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Water-Year Summary for Site USGS 09423000

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Available Parameters
00060 Discharge(Max.,Min.,Mean)  

Water year 2020: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2020
09423000 COLORADO RIVER BELOW DAVIS DAM, AZ-NV
LOCATION - Lat 35°11'30", long 114°34'17" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 sec.01, T.32 S., R.66 E., Clark County, NV, Hydrologic Unit 15030101, Mount Diablo meridian, on right bank 0.5 mi downstream from Davis Dam, 29 mi west of Kingman, AZ, and 68 mi downstream from Hoover Dam.
DRAINAGE AREA - 173,300 mi² of which 4,000 mi² probably is noncontributing. in the Great Divide basin in southern Wyoming.
REVISIONS HISTORY - WDR AZ-86-1: 1981.
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1905 to September 1907 (published as "at Hardyville"), March 1949 to current year.
GAGE - Water-stage recorder.
REMARKS - Record is rated good. Flow regulated by Hoover Dam (Lake Mead) since February 1, 1935, and by Davis Dam (Lake Mohave) since January 17, 1950. Many diversions upstream for irrigation, industrial and municipal uses.
EXTREMES FOR PERIOD OF RECORD - 1905-1907: Maximum daily discharge, 116,000 ft³/s June 20, 1906; minimum daily, 2,850 ft³/s January 5, 1906. 1949-2002: Maximum discharge, 46,200 ft³/s July 2, 1983, elevation, 509.48 ft.; maximum elevation, 513.91 ft. April 22, 1952; no flow at Davis Dam parts of several days July to September 1950 and December 27, 1950, when gates in dam were closed; minimum daily discharge, 285 ft³/s August 3, 1950.
Water-Data Report 2020
09423000 COLORADO RIVER BELOW DAVIS DAM, AZ-NV -- Continued
DISCHARGE, CUBIC FEET PER SECOND
YEAR 2019-10-01 to 2020-09-30
DAILY VALUES
Day MaxMinMean
 October
19,7704,6307,860
29,8404,5807,010
314,8004,7508,370
419,6004,85012,100
519,8004,81012,500
619,9004,66012,600
719,9004,76012,500
815,0004,78010,200
920,1004,62010,500
1019,7004,58010,300
1119,9004,58010,300
1220,0004,83010,300
1320,0004,75010,200
1419,9004,71010,500
1520,0004,71010,600
1615,2004,7809,290
1715,2004,7609,230
1815,3004,7809,660
1915,2004,8009,660
2015,4004,81010,000
219,9409,5709,670
229,7609,5509,680
239,7609,6209,690
249,7809,5209,660
2520,7004,90011,500
2620,0004,92011,400
2720,3005,00011,300
2820,3004,85010,900
2914,8004,8709,040
3014,8004,8309,060
3114,9004,7309,070
Total509,499166,900314,600
Mean16,4405,38410,150
Max20700962012600
Min976045807010
Ac-ft1,011,000331,000624,100
Day MaxMinMean
November
115,0004,93011,200
215,1004,75011,200
315,2004,71010,800
415,2004,78010,900
59,7604,8107,310
69,7604,8707,190
79,7004,8307,220
814,9004,7808,080
914,9004,9009,100
1014,9004,9309,100
1114,7004,7808,790
1214,9004,7308,780
1315,0004,8508,770
1414,8004,9509,320
1515,0004,9009,400
1615,0004,9509,370
1715,2004,8808,900
1814,6004,8708,770
1914,8004,8008,750
2011,0004,3708,260
2112,1004,5307,850
229,8404,7805,970
239,4904,7806,240
249,3904,7606,240
259,6204,6206,250
269,1604,4505,760
275,1204,7804,980
285,1104,8504,960
299,3904,4705,610
309,3604,4505,590
 -- 
Total368,000142,800240,700
Mean12,2704,7618,022
Max15200495011200
Min511043704960
Ac-ft729,900283,300477,300
Day MaxMinMean
December
14,8504,7504,810
24,8704,4204,690
34,6304,4404,550
44,5502,6903,420
52,8002,6802,770
62,8702,7202,770
72,8802,7202,790
82,8102,7402,790
94,8302,7804,700
109,7004,6605,580
114,8102,6503,980
124,7804,6604,720
134,8504,7004,730
144,8304,5504,760
154,8704,5204,710
164,8704,6204,720
174,8104,5804,710
184,9204,5804,710
194,9204,5004,580
204,6204,5004,550
214,6204,5004,550
224,5704,5204,540
239,0104,5505,140
244,6204,3704,520
258,8804,2205,110
264,6004,4904,520
274,5304,5004,520
284,5704,4704,520
294,5804,4504,520
304,5504,4704,510
314,5304,4504,490
Total152,100127,500136,000
Mean4,9074,1114,386
Max970047505580
Min280026502770
Ac-ft301,700252,800269,700
Day MaxMinMean
January
14,5304,4404,490
24,5304,4404,480
34,5804,4204,490
44,5204,4704,490
54,5004,4404,470
69,1804,4705,430
79,6004,8005,840
89,6004,7605,830
99,6504,7606,390
109,5704,6605,800
119,5204,6605,990
129,5204,6805,780
139,4904,6805,760
149,5504,6805,760
159,5704,6806,330
169,3904,7106,340
179,3904,5006,330
189,5204,4206,690
199,4404,6606,080
209,4404,6506,270
219,4704,6606,190
229,4404,5306,210
239,4404,5506,520
249,4404,7506,980
259,4704,7307,330
269,4704,6807,700
2714,2004,7308,120
2814,1004,6209,110
299,4704,6606,880
3014,2004,6309,160
3114,1004,6009,070
Total287,900143,100196,300
Mean9,2874,6176,333
Max1420048009160
Min450044204470
Ac-ft571,000283,900389,400
Day MaxMinMean
February
114,0004,5809,070
214,0004,6609,090
314,0004,5309,030
414,0004,5308,950
514,1004,4508,120
614,3004,5207,940
713,9004,5708,980
813,8004,6608,990
913,8004,6208,570
1013,9004,5708,350
119,2304,6207,570
129,1102,9606,190
139,1604,1305,910
149,4904,5006,920
159,3104,5706,900
169,3104,5006,920
1714,2004,5008,430
1813,7004,5509,950
1913,6004,5308,520
2013,8004,5508,880
2113,9004,5208,500
2218,4004,5709,360
2318,5004,5709,960
2413,5004,57011,100
2513,5008,51011,200
2613,8004,52011,100
2713,6008,81012,700
2813,5008,63013,000
2913,9008,66013,000
 -- 
 -- 
Total383,300146,500263,200
Mean13,2205,0509,076
Max18500881013000
Min911029605910
Ac-ft760,300290,500522,100
Day MaxMinMean
March
113,9008,63012,000
213,9008,61011,900
313,80013,30013,500
413,5008,54011,300
513,6008,35012,000
613,7008,53012,200
713,6008,33012,000
813,6005,04011,000
913,8004,4109,520
1013,5004,3409,700
1113,7004,4108,860
128,6704,2805,550
138,6503,4504,760
148,7602,4804,910
154,4102,5003,620
168,6902,3703,830
178,5002,3303,830
188,5802,3204,450
198,8602,3304,150
208,4302,3203,780
218,7404,2805,420
228,7204,2505,430
238,7004,2505,730
2413,4004,2008,910
2513,3004,2309,440
2614,9004,28010,200
2718,6008,51012,600
2818,7008,56014,000
2919,6008,47015,300
3018,90010,90015,800
3119,0008,76015,300
Total386,700177,600281,000
Mean12,4705,7289,064
Max196001330015800
Min441023203620
Ac-ft767,000352,200557,300
Day MaxMinMean
April
119,2008,60014,600
219,00013,60015,700
318,90013,80015,500
423,4008,64016,300
523,4008,96016,600
619,1008,94015,700
719,0008,73013,600
818,9008,66012,600
919,1008,79011,800
1018,9008,56012,300
1114,2008,64011,400
1214,2004,50010,300
1319,1004,26011,300
1423,4004,20012,700
1523,3004,31011,200
1619,2008,54013,000
1719,2008,64012,800
1823,8008,59016,000
1923,90013,90018,400
2024,10014,20019,900
2124,1008,95016,400
2219,5008,85013,500
2319,5008,85015,000
2419,60014,20017,100
2524,00014,20017,400
2619,80014,50018,100
2724,3009,14016,800
2824,50014,40019,700
2924,60014,50019,800
3024,60014,30018,500
 -- 
Total627,800298,900454,000
Mean20,9309,96515,129
Max246001450019900
Min14200420010300
Ac-ft1,245,000593,000900,500
Day MaxMinMean
May
124,80014,50019,900
224,70014,50019,800
320,10014,60016,100
424,70014,40017,100
524,30014,40017,800
624,30014,30018,600
724,20014,30018,400
824,00014,20016,900
924,10014,30017,100
1024,00014,20017,100
1124,00014,30017,500
1224,2004,57017,000
1323,8009,03017,200
1423,90014,20017,600
1523,7004,62017,000
1623,70014,10017,300
1724,10014,00017,300
1823,60014,20016,500
1923,70013,90016,400
2023,60013,80016,500
2123,50013,90017,000
2223,50014,00016,900
2323,40013,70017,400
2423,40013,50017,300
2523,40013,70017,300
2623,4008,89016,100
2723,30013,60017,400
2823,10013,80017,100
2923,20013,70017,400
3023,10013,60018,200
3123,00013,00017,100
Total733,800405,800538,300
Mean23,67013,08917,360
Max248001460019900
Min20100457016100
Ac-ft1,455,000804,9001,068,000
Day MaxMinMean
June
123,20012,20017,400
223,10013,50017,800
322,80013,20016,000
423,20013,30016,000
523,00013,50016,000
623,1008,95016,700
723,1008,83016,600
823,1008,83016,500
923,2008,98016,000
1023,1008,95015,900
1123,2008,88015,100
1223,2008,93015,000
1323,6008,95016,600
1423,6008,83016,600
1523,4008,98016,900
1623,2004,70014,100
1718,9008,81013,600
1823,2008,91015,900
1923,3008,91016,100
2023,9008,93016,200
2118,8008,91015,000
2218,80013,60015,700
2318,60013,60015,000
2418,6008,98014,900
2523,5009,10015,400
2623,8008,65015,400
2718,8009,12015,000
2818,7008,72014,900
2918,6009,17015,000
3018,7009,10015,000
 -- 
Total657,300294,000472,300
Mean21,9109,80115,740
Max239001360017800
Min18600470013600
Ac-ft1,303,999583,200936,800
Day MaxMinMean
July
124,4009,22015,600
223,2009,32015,700
318,7008,79016,200
418,7008,88016,100
523,4008,79016,100
618,7008,74013,800
718,7008,65013,800
818,6008,72013,700
918,6008,88013,700
1018,6008,86014,100
1118,7008,81014,500
1218,7008,83014,600
1318,6008,83014,500
1418,3008,76014,600
1518,4008,74014,600
1618,4008,83014,600
1718,8008,93014,700
1818,8008,41014,600
1918,8009,27014,800
2018,9009,27014,700
2118,9009,24014,600
2218,9009,32014,700
2323,9009,22014,700
2418,9009,29014,600
2519,1009,07014,700
2618,8009,22014,700
2719,0009,15014,100
2818,9009,22013,700
2918,9009,17013,800
3023,6009,27014,500
3118,9009,37014,300
Total605,800279,100453,400
Mean19,5409,00214,630
Max24400937016200
Min18300841013700
Ac-ft1,202,000553,500899,300
Day MaxMinMean
August
118,6009,37013,700
218,6008,86013,600
318,6008,76013,600
423,4004,83013,700
523,6009,25014,800
624,0009,13015,600
723,5009,34015,700
823,4009,34015,400
919,2009,35014,300
1019,2009,33014,700
1123,0004,83014,000
1221,5004,78013,500
1320,4004,76013,400
1423,9004,75013,500
1523,7004,83013,500
1619,2004,80013,600
1725,1004,75014,400
1825,7004,80014,800
1925,6004,75014,600
2023,8004,87013,400
2123,6004,76012,600
2223,7004,22012,600
2323,6004,10012,600
2424,2004,16013,700
2524,1004,14013,500
2623,9004,33012,600
2714,6002,7205,960
2824,0004,65015,700
2924,6009,36017,300
3024,1009,32017,500
3119,5004,70012,700
Total693,900191,900430,600
Mean22,3806,19213,890
Max25700937017500
Min1460027205960
Ac-ft1,376,000380,700854,000
Day MaxMinMean
September
124,4004,76012,600
219,6004,63012,800
324,3004,57015,000
424,7004,76014,900
525,9004,81014,900
625,9004,70016,200
726,0004,97016,200
820,0004,76013,200
922,4004,65013,300
1014,5002,7004,300
1120,00010,20016,300
1220,0009,44016,900
1320,10014,40017,800
1420,1009,55014,500
1520,3009,60014,500
1620,3009,84014,900
1720,3009,81014,700
1820,4009,81014,700
1920,8009,84014,700
2020,5009,86014,700
2120,5009,89014,700
2220,4009,92015,800
2318,2007,53013,300
2420,8008,96012,700
2520,5004,88013,100
2620,8004,95013,800
2726,1004,85015,100
2820,90010,00014,900
2920,7005,11013,500
3023,60010,00016,700
 -- 
Total643,000223,800430,700
Mean21,4307,45814,360
Max261001440017800
Min1450027004300
Ac-ft1,275,000443,800854,300
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1905 - 2020, BY WATER YEAR (WY)
Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep
Mean 11,190 9,763 9,335 9,816 11,570 15,010 17,480 17,080 19,570 18,270 15,620 13,530
Max 37,170 28,799 26,410 30,390 30,420 28,830 31,720 64,449 95,310 75,280 40,560 39,590
(WY) (1984) (1984) (1985) (1984) (1984) (1984) (1907) (1906) (1906) (1907) (1983) (1983)
Min 5,158 4,201 2,939 2,562 1,758 5,595 10,970 11,850 12,790 13,210 11,430 6,973
(WY) (1973) (1983) (1966) (1993) (1993) (1993) (1965) (1951) (1982) (2012) (2014) (1905)
Water-Data Report 2020
09423000 COLORADO RIVER BELOW DAVIS DAM, AZ-NV -- Continued
SUMMARY STATISTICS
Water Year 2020 Water Years 1905 - 2020
Annual total 4,211,000                   
Annual mean 11,510          13,740         
Highest annual mean           30,870          1984
Lowest annual mean           9,809          1993
Highest daily mean 19,900          Apr 20 116,000          Jun 20, 1906
Lowest daily mean 2,770          Dec 05 285.0        Aug 03, 1950
Annual 7-day minimum 3,397          Dec 02 1,390          Feb 22, 2005
Maximum peak flow           46,200a         Jul 02, 1983
Maximum peak stage           513.91b      Apr 22, 1952
Annual runoff (cfsm) 0.066      0.081     
Annual runoff (inches) 0.904      1.10      
10 percent exceeds 17,000          19,900         
50 percent exceeds 12,600          13,500         
90 percent exceeds 4,720          6,850         
a Discharge affected by Regulation or Diversion
b Gage height at different site and(or) datum
USGS Water-data graph for site USGS 09423000