400 46.2 746.0 782.0 104.8 + 133.1 16.3 0416 0500 46.2 746.0 781.0 104.7 + 129.8 12.8 0416 0600 46.0 747.0 780.0 104.4 + 139.6 12.6 0416 0700 46.0 748.0 780.0 104.3 + 154.1 12.3 0416 0800 46.0 748.0 780.0 104.3 + 158.9 9.8 0416 0900 46.2 749.0 781.0 104.3 + 159.2 9.9 0416 1000 46.2 749.0 781.0 104.3 + 159.0 9.9 0416 1100 46.2 749.0 782.0 104.4 + 141.8 9.8 0416 1200 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND TAILWATER starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1200 46.2 739.0 788.0 106.6 + 118.8 9.9 0415 1300 46.2 739.0 789.0 106.8 + 118.0 12.8 0415 1400 46.4 740.0 791.0 106.9 + 107.6 12.9 0415 1500 46.4 740.0 793.0 107.2 + 99.8 12.6 0415 1600 46.4 740.0 794.0 107.3 + 96.4 12.3 0415 1700 46.4 740.0 794.0 107.3 + 81.6 12.2 0415 1800 46.4 740.0 794.0 107.3 + 92.7 11.9 0415 1900 46.4 741.0 794.0 107.2 + 101.7 12.5 0415 2000 46.4 741.0 794.0 107.2 + 131.2 12.8 0415 2100 46.4 742.0 793.0 106.9 + 130.2 16.1 0415 2200 46.4 743.0 797.0 107.3 + 124.9 16.8 0415 2300 46.2 743.0 800.0 107.7 + 128.0 16.9 0416 0000 46.2 744.0 801.0 107.7 + 127.3 16.9 0416 0100 46.2 745.0 802.0 107.7 + 147.1 16.5 0416 0200 46.4 745.0 802.0 107.7 + 145.4 16.7 0416 0300 46.4 745.0 802.0 107.7 + 138.1 16.6 0416 0400 46.2 746.0 802.0 107.5 + 133.1 16.3 0416 0500 46.2 746.0 802.0 107.5 + 129.8 12.8 0416 0600 46.2 747.0 797.0 106.7 + 139.6 12.6 0416 0700 46.0 748.0 792.0 105.9 + 154.1 12.3 0416 0800 46.0 748.0 790.0 105.6 + 158.9 9.8 0416 0900 46.0 749.0 788.0 105.2 + 159.2 9.9 0416 1000 46.0 749.0 787.0 105.1 + 159.0 9.9 0416 1100 46.2 749.0 787.0 105.1 + 141.8 9.8 0416 1200 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR WANAPUM starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1200 + + + + + 122.0 49.9 0415 1300 + + + + + 105.2 43.6 0415 1400 + + + + + 117.8 54.1 0415 1500 + + + + + 115.1 57.1 0415 1600 + + + + + 103.1 33.7 0415 1700 + + + + + 125.2 36.4 0415 1800 + + + + + 140.0 37.5 0415 1900 + + + + + 132.3 20.0 0415 2000 + + + + + 134.2 19.9 0415 2100 + + + + + 139.4 19.9 0415 2200 + + + + + 142.9 19.9 0415 2300 + + + + + 137.7 19.8 0416 0000 + + + + + 136.9 19.8 0416 0100 + + + + + 128.7 19.8 0416 0200 + + + + + 133.0 19.8 0416 0300 + + + + + 137.0 20.0 0416 0400 + + + + + 124.4 20.0 0416 0500 + + + + + 129.3 20.0 0416 0600 + + + + + 133.9 20.0 0416 0700 + + + + + 124.4 20.0 0416 0800 + + + + + 130.1 20.1 0416 0900 + + + + + 130.7 20.3 0416 1000 + + + + + 132.5 20.4 0416 1100 + + + + + 133.4 42.4 0416 1200 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF WANAPUM starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1200 + + + + + 122.0 49.9 0415 1300 + + + + + 105.2 43.6 0415 1400 + + + + + 117.8 54.1 0415 1500 + + + + + 115.1 57.1 0415 1600 + + + + + 103.1 33.7 0415 1700 + + + + + 125.2 36.4 0415 1800 + + + + + 140.0 37.5 0415 1900 + + + + + 132.3 20.0 0415 2000 + + + + + 134.2 19.9 0415 2100 + + + + + 139.4 19.9 0415 2200 + + + + + 142.9 19.9 0415 2300 + + + + + 137.7 19.8 0416 0000 + + + + + 136.9 19.8 0416 0100 + + + + + 128.7 19.8 0416 0200 + + + + + 133.0 19.8 0416 0300 + + + + + 137.0 20.0 0416 0400 + + + + + 124.4 20.0 0416 0500 + + + + + 129.3 20.0 0416 0600 + + + + + 133.9 20.0 0416 0700 + + + + + 124.4 20.0 0416 0800 + + + + + 130.1 20.1 0416 0900 + + + + + 130.7 20.3 0416 1000 + + + + + 132.5 20.4 0416 1100 + + + + + 133.4 42.4 0416 1200 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR PRIEST RAPIDS starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1200 + + + + + 136.5 5.7 0415 1300 + + + + + 111.9 0.0 0415 1400 + + + + + 110.9 0.1 0415 1500 + + + + + 114.5 6.0 0415 1600 + + + + + 115.7 30.0 0415 1700 + + + + + 111.6 30.1 0415 1800 + + + + + 127.1 45.0 0415 1900 + + + + + 136.9 29.6 0415 2000 + + + + + 138.3 29.3 0415 2100 + + + + + 138.0 29.0 0415 2200 + + + + + 136.1 28.9 0415 2300 + + + + + 137.5 29.0 0416 0000 + + + + + 135.9 28.9 0416 0100 + + + + + 131.3 28.9 0416 0200 + + + + + 127.9 28.9 0416 0300 + + + + + 127.0 29.0 0416 0400 + + + + + 126.4 29.3 0416 0500 + + + + + 127.3 29.2 0416 0600 + + + + + 127.4 29.1 0416 0700 + + + + + 126.4 29.3 0416 0800 + + + + + 126.7 29.2 0416 0900 + + + + + 125.9 29.2 0416 1000 + + + + + 126.3 29.3 0416 1100 + + + + + 125.7 29.3 0416 1200 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR BELOW PRIEST RAPIDS starting at 1200 15 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0415 1200 + + + + + 136.5 5.7 0415 1300 + + + + + 111.9 0.0 0415 1400 + + + + + 110.9 0.1 0415 1500 + + + + + 114.5 6.0 0415 1600 + + + + + 115.7 30.0 0415 1700 + + + + + 111.6 30.1 0415 1800 + + + + + 127.1 45.0 0415 1900 + + + + + 136.9 29.6 0415 2000 + + + + + 138.3 29.3 0415 2100 + + + + + 138.0 29.0 0415 2200 + + + + + 136.1 28.9 0415 2300 + + + + + 137.5 29.0 0416 0000 + + + + + 135.9 28.9 0416 0100 + + + + + 131.3 28.9 0416 0200 + + + + + 127.9 28.9 0416 0300 + + + + + 127.0 29.0 0416 0400 + + + + + 126.4 29.3 0416 0500 + + + + + 127.3 29.2 0416 0600 + + + + + 127.4 29.1 0416 0700 + + + + + 126.4 29.3 0416 0800 + + + + + 126.7 29.2 0416 0900 + + + + + 125.9 29.2 0416 1000 + + + + + 126.3 29.3 0416 1100 + + + + + 125.7 29.3 0416 1200 + + + + + + +