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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 09379500 SAN JUAN RIVER NEAR BLUFF, UT


San Juan County, Utah
Hydrologic Unit Code 14080205
Latitude  37°08'49", Longitude 109°51'51" NAD27
Drainage area 23,000  square miles
Gage datum 4,048.00 feet above NGVD29
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00060, Discharge, cubic feet per second,
YEAR Monthly mean in ft3/s   (Calculation Period: 1914-11-01 -> 2012-10-31)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1914 1,5781,018
1915 1,0142,3282,2308,0379,26910,0906,4851,6631,050940.9667.3636.5
1916 1,3071,4026,2097,5739,33810,5205,1617,1262,589
1917 1,3715,9159,10813,9808,4752,8781,868
1927 6,09211,02010,0706,5581,99111,8703,1792,092971.1
1928 971.71,4732,1592,6106,8295,1811,436895.5712.61,384754.2
1929 612.8875.12,4605,6529,5158,5793,8919,3357,3792,2011,067672.3
1930 476.41,2621,2474,4384,4005,7182,5974,022434.7556.9553.6409.9
1931 335.5905.2615.51,3273,3883,3341,163853.71,2902,5461,135740.5
1932 571.63,6043,3547,91010,4109,2684,1573,4901,629802.5635.9432.7
1933 470.5866.41,1911,0932,7597,3782,158647.32,2141,613619.4665.6
1934 566.5576.3694.91,8292,456576.9264.4460.3615.2353.8344.7437.7
1935 652.6897.91,2414,2646,07312,7804,8512,0692,2661,115692.1520.0
1936 590.3871.72,2365,3056,9053,212664.22,5302,3091,0801,208781.6
1937 402.82,5303,1399,01810,9605,5722,661624.7795.71,453613.3597.1
1938 592.1849.53,0476,4157,89911,4803,772802.93,3771,746967.8769.8
1939 699.8615.22,3133,2085,0982,694268.880.42,040630.3615.2476.0
1940 638.0867.51,2072,1054,6962,121527.2693.01,9252,3721,1191,323
1941 1,2652,2813,4366,59421,52015,3808,5542,8273,39810,6503,2101,699
1942 1,3191,2192,05110,1207,7918,9612,445825.3638.9606.4652.0702.4
1943 704.5884.61,5454,9315,3924,2651,7251,4811,047948.6983.1831.2
1944 607.5850.71,2323,42510,41011,8404,604992.01,1141,224866.3695.2
1945 664.71,1301,1683,3007,4196,3352,0771,558361.41,008777.0491.1
1946 601.1647.0762.61,5912,0353,4271,0301,224742.1894.21,012741.8
1947 500.1813.9835.51,1435,3504,6381,7834,7732,0903,3621,2961,064
1948 851.71,3701,4566,0238,44210,1302,3901,393596.81,219923.8670.3
1949 1,0241,3312,4795,6878,18412,5705,5551,466694.3912.1750.4562.1
1950 670.5878.0915.02,2822,7543,2111,112237.1701.7487.6415.7527.9
1951 483.4527.5547.6573.22,3013,169489.6803.1753.9572.6652.1580.8
1952 1,431701.91,4137,60410,04012,9303,8731,354947.9610.8683.7705.8
1953 686.5640.3904.31,8022,5414,4941,2481,154200.3876.0923.1560.5
1954 525.5646.1780.41,8953,5432,0151,9471,0711,5001,552659.4563.4
1955 499.6609.21,0241,0503,0303,4981,0532,317463.2399.6519.5576.3
1956 658.3591.31,2121,7923,9183,418510.0578.564.5205.4495.7408.5
1957 610.91,1571,1502,8755,31713,2209,2125,9132,3922,4432,3751,427
1958 860.32,1352,5916,94312,0808,5251,201689.61,031766.0724.8585.9
1959 494.7559.8525.7649.01,7982,613299.51,042182.41,4941,378754.0
1960 596.8754.24,2275,6494,6306,4251,491299.5285.4942.8665.0644.4
1961 561.7735.01,0742,6364,6413,815702.71,4231,8381,5921,210709.7
1962 581.31,6851,1885,2895,6304,9861,423381.3443.81,690763.6538.7
1963 409.7704.1647.01,0821,549784.9236.0788.61,169660.6791.2786.3
1964 713.3518.8463.4499.61,6662,0331,8462,142934.5594.1709.1979.3
1965 1,9762,1581,3882,7734,6857,0444,8013,5412,9733,0983,8993,821
1966 3,2202,3253,2404,2434,3372,132871.2711.0714.21,5311,1741,168
1967 949.01,1561,291518.71,2631,498639.22,4511,570500.0633.2635.7
1968 579.3932.2811.41,3962,4014,0441,3302,866691.9915.0820.7733.7
1969 1,3472,3582,3313,6284,4033,9973,2921,6451,9763,3821,9851,775
1970 1,2202,3351,886823.32,2772,3261,2031,0665,1732,3052,2942,428
1971 2,6722,5941,6431,1581,4022,0701,0711,753865.21,619994.91,793
1972 1,9391,9041,9431,0861,3191,985277.8497.7946.75,5141,6111,629
1973 1,7743,2102,8854,3787,8987,7906,4783,6073,2732,1562,2562,288
1974 2,1631,6611,6821,0961,7201,161638.4405.8420.01,2191,183900.5
1975 956.9908.21,8172,6704,7916,6705,8772,3962,1711,7361,7211,879
1976 1,5741,4161,279883.22,9053,029846.7778.41,102831.8798.01,333
1977 1,360989.3683.3398.8339.3556.1940.21,318562.4633.5857.9789.8
1978 939.41,0941,6451,8482,5263,4201,021250.4496.2665.81,3131,238
1979 1,5152,3923,6729,63710,33010,3306,7182,312662.31,024897.82,044
1980 2,4203,3623,5954,7826,0116,3482,0041,2321,7841,3711,7471,600
1981 1,8901,373986.5654.0980.11,8251,789860.61,4311,8521,075986.2
1982 1,0581,1441,4692,2033,5804,2872,2543,2362,6901,6471,5681,979
1983 2,3402,4593,9054,9855,3515,9734,2542,3391,1751,8791,3871,645
1984 2,1142,7742,7742,9015,5163,6712,1362,3261,8082,2452,1002,412
1985 2,3863,0313,6806,4838,2118,7003,2611,4812,4341,9723,2003,384
1986 3,3742,7162,5594,0324,2945,9386,1593,1903,6673,3124,4353,768
1987 3,3293,6834,7236,8787,2969,0264,9451,7231,0451,1382,2031,215
1988 1,1591,5361,4821,7691,8212,5521,0331,8161,5201,0311,1531,166
1989 1,1191,3741,7271,7681,6301,289770.51,134476.8916.0904.7849.8
1990 746.9828.6797.7626.31,5851,963917.1909.71,1511,6251,1711,007
1991 1,0511,5521,1771,6813,3512,470805.1648.51,470715.01,4761,185
1992 859.01,4751,2033,2906,2674,5821,6211,0181,219883.81,011993.7
1993 2,0492,2725,7316,3586,8287,1231,7841,1921,4561,0521,1581,064
1994 1,045843.71,079926.74,6726,0441,958528.4976.51,1431,1211,031
1995 1,0051,1832,9653,2925,7438,7344,1501,5791,3491,1221,1791,063
1996 737.8796.8737.5597.51,9702,869796.7475.4859.51,518980.0767.8
1997 830.6813.02,5482,6715,6197,9862,3542,4932,7561,5631,2101,210
1998 1,3441,4021,3801,7145,5334,1901,5671,158698.81,8171,7451,051
1999 957.9942.6862.71,0863,0925,6132,7975,7214,7071,261910.6884.8
2000 879.3842.3977.81,7632,3252,175405.2663.5779.31,202993.7838.9
2001 811.6879.61,1181,3694,4484,694825.81,417622.8800.4802.1813.8
2002 796.8699.1665.1527.6634.6478.8380.2441.01,878759.7770.7679.5
2003 583.8589.6737.6551.11,3951,320512.6693.22,321804.9702.7523.8
2004 490.4515.7946.01,7712,2251,579538.6387.41,3051,070952.4771.3
2005 1,4031,7851,3203,2107,3766,0331,5951,086930.91,5641,032796.5
2006 740.1637.3664.3950.32,1742,9821,1431,4911,1843,1931,151941.9
2007 930.81,2511,4051,4084,9632,8691,1121,7811,4421,2891,1121,370
2008 1,5103,1224,6743,8524,3836,4681,645826.1966.6777.9914.7898.2
2009 876.3845.6911.01,0314,1243,077864.0588.4613.7605.0809.3841.7
2010 1,006993.21,1681,4241,7671,799888.01,6891,1841,037807.1829.5
2011 804.1808.5796.4766.01,1604,5761,553693.01,0511,004787.2744.6
2012 707.2709.9887.61,2162,350897.2883.3787.3797.8636.6
Mean of
monthly
Discharge
1,090 1,380 1,800 3,180 4,980 5,320 2,330 1,690 1,590 1,490 1,190 1,070

** No Incomplete data have been used for statistical calculation