Prepared: 15JUN2025 at 17:35 Gillham Lake Top Flood Pool: 569.0 Cossatot River (GLLA4) Top Conservation Pool: 502.0
Total Time Elevation Tailwater Release Date CS/CDT (ft-NGVD29) (ft-NGVD29) (cfs) __________________________________________________________________________ 08JUN2025 1800 507.63 431.20 125 08JUN2025 1900 507.69 431.22 125 08JUN2025 2000 507.74 431.23 125 08JUN2025 2100 507.79 431.20 125 08JUN2025 2200 507.85 431.20 125 08JUN2025 2300 507.89 431.20 125 08JUN2025 2400 507.94 431.22 125 09JUN2025 0100 507.98 431.19 125 09JUN2025 0200 508.04 431.18 125 09JUN2025 0300 508.08 431.26 125 09JUN2025 0400 508.12 431.20 126 09JUN2025 0500 508.17 431.20 126 09JUN2025 0600 508.20 431.18 126 09JUN2025 0700 508.24 431.19 126 09JUN2025 0800 508.27 431.20 126 09JUN2025 0900 508.29 432.83 495 09JUN2025 1000 508.30 432.84 618 09JUN2025 1100 508.29 433.59 979 09JUN2025 1200 508.27 433.57 1099 09JUN2025 1300 508.24 434.49 1464 09JUN2025 1400 508.20 434.52 1586 09JUN2025 1500 508.14 435.01 1877 09JUN2025 1600 508.08 434.91 1973 09JUN2025 1700 508.01 435.00 1972 09JUN2025 1800 507.95 435.02 1971 09JUN2025 1900 507.88 434.96 1970 09JUN2025 2000 507.81 434.86 1969 09JUN2025 2100 507.74 434.99 1968 09JUN2025 2200 507.67 435.00 1967 09JUN2025 2300 507.60 434.92 1966 09JUN2025 2400 507.52 434.99 1965 10JUN2025 0100 507.45 435.05 1963 10JUN2025 0200 507.38 435.09 1962 10JUN2025 0300 507.31 435.05 1961 10JUN2025 0400 507.23 434.98 1960 10JUN2025 0500 507.15 434.93 1959 10JUN2025 0600 507.08 434.96 1957 10JUN2025 0700 507.00 434.95 1956 10JUN2025 0800 506.93 434.94 1955 10JUN2025 0900 506.86 434.47 1688 10JUN2025 1000 506.81 434.38 1497 10JUN2025 1100 506.75 434.44 1496 10JUN2025 1200 506.70 434.51 1495 10JUN2025 1300 506.65 434.43 1495 10JUN2025 1400 506.59 434.35 1494 10JUN2025 1500 506.53 434.40 1493 10JUN2025 1600 506.47 434.26 1493 10JUN2025 1700 506.42 434.36 1492 10JUN2025 1800 506.36 434.31 1492 10JUN2025 1900 506.30 434.36 1491 10JUN2025 2000 506.24 434.49 1490 10JUN2025 2100 506.18 434.35 1490 10JUN2025 2200 506.12 434.52 1489 10JUN2025 2300 506.06 434.42 1488 10JUN2025 2400 506.00 434.34 1488 11JUN2025 0100 505.94 434.49 1487 11JUN2025 0200 505.88 434.45 1486 11JUN2025 0300 505.82 434.40 1486 11JUN2025 0400 505.76 434.39 1485 11JUN2025 0500 505.69 434.42 1484 11JUN2025 0600 505.63 434.39 1483 11JUN2025 0700 505.57 434.43 1483 11JUN2025 0800 505.51 434.49 1482 11JUN2025 0900 505.46 433.51 1272 11JUN2025 1000 505.42 433.45 978 11JUN2025 1100 505.38 433.40 978 11JUN2025 1200 505.34 433.54 978 11JUN2025 1300 505.30 433.42 977 11JUN2025 1400 505.27 433.45 977 11JUN2025 1500 505.23 433.50 977 11JUN2025 1600 505.19 433.52 976 11JUN2025 1700 505.16 433.45 976 11JUN2025 1800 505.12 433.50 976 11JUN2025 1900 505.09 433.45 976 11JUN2025 2000 505.05 433.44 975 11JUN2025 2100 505.01 433.39 975 11JUN2025 2200 504.98 433.50 975 11JUN2025 2300 504.94 433.42 975 11JUN2025 2400 504.90 433.34 974 12JUN2025 0100 504.86 433.50 974 12JUN2025 0200 504.82 433.45 974 12JUN2025 0300 504.78 433.54 974 12JUN2025 0400 504.75 433.49 973 12JUN2025 0500 504.70 433.39 973 12JUN2025 0600 504.67 433.45 973 12JUN2025 0700 504.64 433.45 973 12JUN2025 0800 504.68 433.45 973 12JUN2025 0900 504.68 433.37 973 12JUN2025 1000 504.76 433.44 973 12JUN2025 1100 505.01 430.71 505 12JUN2025 1200 505.58 430.80 52 12JUN2025 1300 506.25 430.76 52 12JUN2025 1400 507.04 430.71 52 12JUN2025 1500 507.84 430.64 53 12JUN2025 1600 508.59 430.63 53 12JUN2025 1700 509.25 430.62 53 12JUN2025 1800 509.96 430.68 53 12JUN2025 1900 510.63 430.68 53 12JUN2025 2000 511.30 430.70 54 12JUN2025 2100 511.94 430.67 54 12JUN2025 2200 512.56 430.64 54 12JUN2025 2300 513.14 430.63 54 12JUN2025 2400 513.66 430.62 55 13JUN2025 0100 514.14 430.62 55 13JUN2025 0200 514.58 430.62 55 13JUN2025 0300 514.97 430.60 55 13JUN2025 0400 515.32 430.61 55 13JUN2025 0500 515.65 430.61 55 13JUN2025 0600 515.95 430.59 56 13JUN2025 0700 516.23 430.60 56 13JUN2025 0800 516.49 430.61 56 13JUN2025 0900 516.72 432.71 377 13JUN2025 1000 516.92 432.72 539 13JUN2025 1100 517.10 433.44 870 13JUN2025 1200 517.25 433.44 1036 13JUN2025 1300 517.40 433.46 1037 13JUN2025 1400 517.52 434.41 1412 13JUN2025 1500 517.62 434.43 1537 13JUN2025 1600 517.72 434.22 1538 13JUN2025 1700 517.81 434.33 1539 13JUN2025 1800 517.88 434.51 1540 13JUN2025 1900 517.96 434.26 1541 13JUN2025 2000 518.02 434.30 1541 13JUN2025 2100 518.08 434.36 1542 13JUN2025 2200 518.13 434.30 1542 13JUN2025 2300 518.18 434.42 1543 13JUN2025 2400 518.22 434.24 1543 14JUN2025 0100 518.26 434.37 1544 14JUN2025 0200 518.29 434.37 1544 14JUN2025 0300 518.33 434.28 1544 14JUN2025 0400 518.36 434.50 1545 14JUN2025 0500 518.38 434.13 1545 14JUN2025 0600 518.40 434.27 1545 14JUN2025 0700 518.42 434.38 1545 14JUN2025 0800 518.44 434.31 1545 14JUN2025 0900 518.46 434.44 1546 14JUN2025 1000 518.45 435.14 2089 14JUN2025 1100 518.44 435.09 2089 14JUN2025 1200 518.41 435.50 2595 14JUN2025 1300 518.37 435.48 2594 14JUN2025 1400 518.34 435.53 2594 14JUN2025 1500 518.30 435.52 2593 14JUN2025 1600 518.31 435.64 2593 14JUN2025 1700 518.26 435.47 2592 14JUN2025 1800 518.22 435.59 2592 14JUN2025 1900 518.18 435.53 2591 14JUN2025 2000 518.13 435.54 2590 14JUN2025 2100 518.08 435.52 2589 14JUN2025 2200 518.18 435.62 2590 14JUN2025 2300 518.25 435.65 2591 14JUN2025 2400 518.30 435.49 2592 15JUN2025 0100 518.32 435.61 2593 15JUN2025 0200 518.34 435.50 2593 15JUN2025 0300 518.35 435.63 2593 15JUN2025 0400 518.35 435.51 2594 15JUN2025 0500 518.35 435.70 2594 15JUN2025 0600 518.33 435.67 2593 15JUN2025 0700 518.32 435.62 2593 15JUN2025 0800 518.31 435.59 2593 15JUN2025 0900 518.29 435.49 2593 15JUN2025 1000 518.27 435.65 2592 15JUN2025 1100 518.24 435.58 2592 15JUN2025 1200 518.21 435.61 2591 15JUN2025 1300 518.18 435.38 2591 15JUN2025 1400 518.15 435.57 2590 15JUN2025 1500 518.11 435.46 2590 15JUN2025 1600 518.07 435.61 2589 15JUN2025 1700 518.04 435.58 2588
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