Country= U.S.A. Station= VIRGELLE, MT. River= MISSOURI RIVER Area= 26002320.33 Lat= 48 Lon= -110.25 Source= USGS PointID= 6109500 Area Units= km2 Discharge Units= m3/sec Starting Year= 1943 Ending Year= 1992 Total Years= 50 Total Usable Years= 49 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1943 5675.91 4781.53 5275.18 8557.4 14172.2 14395.4 8791.06 4767.3 3047.1 2484.04 2835.95 2286.83 6422.49 1944 1972.51 2460.36 7175.16 12427.4 14653.6 11004.9 7962.56 4242.98 3981.56 3070.93 2610.36 2782.74 6195.42 1945 2094.18 3412.7 10100 16282.3 11330.5 14786.2 7458.33 4121.86 3600.51 4735.33 3057.2 2423.57 6950.22 1946 7375.21 4840.18 7969.87 7109.46 6018.73 6040.02 5547.39 4517.47 3302.05 3721.95 6965.04 3512.22 5576.63 1947 2934.55 3040.34 4822.29 14255.7 9935.61 16911.9 13196.6 3200.92 2810.37 2501.76 3052.67 2781.92 6620.39 1948 2725.01 2618.35 11048.2 9401.24 6081.76 4998.89 6991.56 4336.16 2332 2160.68 2769.31 2037.18 4791.7 1949 5116.06 7637.5 9537.35 9172.82 4847.69 7013.18 5824.17 3125.65 3376.9 4208.45 2363.43 3016.86 5436.67 1950 6819.83 5286.18 6730.31 9800.51 10954.1 8711.25 6534.83 5056.87 3721.7 3156.16 2549.85 1860.15 5931.81 1951 2383.74 5107.78 7659.29 12830.4 12158 10500.9 19166 7157.81 8947.23 5816.86 6991.47 4307.38 8585.57 1952 4586.44 6213.14 9459.71 14128.3 11433.7 6290.15 5795.85 4674.13 3007.36 2078.19 2316.61 2167.53 6012.59 1953 2015.44 3365.88 5539.17 7657.86 6412.43 5597.33 5353.74 4199.14 2546.45 2002.19 1934.9 1947.94 4047.71 1954 1589.59 1684.76 2496.19 4114.46 6053.44 6145.73 4881.58 3124.19 3013.12 4845.4 2891.54 2274.04 3592.84 1955 3269.79 3599.9 5722.77 5595.44 4466.78 4706.29 3683.95 2378.63 2123.02 3024.8 1987.76 1500.89 3505 1956 1445.35 1805.65 2442.39 4166.38 4315.15 3405.02 3501.26 3091.3 2160.96 1684.59 1679.76 1638.18 2611.33 1957 1635.81 2157.15 2981.78 6241.07 7810.01 7720.16 7033.58 3365.06 2739.76 2561.04 2679.73 2882.76 4150.66 1958 2448.05 2119.63 6029.69 4813.89 4156.66 5016.07 8926.25 7075.87 3481.76 2541.59 2678.69 1784.06 4256.02 1959 1757.21 4609.7 6564.98 7013.18 6400.56 5094.23 3856.32 3150.86 2978.19 5925.56 3602.96 2943.14 4491.41 1960 5331.82 4170.41 3866.73 15100.5 11451 8092.06 6289.11 3104.27 3255.79 2543.69 3156.97 2215.21 5714.8 1961 1769.26 2316.23 7478.43 8955.72 11290.3 5032.88 4269.75 3685.96 6688.48 5246.87 8723.52 3887.65 5778.75 1962 3756.11 7420.07 9297.11 11660 6839.93 7838.15 5379.32 3514.41 3937.01 3719.58 2703.24 1987.21 5671.01 1963 1558.99 1830.9 6112.54 4667.59 5541.91 3937.01 3034.67 2659.51 2106.5 1882.9 2046 1446.27 3068.73 1964 1353.83 1496.7 2384.2 5537.67 5287.97 5479.34 3262.58 2066.04 2972.06 2241.88 2372.4 1822.88 3023.13 1965 3364.7 3471.16 6804.3 11822.3 9693.55 7574.8 6354.88 3053.76 8459.23 6869.16 3845.45 4213.75 6293.92 1966 4292.31 5781.12 5627.77 7923.1 7881.26 6306.2 3554.33 2854.08 2377.12 2311.76 2354.84 2686.1 4495.83 1967 1964.38 3038.31 3558.99 8773.55 6140.22 9905.29 7564.29 3347.53 2634.24 3407.72 4871.47 5252.35 5038.2 1968 3068.56 5082.41 3435.67 5093.28 5460.61 5661.51 6088.15 5106.19 3260.7 4237.5 4947.92 4077.28 4626.65 1969 5318.48 7060.04 6930.36 12230.1 10388.7 7987.28 13828.7 5137.25 4280.59 6849.06 4074.82 2858.01 7245.28 1970 2217.5 3088.98 4478.65 8241.19 11033.6 9670.26 3694.73 4397.54 6106.28 6568.63 5979.61 4200.96 5806.49 1971 3229.23 5289.01 8650.38 7228.39 6061.66 6183.49 4571.83 3022.25 2668.59 2942.23 4166.37 5439.6 4954.42 1972 3391.01 2758.56 5217.64 7942.92 9224.04 5362.3 4474.09 6038.83 5834.25 5914.6 8942.51 4977.4 5839.85 1973 9151.87 8981.54 14963.2 20361.8 17698.1 11284.3 6587.81 4957.3 4362.71 10127.4 6559.16 7651.07 10223.9 1974 7921.45 9373.94 10026 8782.99 10697.4 12990 6917.57 3852.03 3460.62 2677.87 4817.95 3553.33 7089.26 1975 4531.63 6578.65 8089.53 9858.09 10674.6 7570.08 6310.12 3779.86 4551.49 3357.85 3775.6 4441.2 6126.56 1976 2819.46 3869.37 7811.84 8198.71 7977.17 4088.97 3084.36 2304.82 1869.77 2028.96 2052.32 1760.68 3988.87 1977 1418.59 2068.35 3734.28 3901.14 3611.24 3363.02 3697.74 3367.44 6208.03 6269.93 6990.52 4381.83 4084.34 1978 3160.72 2292.16 9111.5 12676.6 10590.6 6227.85 8046.59 4692.4 5333.03 3968.95 3931.34 3346.98 6114.89 1979 2230.65 3793.87 12853.2 16777.8 11698.6 6791.36 6011.43 5614.07 4999.84 2857.92 4312.68 3685.14 6802.21 1980 3109.21 3010 5118.07 8376.17 3917.79 7040.55 3184.2 3745.33 5202.78 3761.59 3107.98 3103.45 4389.76 1981 1983.47 2513.64 3455.5 5204.66 7813.67 7551.2 10122.9 7202.57 4687.41 4267.65 4532.61 3640.84 5248.01 1982 2914.46 8221.03 10482.8 10389.5 9538.26 12369.8 9319.95 5734.65 5792.71 4686.92 6667.71 14160.3 8356.51 1983 6884.69 6089.17 9630.52 16844.8 14457.2 8998.2 7686.7 4041.11 3459.49 4190 6313.75 6886.51 7956.85 1984 4099.57 6763.86 11507.7 14963.7 13955.7 12626.5 10541.2 4409.23 3505.83 4608.36 7706.94 5578.45 8355.59 1985 6537.57 6279.29 14427 10651.9 7472.95 7648.42 4263.08 4304.18 4076.7 8005.49 10770.8 8665 7758.53 1986 4506.06 6532.12 7477.52 9585.3 10837.2 8469.62 9089.76 5488.93 6482.7 16658.6 9426.73 7748.81 8525.28 1987 4288.66 4699.61 6896.56 9197.36 5974.89 5424.59 4672.31 4257.32 4304.18 2848.87 3282.6 6586.9 5202.82 1988 5118.98 5878.22 5835.13 7218 3887.83 2294.81 1955.33 1970.32 2079.79 2143.69 2700.31 2349.85 3619.36 1989 2715.33 2516.57 4113.91 5594.5 3601.74 4008.93 2616.95 2493.36 4896.76 2252.94 2062.61 1532.04 3200.47 1990 2025.12 3170.7 7254.63 5321.71 11539.6 12133.8 8431.16 6447.14 4335.33 3270.25 3039.07 4143.42 5925.99 1991 4836.73 4898.84 6085.41 9529.61 10741.3 9662.7 5359.22 3557.35 3051.16 3115.6 4565.64 5945.66 5945.77 1992 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 3606.43 4389.3 7025.95 9432.21 8656.77 7712.51 6423.87 4118.23 3967.58 4129.67 4240.18 3803.54 5625.52 Std Dev 1879 2032.13 2966.32 3804.76 3394.71 3212.07 3147.96 1286.04 1577.15 2531.64 2220.14 2310.7 1653.77