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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 09421500 COLORADO RV BLW HOOVER DAM, AZ-NV


Clark County, Nevada
Hydrologic Unit Code 15010005
Latitude  36°00'55", Longitude 114°44'16" NAD27
Drainage area 171,700  square miles
Gage datum 675.49 feet above NGVD29
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00060, Discharge, cubic feet per second,
YEAR Monthly mean in ft3/s   (Calculation Period: 1934-04-01 -> 2011-09-30)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1934 7,39218,06010,6102,7832,6313,3123,1093,5194,444
1935 5,3063,8207,0457,2979,22216,53011,47010,1809,9899,8349,6164,876
1936 4,8415,6599,1029,8819,09810,26011,3209,9619,3417,3786,0565,128
1937 4,7595,6198,3639,3148,8989,87210,88010,8009,3508,2316,9466,530
1938 6,3476,5097,5679,7309,01510,48011,06010,3409,34812,59012,5206,482
1939 12,54023,09010,15010,5709,74510,63011,25011,67010,22011,00011,95011,420
1940 11,0908,08010,32010,4609,3569,78610,95010,99011,68012,95013,04012,940
1941 9,5839,0058,9778,70823,34030,41015,46023,24026,49026,68030,53033,670
1942 32,70027,91023,18021,87021,85026,23020,90013,77017,22018,91018,40018,810
1943 18,04014,82015,78015,38016,74017,48018,04016,95017,51019,17019,81020,770
1944 21,18022,07021,26019,67019,77018,44018,07019,69019,02019,93019,93019,500
1945 20,15019,80020,33017,52017,37017,05014,00014,39014,61017,56017,51017,270
1946 18,15018,86016,33014,66014,68013,73013,62012,21012,75013,93012,81013,980
1947 16,00015,95015,54014,43015,47015,44015,05014,07014,17013,47014,79017,290
1948 19,02019,78018,70020,20018,57018,08018,79015,74016,49014,91017,28018,280
1949 19,71021,86021,00019,80016,69016,57016,59017,27019,17019,13017,17020,130
1950 20,77020,38020,26018,31018,22016,13015,97014,18013,84013,79013,70013,830
1951 15,09013,62013,98013,39014,61011,61012,74014,74014,25012,29013,74013,480
1952 17,39021,08022,30023,27024,92024,06021,20021,26022,85021,00020,41021,750
1953 19,95018,79017,02016,32016,22013,77014,58015,74016,26013,04012,58013,230
1954 13,59012,99014,81016,38017,90015,62016,70014,44015,68012,62011,36012,050
1955 11,79012,69014,73014,83015,08011,42013,77012,83010,4408,5558,1908,008
1956 9,4838,66912,51014,12012,17013,18012,72011,31010,2607,9639,3127,436
1957 8,6948,46212,01014,96012,50013,92012,79012,78013,19011,33016,10017,580
1958 20,25015,22023,34024,76018,14013,76014,55014,82013,31011,84012,53014,200
1959 12,93011,66013,46015,40015,44012,77013,80014,53012,99011,26010,2009,303
1960 10,2208,89811,55015,27013,92017,05016,00015,60013,5409,0478,2189,296
1961 9,60510,39015,22015,20015,34014,14013,36012,02011,6008,7708,6847,911
1962 7,8338,95112,98015,15014,42013,43013,40013,94012,03010,32010,3009,857
1963 7,84310,35014,17014,53014,82012,83014,77013,93012,1708,5777,7999,515
1964 10,29010,13013,01014,44013,73012,08014,09011,89010,4609,5397,4817,631
1965 7,9588,96812,78011,74014,18013,20013,25013,29011,0108,6937,0206,888
1966 4,1077,92012,76014,21014,43013,17014,45013,65011,2907,5947,9517,285
1967 8,12910,34013,77012,96014,46013,13013,53012,2808,3079,3659,3525,783
1968 6,4378,61513,82014,84013,87012,64012,31011,27011,1507,9087,6768,987
1969 8,9279,93413,41015,03013,57012,66012,56011,27010,3908,5047,1547,374
1970 9,7999,64412,25015,44015,07013,11012,89011,0008,5209,4877,5558,084
1971 9,12011,94013,98015,35014,00012,45012,03012,06010,4708,1757,6028,235
1972 9,23211,06014,71014,74014,08013,37012,50012,30010,6608,4136,6736,166
1973 9,4509,9689,93214,53016,44011,48013,39013,93011,0809,1048,8489,290
1974 7,09810,60014,05015,99015,61014,79013,78015,41011,9909,9808,4686,915
1975 8,38111,11012,18014,64015,75013,56013,50013,09011,2208,9288,1658,146
1976 8,2758,61514,79014,78015,11012,04013,70014,54010,2305,7125,1157,920
1977 4,07310,95013,89016,60012,37012,10014,52014,2507,8866,9687,7739,152
1978 3,8207,72812,04015,15013,98010,99013,51014,51011,5708,1656,3075,983
1979 3,5405,24610,05011,82016,43014,54013,95014,24011,8108,6259,1248,218
1980 7,6684,65515,12018,98020,50017,76019,35019,42014,77016,05014,06014,400
1981 10,0609,65113,25017,07013,94014,03014,05014,88011,1306,1706,5206,460
1982 7,5289,87412,88017,52013,71010,67011,96012,4306,6196,3846,3767,542
1983 19,1306,56610,30017,81019,77031,70041,87039,39036,75034,25029,41027,520
1984 30,71030,68028,79026,29030,70034,89035,53030,98027,25025,82025,94026,310
1985 28,49028,49022,80022,36023,35027,98028,22027,39021,52016,82018,41019,710
1986 26,32018,81026,25023,65033,33029,08026,51023,19022,71019,17017,76023,120
1987 26,37020,51018,49016,27016,10014,34013,75016,62014,86011,1609,21310,390
1988 13,49012,92013,45016,75014,31015,34014,52016,50011,9208,5448,6119,369
1989 8,2429,52414,47016,39018,28016,24014,66014,16010,90010,2309,8878,703
1990 8,8548,42515,40015,48015,50016,23017,39016,58010,4308,9668,25410,620
1991 8,0409,77512,56013,18016,10016,27016,45015,00013,14010,9608,9747,779
1992 4,9007,3879,96412,12015,14014,74015,36014,6109,9728,3287,6788,738
1993 4,6261,1065,47413,15017,25013,84015,12011,5808,67610,7908,97112,050
1994 9,95810,48016,31018,52016,85013,99013,52014,5809,6879,08012,2709,622
1995 5,5978,19014,63016,74014,20014,52013,12015,57011,3809,9595,61211,790
1996 9,67513,32016,47021,90019,47017,83015,72014,21010,6708,1277,5379,985
1997 14,37019,29019,08019,33020,12016,97017,36017,85015,3608,51011,35014,410
1998 19,98021,22019,64018,85018,46016,58018,23015,18016,30011,72015,99019,890
1999 13,84013,19016,44018,29019,44017,73015,59014,66011,96013,95015,57012,140
2000 12,21012,93016,84020,66020,12016,20016,28015,0609,6979,57313,06014,020
2001 11,20013,87015,85019,15016,74018,15016,28014,44011,7308,38611,21012,320
2002 11,42014,12018,65018,69019,03017,40016,38015,37011,1608,53610,50011,880
2003 10,60010,94015,57019,12016,54015,43015,69012,1009,8248,75410,71010,140
2004 10,30014,01015,38017,63018,29016,71015,49012,4209,5425,9328,42910,440
2005 5,4866,1486,94817,19016,40015,11015,85012,93010,47010,41011,3408,611
2006 9,67010,99013,50016,64017,43017,41015,73013,31010,6409,1678,81810,090
2007 10,39011,65015,78018,37016,68016,10015,44013,07011,0209,2729,6677,751
2008 10,93011,45017,01019,30018,06015,96014,14013,17010,7308,26811,3507,371
2009 12,05012,23016,86019,74015,90012,60013,66013,0309,6489,96510,89010,500
2010 10,3107,21514,46015,69015,63016,92015,31013,48012,74010,37013,45010,740
2011 8,77711,42016,37018,12016,30015,79016,29013,52011,260
Mean of
monthly
Discharge
12,000 12,500 14,900 16,200 16,400 15,700 15,500 14,800 12,900 11,400 11,500 11,800

** No Incomplete data have been used for statistical calculation

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Title: Surface Water data for USA: USGS Surface-Water Monthly Statistics
URL: http://nwis.waterdata.usgs.gov/nwis/monthly?

Page Contact Information: Nevada Water Data Support Team
Page Last Modified: 2014-07-25 02:44:00 EDT
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