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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 09380000 COLORADO RIVER AT LEES FERRY, AZ


    Coconino County, Arizona
    Hydrologic Unit Code 14070006
    Latitude  36°51'53", Longitude 111°35'15" NAD27
    Drainage area 111,800  square miles
    Gage datum 3,106.16 feet above NGVD29
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    00060, Discharge, cubic feet per second,
    YEAR Monthly mean in ft3/s   (Calculation Period: 1921-10-01 -> 2011-09-30)
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    1921 6,9516,9767,288
    1922 5,6757,87014,72019,46072,34086,13023,39011,4507,0674,6986,7016,449
    1923 6,0606,0957,26621,43058,69076,64037,80021,93014,76011,82010,8506,850
    1924 5,0288,7688,22027,47049,68052,54016,2004,8484,0315,7946,5504,433
    1925 4,2067,2099,78821,74034,55040,09023,36011,86017,87016,26010,2007,229
    1926 5,8226,30610,40026,51054,58057,68022,4808,6994,9526,9535,5756,131
    1927 5,4386,9469,77620,38062,82061,22039,12015,05034,18015,21012,3307,154
    1928 7,5917,99412,21016,53070,58062,23024,83010,1205,7929,8439,5275,553
    1929 5,3436,17214,95028,13066,19080,75032,61030,75027,54014,9909,3887,086
    1930 4,7948,6679,25328,65032,14051,55017,25023,7708,7448,9117,1034,669
    1931 4,2646,5666,9379,47918,79023,2607,2753,9964,5028,1185,8964,066
    1932 4,4059,65010,92027,51064,65060,79032,71015,0608,1565,4376,3424,410
    1933 4,3924,5488,0898,32323,34066,76018,1005,4846,2726,0834,9825,150
    1934 4,9795,4175,4157,62017,8308,5712,1232,0682,2332,4713,0073,697
    1935 4,1244,9065,48810,96022,79067,28023,9308,4637,1395,6385,3554,301
    1936 4,2345,4697,44322,26058,40044,51016,31014,0609,0955,6387,4205,112
    1937 3,2087,38911,35025,42056,52039,53021,4506,5096,7807,3586,3266,221
    1938 5,1626,23312,76027,07054,58078,42028,0008,15815,1209,1477,8786,514
    1939 5,5325,27913,01019,39040,50027,9806,8023,5809,2015,2585,1664,552
    1940 4,1495,1287,01411,44032,89025,0006,3712,9056,76911,1406,7435,818
    1941 5,6647,61510,87018,34080,90067,29027,10012,97010,22029,23015,1709,363
    1942 6,6157,13610,25047,80052,19070,61021,4207,3804,6265,4366,1915,809
    1943 5,3595,9848,39724,36035,10045,87023,24012,8907,5186,1397,6706,423
    1944 4,5295,9798,27917,25052,86069,50028,9806,7863,8445,5556,4455,207
    1945 5,2886,3297,10612,69045,62046,39027,13016,4506,2228,2177,4495,472
    1946 5,9515,7468,06017,03028,17033,49011,8707,7815,2046,5487,8427,230
    1947 4,5096,42210,64013,11050,76055,04031,33019,5709,81613,3109,8367,574
    1948 6,6067,95910,49028,61057,03056,12015,9308,6423,8655,3766,8505,639
    1949 5,4856,49711,49021,97050,39074,27034,7509,3655,2688,2787,9465,985
    1950 5,6897,17710,57020,45032,05050,06022,4006,8585,5465,5555,8796,751
    1951 5,1276,4926,7928,92526,76048,51022,06012,8006,9026,7027,4795,423
    1952 7,7426,5937,15238,09082,63087,26025,58013,3509,1075,9936,4956,155
    1953 6,4046,5787,4438,88917,04050,28015,45010,7504,3355,2156,9565,544
    1954 5,1806,1556,3889,18120,76013,31010,5305,2216,5348,3315,8624,529
    1955 3,9694,3809,42910,38025,53026,6609,2808,2883,8603,4754,6325,309
    1956 6,0654,8768,30615,09035,62043,5909,0545,7862,7913,0345,0454,015
    1957 4,6275,8238,10813,91041,78094,86065,30026,09013,82012,16014,2508,401
    1958 6,4579,64911,32026,45064,92061,81010,2104,6555,3685,0506,0025,956
    1959 5,1165,6775,5927,05416,66030,85012,7206,9124,1338,1658,3935,721
    1960 4,9605,53712,12027,05025,44037,63010,5203,3813,2455,5405,8054,467
    1961 4,3215,9545,8869,53118,75026,6905,9985,47511,94011,7908,8556,182
    1962 5,67014,2409,72740,18059,08048,33027,9307,6295,2938,7737,1945,410
    1963 2,7476,6413,0541,0171,0102,3601,4581,0051,0061,0001,0001,020
    1964 1,1534,0086,31512,9505,1861,001977.12,8362,6304,3675,8406,466
    1965 9,0799,2669,04520,54037,14039,05011,83014,16012,61010,7209,9048,637
    1966 7,3378,70010,11013,87015,90012,67010,69011,09010,4608,9759,8078,597
    1967 9,9919,62211,22013,24014,29011,73010,43011,26010,0206,7457,7268,980
    1968 10,3008,06613,95016,27015,33015,03013,45011,14010,67010,17010,65010,370
    1969 9,2648,29611,52014,63012,41014,71015,54015,12013,34010,24011,87013,250
    1970 11,4908,0137,90615,83014,63013,44012,50012,57011,7808,1017,54410,900
    1971 7,9937,49210,41016,99015,05015,03015,33014,25013,0409,50312,84015,240
    1972 13,1007,7276,13913,15014,67014,50014,88016,35015,64010,27011,28016,540
    1973 19,63013,75017,81028,19010,54012,62010,6709,2157,1308,2926,9315,417
    1974 13,7605,3876,3188,31113,07015,36019,95019,72013,8909,79811,9409,175
    1975 12,49010,0108,2557,71114,51016,59019,85016,61016,24010,3607,1428,459
    1976 11,25012,90010,99011,09017,01012,71012,46011,71014,15012,88015,08013,180
    1977 16,1708,4817,4552,7513,3437,82813,78019,15016,4206,1666,55413,390
    1978 15,41010,8309,4208,27310,53012,74011,41017,32016,28011,13011,28014,460
    1979 16,56013,4403,3245,7388,41410,32013,98017,30011,53010,05013,48010,370
    1980 9,82510,7009,85114,50013,75024,74025,78020,79016,49012,64015,73012,450
    1981 12,12011,5307,5247,9438,9928,85613,75014,69011,2109,8999,82713,630
    1982 14,51012,1908,27310,31010,02010,66012,96014,91010,37012,89016,38015,880
    1983 14,86015,49010,74015,99020,47055,69054,80029,82026,70025,63023,79023,440
    1984 23,39024,05023,98025,10041,45042,69035,89025,43023,82021,73024,77024,360
    1985 25,13026,74020,25020,58034,41040,21028,48026,57023,40011,70011,90010,950
    1986 16,22020,72024,81029,13044,83035,04021,64025,28027,12018,76021,07025,020
    1987 26,27020,45013,64013,43012,39016,59017,73020,84016,3508,43112,06012,940
    1988 13,37013,61011,2409,4569,0398,85111,58012,54011,5608,31510,05010,190
    1989 11,90011,6709,5539,0878,58112,39013,18014,09013,3608,9079,76310,480
    1990 11,22010,68010,4109,84210,23012,62012,87015,84011,9807,3878,3519,476
    1991 11,00010,6209,6019,33412,51013,43015,10014,45013,2808,7769,68611,070
    1992 12,76011,1109,6509,5909,50311,14013,80013,64011,4808,7129,81511,040
    1993 12,75011,5009,7219,9559,64110,31014,58015,09011,1108,66410,32012,940
    1994 13,02012,49010,07010,5209,94310,63013,90014,21010,6608,1728,44911,070
    1995 12,30011,7809,83210,65010,16016,50017,47018,26018,24014,74014,38014,730
    1996 15,85014,30018,42018,69017,02017,56016,06014,81013,82010,84010,64014,750
    1997 17,44022,30024,91021,88020,98024,96021,50020,50019,09019,46020,18020,130
    1998 19,29019,46019,22013,39014,61018,04020,10021,08017,39015,07013,78014,980
    1999 14,78014,54013,32012,22017,16016,65018,16019,13019,14017,30017,73016,510
    2000 13,15011,34010,69015,44018,7708,2888,3598,41111,29010,04013,67013,630
    2001 13,91011,76010,66010,3509,9659,87513,14013,4207,7269,87010,24013,040
    2002 13,10010,8809,94110,3409,84012,80014,92014,7708,2708,1838,0589,891
    2003 12,92013,03012,92010,18010,76014,47014,96015,0208,1488,1308,1089,978
    2004 13,06013,19013,26010,9709,77313,60014,77014,7108,1878,01612,2609,705
    2005 12,79013,14013,2908,9969,77813,37014,13014,5308,6488,6498,89513,450
    2006 13,41014,8009,98510,38010,01013,88013,99014,0309,43010,17010,49013,390
    2007 13,37011,1509,86310,1609,86213,63013,31013,31010,3709,95110,34013,250
    2008 13,23010,64013,82011,62013,13013,61014,43014,86012,40012,39010,28013,310
    2009 13,36011,03010,28010,2809,53311,26013,47013,48010,30010,31011,79015,050
    2010 15,04011,6009,94710,3309,95110,28013,39013,4308,2278,17113,89014,070
    2011 16,45017,57017,01016,18019,36023,37024,43024,41016,080
    Mean of
    monthly
    Discharge
    9,730 9,820 10,500 16,000 27,900 32,700 18,300 13,300 10,900 9,510 9,670 9,490

    ** No Incomplete data have been used for statistical calculation