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  • USGS Surface-Water Monthly Statistics for the Nation

    The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

    USGS 11319500 MOKELUMNE R NR MOKELUMNE HILL CA


    Calaveras County, California
    Hydrologic Unit Code 18040012
    Latitude  38°18'46", Longitude 120°43'09" NAD27
    Drainage area 544  square miles
    Gage datum 584.88 feet above NGVD29
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    00060, Discharge, cubic feet per second,
    YEAR Monthly mean in ft3/s   (Calculation Period: 1927-10-01 -> 2012-09-30)
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    1927 175.0495.3285.2
    1928 357.1495.62,8862,2402,706470.6106.5113.9118.969.670.0104.5
    1929 98.7216.4450.51,0162,244999.6125.884.771.354.325.3233.4
    1930 289.2526.91,0351,8951,8181,219114.477.567.785.1118.370.1
    1931 99.4250.9216.3394.5294.7282.3478.7477.4269.5173.8153.5310.2
    1932 432.8974.4786.81,0422,7202,958678.8523.3537.5525.2288.9211.7
    1933 217.2183.0413.0582.2963.81,872584.5547.4540.2536.5307.1444.8
    1934 523.1586.6643.4419.0303.5311.5361.5285.5278.5271.0323.0401.8
    1935 506.9607.9560.92,2412,4412,228522.5487.2497.7505.8348.3242.9
    1936 690.12,1031,1732,5703,1272,265549.3498.0513.4499.0405.9272.8
    1937 238.41,0621,0221,3723,2201,810541.2481.0479.5485.7378.21,097
    1938 609.41,6232,7113,5414,1763,479859.2536.4500.1540.4573.7566.6
    1939 416.8268.7483.3814.8570.0340.4281.5279.6288.3320.2337.9490.5
    1940 983.61,4682,1272,4913,2361,488563.9494.9498.1425.6245.8507.3
    1941 815.01,3771,5431,1733,2822,306685.2530.2501.8523.2522.7697.4
    1942 1,4011,9231,0731,8673,1293,069988.1564.4520.8514.6713.9764.0
    1943 1,5021,1662,7042,8252,7381,880564.0525.1517.4536.5519.7290.6
    1944 367.0383.7653.8845.51,383978.3498.0497.9491.6500.0697.3756.3
    1945 611.61,692781.71,3992,3292,183641.5551.7510.3537.3599.31,724
    1946 1,275623.8895.11,3662,4061,328537.0479.7489.2516.5459.1525.2
    1947 358.2491.8630.7699.0744.1509.1493.1480.7481.8523.5494.3355.5
    1948 509.2355.4365.91,0691,9112,758477.7516.5507.6527.1504.0449.7
    1949 257.9209.1730.11,7811,5131,225482.4493.9485.3495.0397.8220.6
    1950 597.4974.81,0251,6922,7602,409523.4499.3502.8544.93,2754,375
    1951 1,7971,6501,6531,5351,937929.4523.7487.6490.0482.3611.41,039
    1952 1,4001,3821,4973,2475,0923,7941,410667.7586.3585.3633.7722.9
    1953 974.9721.3715.41,0291,2202,074877.7590.0620.6669.8645.5604.1
    1954 607.8667.0907.01,2171,425696.9508.9548.0599.9603.1672.8547.8
    1955 470.5471.2588.2485.3775.0877.7527.7539.7529.8531.2552.72,644
    1956 2,9031,7071,5411,6253,1113,292818.4582.4560.4635.4710.3722.0
    1957 579.4726.2779.6691.71,5052,157530.2492.5524.6629.0714.4690.9
    1958 765.61,4271,5142,3843,2563,599987.1708.3583.6631.0627.1535.5
    1959 627.7789.5643.9386.1413.0489.5500.5500.8497.7512.3495.1508.6
    1960 325.2580.1489.8507.8924.4887.5481.2496.5494.6490.9491.5504.5
    1961 368.6262.4272.1296.7343.0488.0484.4473.5492.6490.2306.1295.5
    1962 324.9970.2810.01,4521,1112,191620.0584.8558.6639.0619.6600.2
    1963 742.41,482736.21,7453,4822,332664.0611.8595.3604.1686.4697.2
    1964 751.5632.0537.8519.4517.0552.2576.9553.7563.4579.3704.13,283
    1965 2,6231,5461,1891,8422,1912,702913.4718.0923.9895.7943.6741.5
    1966 653.8407.4673.3850.8735.9439.2520.2525.1589.2524.2661.31,154
    1967 1,092971.11,5511,8252,6304,1912,074636.6627.1626.0654.2636.7
    1968 622.1783.6726.1616.0468.7616.0482.5493.6524.2513.1656.4708.9
    1969 2,6251,8511,5692,4864,5803,6841,143787.5761.1768.5648.6874.6
    1970 2,6251,5061,6061,1191,8611,999717.8550.7548.2572.4861.71,191
    1971 1,0391,0861,2401,2101,0642,145946.5858.1671.4698.4538.4656.7
    1972 578.2498.8913.0805.5623.51,177596.9530.9546.0588.9646.4729.9
    1973 1,2271,4041,2691,2792,2211,696736.8537.7559.3607.9901.81,210
    1974 1,4591,1231,8981,9062,2642,347994.3896.9731.8567.1502.4521.2
    1975 448.0658.11,2081,2211,7562,9791,083888.5872.3730.9687.4622.2
    1976 448.5223.6253.3272.0286.4268.1263.1275.6275.3187.1194.2137.8
    1977 171.3100.4114.6220.8289.7261.7264.8257.3285.58.9737.9375.5
    1978 1,1671,1751,5701,9051,8333,1961,081847.6670.6587.8564.3503.7
    1979 791.1878.11,3171,4411,9171,531624.4568.6523.2551.3641.7775.5
    1980 2,7162,6671,8471,4542,1532,8571,264579.6563.2562.5549.3607.7
    1981 671.5616.6554.1684.3505.8524.1541.4449.6492.3558.3745.71,348
    1982 1,7752,9882,5384,1144,6623,0431,266879.3707.5761.11,3931,976
    1983 1,9302,7103,9502,3493,4146,2433,3841,117949.1898.31,9422,910
    1984 1,8541,5251,5591,3362,3501,823932.2788.6573.5622.1767.8691.9
    1985 388.6626.9824.61,031514.9493.6490.0542.4556.4590.5653.9634.3
    1986 851.04,7883,1222,0933,1452,221723.9606.0607.8602.6619.5528.3
    1987 406.0311.1402.0362.7273.1355.0523.0507.3463.7230.6217.0285.3
    1988 346.8242.4265.3307.7366.9446.7452.2376.4337.2217.2210.0209.9
    1989 208.6255.0982.91,3511,7181,171556.5502.7549.6376.2603.8562.6
    1990 530.2399.8529.4392.8524.0565.4520.9464.5469.8512.5143.3186.4
    1991 65.5132.5357.3427.4484.2725.1533.3468.3482.5526.9560.1499.6
    1992 366.4498.1635.2395.9331.2291.1482.5467.9322.6308.7244.0387.7
    1993 1,2261,3171,9501,7332,8622,965847.4856.9571.9640.9524.4512.2
    1994 324.2280.7289.4276.7345.8471.9369.1410.8541.6528.5228.5521.1
    1995 1,7761,3073,3072,7474,0615,0702,951805.7774.8807.4554.6584.2
    1996 712.61,9752,1021,9893,6901,892719.0699.5561.5522.8879.92,286
    1997 5,6592,0121,5291,5822,3911,350617.9647.6598.0629.8685.1442.0
    1998 1,0042,2142,0582,0682,6114,7372,175929.9816.9675.4690.9789.5
    1999 1,1122,1451,4641,4491,9872,578945.1648.0606.6555.7651.0547.3
    2000 812.91,4191,5151,1242,0681,373811.3680.8533.3547.8598.7553.1
    2001 308.2313.1600.2890.9703.0519.7535.5497.4450.3399.5325.9593.2
    2002 867.4644.41,1231,093853.71,009494.9491.0482.9504.2559.3652.4
    2003 918.9879.8770.5993.01,7052,057560.3513.6564.7565.1526.7756.3
    2004 833.0856.71,267781.2442.5778.9504.9531.5499.7271.9543.5726.5
    2005 1,3551,3972,0032,0422,9312,8331,172776.9668.9517.9615.41,694
    2006 1,7771,4242,5854,8964,7593,1841,122843.3513.0544.5609.8733.2
    2007 523.4629.9745.7475.2561.2461.1509.5493.4489.6335.0540.6401.3
    2008 478.6525.9748.5477.9648.8585.3384.7458.5338.3499.1538.0463.0
    2009 678.1683.31,2921,1672,591959.9637.8555.9418.2427.6469.9555.5
    2010 738.4758.0958.51,3661,8952,225781.8455.2341.8624.3648.12,093
    2011 1,6681,4072,9022,8822,8254,1092,361558.4402.8586.6591.2578.5
    2012 635.7252.1631.7978.11,310615.3479.7444.9439.3
    Mean of
    monthly
    Discharge
    928 1,030 1,200 1,400 1,900 1,790 756 556 520 510 580 776

    ** No Incomplete data have been used for statistical calculation