TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF HUNGRY HORSE starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0402 1800 + 677.0 + + 6.0 0.0 0402 1900 + 678.0 + + 6.0 0.0 0402 2000 + 679.0 + + 6.0 0.0 0402 2100 + 680.0 + + 5.9 0.0 0402 2200 + 681.0 + + 5.9 0.0 0402 2300 + 681.0 + + 6.0 0.0 0403 0000 + 682.0 + + 6.0 0.0 0403 0100 + 682.0 + + 6.0 0.0 0403 0200 + 683.0 + + 5.9 0.0 0403 0300 + 683.0 + + 5.9 0.0 0403 0400 + 684.0 + + 5.9 0.0 0403 0500 + 685.0 + + 6.0 0.0 0403 0600 + 685.0 + + 6.0 0.0 0403 0700 + 686.0 + + 6.0 0.0 0403 0800 + 686.0 + + 5.9 0.0 0403 0900 + 687.0 + + 5.9 0.0 0403 1000 + 687.0 + + 5.9 0.0 0403 1100 + 687.0 + + 5.9 0.0 0403 1200 + 687.0 + + 6.0 0.0 0403 1300 + 687.0 + + 5.9 0.0 0403 1400 + 687.0 + + 5.9 0.0 0403 1500 + 687.0 + + 5.9 0.0 0403 1600 + 687.0 + + 5.9 0.0 0403 1700 + 688.0 + + 5.9 0.0 0403 1800 + + + + + + TOTAL DISSOLVED GAS REPORT FOR KOOTENAI R. BL LIBBY DAM starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0402 1800 40.0 702.1 691.0 98.4 11.0 20.0 0.0 0402 1900 40.1 702.8 691.0 98.3 11.0 20.0 0.0 0402 2000 40.0 703.5 691.0 98.2 11.1 20.0 0.0 0402 2100 40.0 704.3 691.0 98.1 11.1 20.0 0.0 0402 2200 40.0 705.0 691.0 98.0 11.1 20.0 0.0 0402 2300 40.0 705.5 690.0 97.8 11.1 20.0 0.0 0403 0000 40.0 706.2 690.0 97.7 11.1 20.0 0.0 0403 0100 40.0 706.8 690.0 97.6 11.2 20.0 0.0 0403 0200 40.0 707.2 690.0 97.6 11.2 20.0 0.0 0403 0300 40.0 707.8 690.0 97.5 11.2 20.0 0.0 0403 0400 40.0 708.6 690.0 97.4 11.2 20.0 0.0 0403 0500 40.0 709.2 690.0 97.3 11.3 20.0 0.0 0403 0600 40.0 709.8 689.0 97.1 11.3 20.0 0.0 0403 0700 39.9 710.5 689.0 97.0 11.3 20.0 0.0 0403 0800 39.9 711.0 690.0 97.1 11.3 20.0 0.0 0403 0900 40.0 711.4 690.0 97.0 11.4 20.0 0.0 0403 1000 40.0 711.7 691.0 97.1 11.4 20.0 0.0 0403 1100 40.0 712.1 691.0 97.0 11.4 20.0 0.0 0403 1200 39.9 712.0 692.0 97.2 11.4 20.0 0.0 0403 1300 39.9 712.0 692.0 97.2 11.4 20.0 0.0 0403 1400 40.0 712.0 692.0 97.2 11.4 20.0 0.0 0403 1500 39.9 712.1 693.0 97.3 11.4 20.0 0.0 0403 1600 39.8 712.3 693.0 97.3 11.4 20.0 0.0 0403 1700 39.8 712.5 692.0 97.1 11.4 20.0 0.0 0403 1800 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR BOUNDARY starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG TOT FLOW DATE TIME DEG F PRES PRES % KCFS 0402 1800 42.6 723.4 755.0 104.4 92.1 0402 1900 42.6 724.2 755.0 104.3 96.9 0402 2000 42.7 725.0 756.0 104.3 99.2 0402 2100 42.7 726.0 756.0 104.1 98.6 0402 2200 42.7 726.8 755.0 103.9 100.0 0402 2300 42.6 727.6 755.0 103.8 101.0 0403 0000 42.6 728.1 754.0 103.6 98.7 0403 0100 42.5 729.0 752.0 103.2 94.3 0403 0200 42.4 729.9 750.0 102.8 92.1 0403 0300 42.3 730.5 749.0 102.5 92.4 0403 0400 42.3 731.0 749.0 102.5 91.9 0403 0500 42.3 731.4 749.0 102.4 91.9 0403 0600 42.3 731.9 751.0 102.6 92.3 0403 0700 42.3 732.6 753.0 102.8 92.0 0403 0800 42.3 733.3 755.0 103.0 92.4 0403 0900 42.4 733.6 757.0 103.2 97.9 0403 1000 42.5 733.8 760.0 103.6 98.7 0403 1100 42.6 734.2 762.0 103.8 99.8 0403 1200 42.6 734.0 764.0 104.1 99.7 0403 1300 42.8 733.7 782.0 106.6 99.7 0403 1400 42.9 733.5 779.0 106.2 99.8 0403 1500 43.0 733.1 778.0 106.1 100.0 0403 1600 43.0 733.0 778.0 106.1 101.0 0403 1700 + 733.1 + + + 0403 1800 + + + + + TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE FOREBAY starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0402 1800 42.8 726.0 750.0 103.3 + 64.6 0.0 0402 1900 42.8 726.0 749.0 103.2 + 93.5 0.0 0402 2000 42.8 727.0 749.0 103.0 + 100.3 0.0 0402 2100 42.8 728.0 750.0 103.0 + 108.8 0.0 0402 2200 42.8 729.0 751.0 103.0 + 109.1 0.0 0402 2300 42.8 729.0 750.0 102.9 + 101.6 0.0 0403 0000 42.8 730.0 750.0 102.7 + 95.8 0.0 0403 0100 42.8 731.0 750.0 102.6 + 97.2 0.0 0403 0200 42.8 731.0 749.0 102.5 + 98.8 0.0 0403 0300 42.8 732.0 749.0 102.3 + 100.3 0.0 0403 0400 42.8 732.0 748.0 102.2 + 99.7 0.0 0403 0500 42.8 733.0 748.0 102.0 + 110.5 0.0 0403 0600 42.8 733.0 748.0 102.0 + 123.7 0.0 0403 0700 42.8 734.0 748.0 101.9 + 126.8 0.0 0403 0800 42.8 734.0 749.0 102.0 + 124.9 0.0 0403 0900 42.8 735.0 750.0 102.0 + 125.0 0.0 0403 1000 42.8 735.0 750.0 102.0 + 113.5 0.0 0403 1100 43.0 735.0 751.0 102.2 + 101.5 0.0 0403 1200 43.0 735.0 752.0 102.3 + 87.7 0.0 0403 1300 43.3 735.0 753.0 102.4 + 75.4 0.0 0403 1400 43.5 735.0 754.0 102.6 + 67.2 0.0 0403 1500 44.1 735.0 758.0 103.1 + 67.1 0.0 0403 1600 44.2 735.0 759.0 103.3 + 70.0 0.0 0403 1700 44.1 734.0 760.0 103.5 + 81.2 0.0 0403 1800 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE TAILWATER starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG TOT FLOW SPILL DATE TIME DEG F PRES PRES % KCFS KCFS 0402 1800 + 734.0 759.0 103.4 64.6 0.0 0402 1900 + 735.0 759.0 103.3 93.5 0.0 0402 2000 + 736.0 758.0 103.0 100.3 0.0 0402 2100 + 737.0 757.0 102.7 108.8 0.0 0402 2200 + 738.0 756.0 102.4 109.1 0.0 0402 2300 + 738.0 758.0 102.7 101.6 0.0 0403 0000 + 739.0 759.0 102.7 95.8 0.0 0403 0100 + 740.0 759.0 102.6 97.2 0.0 0403 0200 + 740.0 759.0 102.6 98.8 0.0 0403 0300 + 741.0 759.0 102.4 100.3 0.0 0403 0400 + 741.0 759.0 102.4 99.7 0.0 0403 0500 + 742.0 759.0 102.3 110.5 0.0 0403 0600 + 742.0 759.0 102.3 123.7 0.0 0403 0700 + 743.0 759.0 102.2 126.8 0.0 0403 0800 + 744.0 759.0 102.0 124.9 0.0 0403 0900 + 744.0 758.0 101.9 125.0 0.0 0403 1000 + 744.0 758.0 101.9 113.5 0.0 0403 1100 + 744.0 759.0 102.0 101.5 0.0 0403 1200 + 744.0 760.0 102.2 87.7 0.0 0403 1300 + 744.0 762.0 102.4 75.4 0.0 0403 1400 + 744.0 765.0 102.8 67.2 0.0 0403 1500 + 743.0 767.0 103.2 67.1 0.0 0403 1600 + 743.0 769.0 103.5 70.0 0.0 0403 1700 + 743.0 769.0 103.5 81.2 0.0 0403 1800 + + + + + + TOTAL DISSOLVED GAS REPORT FOR CHIEF JOSEPH starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0402 1800 42.1 734.4 759.0 103.4 + 110.3 0.0 0402 1900 42.1 735.3 759.0 103.2 + 110.7 0.0 0402 2000 42.1 736.4 758.0 102.9 + 111.5 0.0 0402 2100 42.1 737.7 758.0 102.8 + 111.5 0.0 0402 2200 42.2 738.5 758.0 102.6 + 111.4 0.0 0402 2300 42.2 738.9 758.0 102.6 + 111.3 0.0 0403 0000 + + + + + 111.2 0.0 0403 0100 42.1 740.1 757.0 102.3 + 111.6 0.0 0403 0200 42.1 740.4 756.0 102.1 + 111.7 0.0 0403 0300 42.0 741.0 756.0 102.0 + 112.1 0.0 0403 0400 42.0 741.3 756.0 102.0 + 111.9 0.0 0403 0500 42.0 741.8 756.0 101.9 + 112.0 0.0 0403 0600 42.0 742.1 756.0 101.9 + 112.2 0.0 0403 0700 42.0 742.7 756.0 101.8 + 111.6 0.0 0403 0800 42.0 743.3 756.0 101.7 + 111.5 0.0 0403 0900 42.0 743.6 757.0 101.8 + 111.4 0.0 0403 1000 42.1 744.0 759.0 102.0 + 111.5 0.0 0403 1100 42.1 744.0 759.0 102.0 + 111.4 0.0 0403 1200 42.2 743.8 760.0 102.2 + 110.8 0.0 0403 1300 42.2 743.4 762.0 102.5 + 110.7 0.0 0403 1400 42.3 743.2 762.0 102.5 + 111.1 0.0 0403 1500 42.4 743.1 762.0 102.5 + 105.9 0.0 0403 1600 42.3 742.8 761.0 102.5 + 95.5 0.0 0403 1700 42.4 742.5 759.0 102.2 + 87.6 0.0 0403 1800 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF CHIEF JOSEPH starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0402 1800 42.3 738.9 763.0 103.3 14.2 110.3 0.0 0402 1900 42.3 739.8 763.0 103.1 13.8 110.7 0.0 0402 2000 42.3 741.0 762.0 102.8 13.9 111.5 0.0 0402 2100 42.3 742.3 762.0 102.7 14.1 111.5 0.0 0402 2200 42.3 743.1 762.0 102.5 14.2 111.4 0.0 0402 2300 42.3 743.5 762.0 102.5 14.1 111.3 0.0 0403 0000 42.3 744.0 762.0 102.4 14.2 111.2 0.0 0403 0100 42.3 744.8 763.0 102.4 14.3 111.6 0.0 0403 0200 42.4 745.1 763.0 102.4 14.4 111.7 0.0 0403 0300 42.3 745.6 763.0 102.3 14.5 112.1 0.0 0403 0400 42.3 745.9 762.0 102.2 14.4 111.9 0.0 0403 0500 42.3 746.5 762.0 102.1 14.4 112.0 0.0 0403 0600 42.3 746.8 762.0 102.0 14.3 112.2 0.0 0403 0700 42.3 747.3 762.0 102.0 14.4 111.6 0.0 0403 0800 42.4 748.1 762.0 101.9 14.4 111.5 0.0 0403 0900 42.4 748.3 763.0 102.0 14.6 111.4 0.0 0403 1000 42.4 748.6 763.0 101.9 14.5 111.5 0.0 0403 1100 42.5 748.7 764.0 102.0 14.7 111.4 0.0 0403 1200 42.5 748.5 765.0 102.2 14.6 110.8 0.0 0403 1300 42.6 748.0 765.0 102.3 14.5 110.7 0.0 0403 1400 42.6 747.8 766.0 102.4 14.6 111.1 0.0 0403 1500 42.6 747.6 766.0 102.5 14.2 105.9 0.0 0403 1600 42.7 747.2 763.0 102.1 14.2 95.5 0.0 0403 1700 42.7 746.9 761.0 101.9 13.9 87.6 0.0 0403 1800 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR WELLS starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0402 1800 42.8 741.0 761.0 102.7 + 134.8 23.9 0402 1900 42.8 742.0 761.0 102.6 + 122.0 10.4 0402 2000 42.8 744.0 761.0 102.3 + 116.4 10.4 0402 2100 42.8 745.0 760.0 102.0 + 121.3 10.4 0402 2200 42.8 747.0 760.0 101.7 + 123.6 10.4 0402 2300 42.8 747.0 760.0 101.7 + 114.7 10.4 0403 0000 42.8 748.0 760.0 101.6 + 112.3 10.4 0403 0100 42.8 748.0 760.0 101.6 + 116.1 10.4 0403 0200 42.8 749.0 759.0 101.3 + 115.9 10.4 0403 0300 42.8 749.0 759.0 101.3 + 121.2 10.4 0403 0400 42.8 750.0 759.0 101.2 + 123.6 10.4 0403 0500 42.8 750.0 759.0 101.2 + 123.1 10.4 0403 0600 42.8 751.0 759.0 101.1 + 122.5 10.4 0403 0700 42.8 751.0 759.0 101.1 + 118.3 10.4 0403 0800 42.8 751.0 759.0 101.1 + 114.5 10.4 0403 0900 42.8 751.0 760.0 101.2 + 114.2 10.4 0403 1000 42.8 751.0 760.0 101.2 + 113.8 10.4 0403 1100 42.8 751.0 761.0 101.3 + 113.0 10.4 0403 1200 43.0 750.0 762.0 101.6 + 114.9 10.4 0403 1300 43.2 749.0 763.0 101.9 + 116.4 10.4 0403 1400 43.0 748.0 764.0 102.1 + 114.1 10.4 0403 1500 43.0 748.0 763.0 102.0 + 112.7 10.4 0403 1600 43.2 748.0 764.0 102.1 + 116.7 10.4 0403 1700 43.2 748.0 764.0 102.1 + 120.7 10.4 0403 1800 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF WELLS starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0402 1800 42.6 741.0 818.0 110.4 + 134.8 23.9 0402 1900 42.6 742.0 822.0 110.8 + 122.0 10.4 0402 2000 42.4 744.0 802.0 107.8 + 116.4 10.4 0402 2100 42.4 745.0 787.0 105.6 + 121.3 10.4 0402 2200 42.4 747.0 782.0 104.7 + 123.6 10.4 0402 2300 42.4 747.0 780.0 104.4 + 114.7 10.4 0403 0000 42.4 748.0 779.0 104.1 + 112.3 10.4 0403 0100 42.4 748.0 779.0 104.1 + 116.1 10.4 0403 0200 42.4 749.0 779.0 104.0 + 115.9 10.4 0403 0300 42.4 749.0 779.0 104.0 + 121.2 10.4 0403 0400 42.4 750.0 779.0 103.9 + 123.6 10.4 0403 0500 42.4 750.0 778.0 103.7 + 123.1 10.4 0403 0600 42.4 751.0 778.0 103.6 + 122.5 10.4 0403 0700 42.4 751.0 778.0 103.6 + 118.3 10.4 0403 0800 42.4 751.0 778.0 103.6 + 114.5 10.4 0403 0900 42.4 751.0 779.0 103.7 + 114.2 10.4 0403 1000 42.4 751.0 780.0 103.9 + 113.8 10.4 0403 1100 42.6 751.0 781.0 104.0 + 113.0 10.4 0403 1200 42.6 750.0 782.0 104.3 + 114.9 10.4 0403 1300 42.8 749.0 784.0 104.7 + 116.4 10.4 0403 1400 42.8 748.0 785.0 104.9 + 114.1 10.4 0403 1500 43.0 748.0 786.0 105.1 + 112.7 10.4 0403 1600 43.0 748.0 786.0 105.1 + 116.7 10.4 0403 1700 43.0 748.0 786.0 105.1 + 120.7 10.4 0403 1800 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR ROCKY REACH starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0402 1800 43.2 742.0 805.0 108.5 + 115.5 0.0 0402 1900 43.2 743.0 807.0 108.6 + 140.4 0.0 0402 2000 43.3 743.0 808.0 108.7 + 141.7 0.0 0402 2100 43.3 744.0 808.0 108.6 + 149.8 0.0 0402 2200 43.3 745.0 808.0 108.5 + 147.6 0.0 0402 2300 43.3 745.0 809.0 108.6 + 124.2 0.0 0403 0000 43.3 746.0 810.0 108.6 + 117.5 0.0 0403 0100 43.3 746.0 812.0 108.8 + 110.4 0.0 0403 0200 43.3 747.0 813.0 108.8 + 107.0 0.0 0403 0300 43.2 747.0 816.0 109.2 + 95.6 0.0 0403 0400 43.3 747.0 819.0 109.6 + 88.9 0.0 0403 0500 43.3 748.0 819.0 109.5 + 102.2 0.0 0403 0600 43.2 748.0 821.0 109.8 + 130.7 0.0 0403 0700 43.2 748.0 822.0 109.9 + 156.7 0.0 0403 0800 43.2 749.0 823.0 109.9 + 157.4 0.0 0403 0900 43.2 749.0 821.0 109.6 + 104.7 0.0 0403 1000 43.3 749.0 819.0 109.3 + 112.3 0.0 0403 1100 43.3 749.0 817.0 109.1 + 113.4 0.0 0403 1200 43.3 749.0 815.0 108.8 + 117.9 0.0 0403 1300 43.3 749.0 814.0 108.7 + 109.3 0.0 0403 1400 43.3 749.0 811.0 108.3 + 107.1 0.0 0403 1500 43.3 748.0 806.0 107.8 + 101.2 0.0 0403 1600 43.3 748.0 803.0 107.4 + 99.8 0.0 0403 1700 43.3 748.0 800.0 107.0 + 98.9 0.0 0403 1800 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR ROCKY REACH TAILWATER starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0402 1800 43.2 742.0 799.0 107.7 + 115.5 0.0 0402 1900 43.2 743.0 802.0 107.9 + 140.4 0.0 0402 2000 43.2 743.0 802.0 107.9 + 141.7 0.0 0402 2100 43.2 744.0 802.0 107.8 + 149.8 0.0 0402 2200 43.2 745.0 802.0 107.7 + 147.6 0.0 0402 2300 43.2 745.0 801.0 107.5 + 124.2 0.0 0403 0000 43.2 746.0 802.0 107.5 + 117.5 0.0 0403 0100 43.2 746.0 803.0 107.6 + 110.4 0.0 0403 0200 43.2 747.0 805.0 107.8 + 107.0 0.0 0403 0300 43.2 747.0 805.0 107.8 + 95.6 0.0 0403 0400 43.2 747.0 806.0 107.9 + 88.9 0.0 0403 0500 43.2 748.0 810.0 108.3 + 102.2 0.0 0403 0600 43.2 748.0 813.0 108.7 + 130.7 0.0 0403 0700 43.2 748.0 816.0 109.1 + 156.7 0.0 0403 0800 43.2 749.0 816.0 108.9 + 157.4 0.0 0403 0900 43.2 749.0 813.0 108.5 + 104.7 0.0 0403 1000 43.2 749.0 811.0 108.3 + 112.3 0.0 0403 1100 43.2 749.0 808.0 107.9 + 113.4 0.0 0403 1200 43.2 749.0 806.0 107.6 + 117.9 0.0 0403 1300 43.2 749.0 805.0 107.5 + 109.3 0.0 0403 1400 43.2 749.0 802.0 107.1 + 107.1 0.0 0403 1500 43.3 748.0 799.0 106.8 + 101.2 0.0 0403 1600 43.3 748.0 797.0 106.6 + 99.8 0.0 0403 1700 43.3 748.0 795.0 106.3 + 98.9 0.0 0403 1800 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0402 1800 43.7 747.0 797.0 106.7 + 89.4 10.7 0402 1900 43.7 747.0 796.0 106.6 + 151.4 10.2 0402 2000 43.5 748.0 797.0 106.6 + 145.2 10.4 0402 2100 43.5 750.0 798.0 106.4 + 153.6 13.0 0402 2200 43.5 750.0 798.0 106.4 + 152.6 13.1 0402 2300 43.5 751.0 799.0 106.4 + 140.1 13.6 0403 0000 43.5 752.0 799.0 106.2 + 132.6 13.8 0403 0100 43.5 752.0 800.0 106.4 + 123.9 15.9 0403 0200 43.3 753.0 800.0 106.2 + 117.1 16.0 0403 0300 43.3 753.0 801.0 106.4 + 106.9 16.2 0403 0400 43.3 754.0 801.0 106.2 + 103.7 15.8 0403 0500 43.2 754.0 801.0 106.2 + 108.4 12.1 0403 0600 43.2 754.0 802.0 106.4 + 139.7 11.5 0403 0700 43.2 754.0 802.0 106.4 + 151.6 11.0 0403 0800 43.2 755.0 803.0 106.4 + 147.9 9.0 0403 0900 43.2 755.0 803.0 106.4 + 123.7 9.4 0403 1000 43.2 756.0 805.0 106.5 + 117.5 9.5 0403 1100 43.3 756.0 807.0 106.7 + 125.7 9.4 0403 1200 43.3 755.0 810.0 107.3 + 127.4 9.5 0403 1300 43.5 755.0 814.0 107.8 + 118.7 12.4 0403 1400 43.7 754.0 818.0 108.5 + 117.3 12.4 0403 1500 43.7 754.0 821.0 108.9 + 114.9 12.4 0403 1600 43.7 753.0 824.0 109.4 + 116.6 12.3 0403 1700 43.7 753.0 826.0 109.7 + 109.6 12.3 0403 1800 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND TAILWATER starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0402 1800 43.5 747.0 806.0 107.9 + 89.4 10.7 0402 1900 43.5 747.0 806.0 107.9 + 151.4 10.2 0402 2000 43.5 748.0 805.0 107.6 + 145.2 10.4 0402 2100 43.5 750.0 805.0 107.3 + 153.6 13.0 0402 2200 43.5 750.0 807.0 107.6 + 152.6 13.1 0402 2300 43.5 751.0 807.0 107.5 + 140.1 13.6 0403 0000 43.5 752.0 809.0 107.6 + 132.6 13.8 0403 0100 43.5 752.0 810.0 107.7 + 123.9 15.9 0403 0200 43.3 753.0 816.0 108.4 + 117.1 16.0 0403 0300 43.3 753.0 818.0 108.6 + 106.9 16.2 0403 0400 43.3 754.0 818.0 108.5 + 103.7 15.8 0403 0500 43.3 754.0 818.0 108.5 + 108.4 12.1 0403 0600 43.2 754.0 812.0 107.7 + 139.7 11.5 0403 0700 43.2 754.0 810.0 107.4 + 151.6 11.0 0403 0800 43.2 755.0 811.0 107.4 + 147.9 9.0 0403 0900 43.2 755.0 809.0 107.2 + 123.7 9.4 0403 1000 43.2 756.0 809.0 107.0 + 117.5 9.5 0403 1100 43.2 756.0 811.0 107.3 + 125.7 9.4 0403 1200 43.3 755.0 813.0 107.7 + 127.4 9.5 0403 1300 43.3 755.0 816.0 108.1 + 118.7 12.4 0403 1400 43.3 754.0 822.0 109.0 + 117.3 12.4 0403 1500 43.5 754.0 826.0 109.5 + 114.9 12.4 0403 1600 43.5 753.0 829.0 110.1 + 116.6 12.3 0403 1700 43.5 753.0 832.0 110.5 + 109.6 12.3 0403 1800 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR WANAPUM starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0402 1800 43.3 746.0 796.0 106.7 + 147.5 60.8 0402 1900 43.3 747.0 795.0 106.4 + 151.4 30.5 0402 2000 43.4 749.0 794.0 106.0 + 156.7 25.3 0402 2100 43.4 750.0 794.0 105.9 + 155.5 10.1 0402 2200 43.3 750.0 793.0 105.7 + 144.6 9.9 0402 2300 43.3 751.0 792.0 105.5 + 103.0 10.0 0403 0000 43.3 751.0 792.0 105.5 + 107.6 10.0 0403 0100 + + + + + 142.2 2.8 0403 0200 + + + + + 133.8 0.0 0403 0300 + + + + + 142.3 0.0 0403 0400 + + + + + 130.5 0.0 0403 0500 + + + + + 142.5 0.0 0403 0600 + + + + + 144.3 0.0 0403 0700 + + + + + 131.7 0.0 0403 0800 + + + + + 132.1 0.0 0403 0900 + + + + + 123.6 0.0 0403 1000 + + + + + 105.8 0.2 0403 1100 + + + + + 120.3 19.7 0403 1200 + + + + + 128.9 19.7 0403 1300 + + + + + 106.7 19.7 0403 1400 + + + + + 107.8 19.7 0403 1500 + + + + + 127.0 19.6 0403 1600 + + + + + 127.0 19.7 0403 1700 + + + + + 134.8 19.7 0403 1800 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF WANAPUM starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0402 1800 43.9 747.0 873.0 116.9 + 147.5 60.8 0402 1900 43.8 748.0 827.0 110.6 + 151.4 30.5 0402 2000 43.8 749.0 806.0 107.6 + 156.7 25.3 0402 2100 43.8 750.0 791.0 105.5 + 155.5 10.1 0402 2200 43.8 751.0 787.0 104.8 + 144.6 9.9 0402 2300 43.8 751.0 788.0 104.9 + 103.0 10.0 0403 0000 43.8 752.0 788.0 104.8 + 107.6 10.0 0403 0100 + + + + + 142.2 2.8 0403 0200 + + + + + 133.8 0.0 0403 0300 + + + + + 142.3 0.0 0403 0400 + + + + + 130.5 0.0 0403 0500 + + + + + 142.5 0.0 0403 0600 + + + + + 144.3 0.0 0403 0700 + + + + + 131.7 0.0 0403 0800 + + + + + 132.1 0.0 0403 0900 + + + + + 123.6 0.0 0403 1000 + + + + + 105.8 0.2 0403 1100 + + + + + 120.3 19.7 0403 1200 + + + + + 128.9 19.7 0403 1300 + + + + + 106.7 19.7 0403 1400 + + + + + 107.8 19.7 0403 1500 + + + + + 127.0 19.6 0403 1600 + + + + + 127.0 19.7 0403 1700 + + + + + 134.8 19.7 0403 1800 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR PRIEST RAPIDS starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0402 1800 44.0 750.0 800.0 106.7 + 111.1 60.3 0402 1900 44.0 751.0 800.0 106.5 + 113.1 42.2 0402 2000 43.9 752.0 800.0 106.4 + 112.4 40.4 0402 2100 43.9 753.0 798.0 106.0 + 126.0 46.2 0402 2200 43.9 753.0 796.0 105.7 + 143.3 41.3 0402 2300 43.9 754.0 794.0 105.3 + 121.7 40.2 0403 0000 43.8 754.0 793.0 105.2 + 117.0 42.6 0403 0100 + + + + + 141.4 60.0 0403 0200 + + + + + 141.1 52.3 0403 0300 + + + + + 140.9 27.6 0403 0400 + + + + + 141.5 20.4 0403 0500 + + + + + 141.7 20.3 0403 0600 + + + + + 141.6 13.1 0403 0700 + + + + + 141.6 10.1 0403 0800 + + + + + 141.1 10.1 0403 0900 + + + + + 141.2 19.7 0403 1000 + + + + + 138.9 20.0 0403 1100 + + + + + 137.4 38.6 0403 1200 + + + + + 132.1 39.9 0403 1300 + + + + + 131.0 39.9 0403 1400 + + + + + 129.2 39.8 0403 1500 + + + + + 125.8 39.7 0403 1600 + + + + + 126.0 39.8 0403 1700 + + + + + 121.9 24.8 0403 1800 + + + + + + + TOTAL DISSOLVED GAS REPORT FOR BELOW PRIEST RAPIDS starting at 1800 2 Apr 2026 WA TM BARO TD GAS TDG DEPTH OF TOT FLOW SPILL DATE TIME DEG F PRES PRES % GAGE(FT) KCFS KCFS 0402 1800 44.3 752.0 856.0 113.8 + 111.1 60.3 0402 1900 44.3 753.0 853.0 113.3 + 113.1 42.2 0402 2000 44.2 754.0 841.0 111.5 + 112.4 40.4 0402 2100 44.2 755.0 840.0 111.3 + 126.0 46.2 0402 2200 44.1 755.0 839.0 111.1 + 143.3 41.3 0402 2300 44.1 756.0 836.0 110.6 + 121.7 40.2 0403 0000 44.1 756.0 840.0 111.1 + 117.0 42.6 0403 0100 + + + + + 141.4 60.0 0403 0200 + + + + + 141.1 52.3 0403 0300 + + + + + 140.9 27.6 0403 0400 + + + + + 141.5 20.4 0403 0500 + + + + + 141.7 20.3 0403 0600 + + + + + 141.6 13.1 0403 0700 + + + + + 141.6 10.1 0403 0800 + + + + + 141.1 10.1 0403 0900 + + + + + 141.2 19.7 0403 1000 + + + + + 138.9 20.0 0403 1100 + + + + + 137.4 38.6 0403 1200 + + + + + 132.1 39.9 0403 1300 + + + + + 131.0 39.9 0403 1400 + + + + + 129.2 39.8 0403 1500 + + + + + 125.8 39.7 0403 1600 + + + + + 126.0 39.8 0403 1700 + + + + + 121.9 24.8 0403 1800 + + + + + + +