Country= U.S.A. Station= PASCO WASH River= COLUMBIA R Area= 269344.03 Lat= 46.22 Lon= -119.09 Source= USGS PointID= 12514000 Area Units= km2 Discharge Units= m3/sec Starting Year= 1939 Ending Year= 1993 Total Years= 55 Total Usable Years= 54 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1939 804.02 743.42 751.13 1755.94 5716.38 6006.98 4918.02 2862.39 1771.32 1306.51 1327.03 1162.37 2427.13 1940 875.63 832.91 1063.9 2006.73 4523.14 6109.87 4119.67 2524.41 2018.44 1612.15 1246.14 856.91 2315.82 1941 818.09 809.36 1021.15 1801.81 3560.54 4703.45 3582.56 2469.88 2140.48 1945.56 1583.11 1844.26 2190.02 1942 1411.56 1113.67 998.31 1523.55 3918.89 7125.5 5961.18 3237.73 1689.86 1290.8 1033.48 949.35 2521.16 1943 879.01 966.72 836.81 2934.3 4591.01 7119.84 7199.82 3446.54 1690.15 1313 1050.18 900.12 2743.96 1944 791.78 688.01 649.65 950.51 2689.57 5067.8 3259.56 2517.2 1726.77 1392.47 1127.77 869.33 1810.87 1945 828.87 858.41 892.99 1003.37 3480.89 7020.73 4950.91 2542.59 1527.61 1085.91 1001.1 898.29 2174.31 1946 920.58 909.99 1148.03 2042.32 6533.92 9155.83 6131.09 3213.8 1924.71 1214.89 995.53 1192.79 2948.62 1947 1093.04 1194.17 1436.68 2233.27 6955.93 8414.87 5719.12 2908.16 1790.77 2347.3 1912.72 1203.56 3100.8 1948 1150.49 1039.43 1062.89 1619.26 5843.35 13518.5 5916.43 3482.99 2123.02 1423.98 1129.85 934.46 3270.39 1949 898.2 846.27 955.47 1886.38 6511.08 6765.88 3540.54 2411.88 1577.07 1145.56 1093.41 1230.42 2405.18 1950 999.41 1107.7 1415.76 1728.28 3910.4 9641 9506.29 3727.8 2074.69 1621.65 1681.65 1597.08 3250.98 1951 1724.69 1868.32 1501.35 2210.9 6680.98 7814.55 7254.63 3514.05 1937.92 1942.82 1418.12 1254.9 3260.27 1952 1097.51 1128.29 1100.25 2023.91 6346.66 6929.17 5157.35 2729.58 1567.82 1395.39 1362.43 939.12 2648.12 1953 913.18 1094.55 1059.33 1130.98 4088.7 8235.53 6223.35 3077.24 2113.96 1857.69 1690.43 1286.14 2730.92 1954 1013.47 1004.14 1375.75 1520.15 5360.5 9397.47 9589.42 4571.83 2868.7 1702.13 1754.05 1518.89 3473.04 1955 1202.47 1164.23 1096.87 1546.77 2840.38 8169.45 8506.06 3730.99 2019.95 1689.98 1755.28 1451.2 2931.14 1956 1340.12 1223.39 1407.26 3140.54 6810.69 10786.9 6172.19 3202.47 1924.05 1689.98 1486.36 1219.37 3366.94 1957 1042.8 1061.99 1176.34 1503.73 7307.89 7872.13 4075.82 2389.59 1655.79 1547.02 1403.01 1136.52 2681.05 1958 876.82 942.05 1350.45 1636.34 5487.38 8003.33 4227.45 2490.16 1743.95 1589.04 1445.3 1305.96 2591.52 1959 1481.89 1441.74 1282.76 2216.09 5287.06 9502.24 7472.95 3604.75 3058.52 2763.37 2329.36 1707.97 3512.39 1960 1209.32 1229.64 1527.57 3293.17 4554.65 7081.14 6442.57 3271.89 1831.83 1621.65 1629.55 1019.59 2892.71 1961 995.11 1509.9 1690.34 2283.48 5460.43 11862.9 5100.71 2871.89 1700.91 1621.19 1479.09 1065.27 3136.77 1962 1074.58 1328.57 1268.24 2280.56 4553.56 7140.6 5448.74 3425.26 1758.3 1589.5 1599.63 1559.81 2752.28 1963 1324.14 1621.65 1526.65 2113.77 3819.23 7425.66 5530.95 3152.78 1943.49 1559.99 1389.04 1040.97 2704.03 1964 1141.36 1043.53 1257.91 1519.3 3922.27 9929.83 7599.92 3666.78 2029.57 2150.27 1755.56 1263.21 3106.63 1965 1313.09 1538.32 1838.41 2420.25 5388.45 8352.57 5989.5 3915.05 2055.25 1705.41 1662.21 1345.15 3126.97 1966 1178.17 1180.52 1362.14 2429.13 4835.08 7767.35 6261.71 3267.14 2143.41 1813.66 1580.94 1340.95 2930.02 1967 1272.07 1534.68 1370.54 1450.11 3916.24 10947.3 7759.77 3550.59 2229.96 2102.58 1642.76 1605.76 3281.86 1968 1162.55 1297.21 1436.59 1813.7 3795.57 7794.73 6237.05 3384.7 2420.54 1989.04 1816.72 1620.83 2897.44 1969 1686.41 1653 1729.53 3546.42 6034.26 6967.87 5207.59 3044.81 2094.33 2146.61 2322.56 2352.23 3232.14 1970 2075.82 1118.22 1269.42 1261.99 3456.14 5191.45 3635.63 2822.02 2063.65 2001.83 1940.94 1873.58 2392.56 1971 1769.08 1830.19 1692.72 2131.89 6258.06 7733.37 5202.11 3662.3 1868.54 1875.77 2220.81 2468.15 3226.08 1972 2198.04 1600.3 2334.42 2772.9 5038.51 9612.68 6026.95 4041.38 2372.59 2279.06 2163.32 2669.74 3592.49 1973 2261.25 1777.7 1349.81 1610.67 2368.03 2826.79 3494.87 3111.67 2479.53 2248.46 1675.23 1133.78 2194.82 1974 1843.71 2209.03 2171.73 2617.62 4836.73 6561.99 5219.46 3625.31 2830.66 2544.78 2657.93 2558.76 3306.48 1975 2605.71 2713.27 2133.46 2129.91 3044.63 4740.27 3155.98 2737.25 1749.9 2018.45 2556.36 2682.72 2688.99 1976 2906.06 2738.74 2475.45 2567.97 4905.24 4207.91 4674.13 5078.79 3341.31 2931.81 2424.6 2647.46 3408.29 1977 2586.9 1987.15 1914.5 1734.42 2725.56 2842.84 2541.04 2459.93 2148.98 1785.8 2230.25 1560.36 2209.81 1978 1781.05 1918.78 2004.84 2273.29 3557.89 3643.45 3512.22 2579.59 2866.15 2656.96 2485.57 2764.29 2670.34 1979 3333 2157.55 1720.67 1796.71 3535.33 3088.63 2619.32 2727.57 2043.35 2107.24 2121.79 2968.17 2518.28 1980 2115.1 1958.07 1494.86 1826.92 3573.42 3729.35 2936.47 2515.37 1705.25 1870.66 2166.53 3010.19 2408.52 1981 3499.43 3403.5 2302.08 1645.6 3711.72 5817.26 4881.48 3869.11 2232.7 2193.47 2157 2548.8 3188.51 1982 3117.34 2354.86 3011.1 3268.73 4501.49 5163.13 4728.94 3414.39 2298.4 2042.84 2209.48 2254.95 3197.14 1983 2999.78 3185.66 3138.16 2658.59 3731.45 3907.75 3615.81 3229.42 2061.57 1973.15 2170.12 2803.47 2956.24 1984 2863.03 3109.21 2259.06 1588.39 2966.53 3541.14 2791.05 3035.22 2003.81 2090.34 1857.22 2713.96 2568.25 1985 3576.16 2999.78 1981.09 1855.33 2892.26 3310.92 2505.87 2086.87 1808.04 2258.87 2589.31 2938.21 2566.89 1986 2904.96 2375.19 2303.63 2513.61 3059.15 3507.63 3450.11 2816.54 2136.23 2098.47 2478.87 2608.63 2687.75 1987 3398.04 2413.72 1666.68 1934.33 3129.3 2958.37 2724 2431.24 2331.15 2525.33 2214.2 2422.93 2512.44 1988 2876.46 2491.41 1602.19 2314.63 2488.88 2815.84 2147.71 2512.36 2497.65 2288.84 2316.71 2630.47 2415.26 1989 2999.41 2488.86 1406.9 2194.57 3287.15 3364.15 2196.85 2228.82 2018.53 2324.19 2400.62 2758.62 2472.39 1990 3036.04 3309.04 2995.85 2846.8 3023.16 5162.19 4026.49 2915.37 2017.3 2119.21 2737.22 3400.14 3132.4 1991 3982.65 3451.94 3052.48 3158.38 4555.38 5053.64 3862.07 3767.99 2375.89 2664.99 2571.84 2473.81 3414.25 1992 3086.37 1985.22 1885.36 1751.12 3356.39 4462.76 2561.14 2569.45 1834.09 2083.49 2063.84 2663.62 2525.24 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 1821.03 1695.43 1606.62 2074.43 4420.88 6590.27 4955.05 3119.35 2078.49 1910.39 1835.45 1819.03 2827.2 Std Dev 927.53 768.2 590.66 585.99 1304.31 2542.71 1817.49 593.48 378.16 422.8 488.64 740.17 411.84