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USGS Daily Statistics for Arizona

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Welcome to the NWIS-Web for the Arizona Water Science Center


The majority of USGS Gaging Stations are funded though a cooperative program between the USGS other interested agencies.
Follow this link for information on the Cooperative Water Program with the USGS.

Arizona Water Science Center Home Page
Colorado Basin River Forecast Center (CBRFC) - provided by the National Weather Service, AHPS. CBRFC on an interactive map.
Threatened and Endangered USGS Gaging Stations in Arizona

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°51'51.60", Longitude 111°35'16.34" NAD83
Drainage area 111,800  square miles
Gage datum 3,083 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1921-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 8,710 10,100 10,000 12,100 19,600 31,200 24,800 14,200 11,600 9,550 9,660 9,910
2 9,840 10,100 10,100 12,300 19,600 31,600 24,200 14,000 11,200 9,580 9,750 10,000
3 10,400 10,000 10,200 12,000 20,000 31,800 23,300 14,000 10,900 9,300 9,790 9,950
4 10,500 9,850 10,200 11,900 20,700 31,500 21,700 13,800 10,900 9,080 9,790 10,100
5 10,500 9,930 10,200 12,100 21,100 31,800 21,700 13,800 11,100 9,330 9,940 10,200
6 10,300 9,830 10,200 12,400 22,100 31,800 21,500 14,000 11,000 9,640 10,100 10,300
7 10,100 9,880 9,980 12,800 22,800 31,800 21,100 14,200 11,000 9,540 10,100 10,200
8 10,200 9,830 10,100 13,200 23,600 31,600 20,500 14,100 11,100 9,370 10,100 10,200
9 10,100 10,000 9,910 13,300 24,000 31,600 19,900 14,000 11,000 9,280 9,950 10,200
10 10,000 10,100 9,820 13,700 24,500 31,700 19,500 14,000 11,100 9,420 10,100 10,300
11 10,100 9,950 9,970 14,300 25,000 31,800 19,000 13,700 11,200 9,390 10,300 10,400
12 10,000 9,970 9,980 14,500 25,100 31,900 18,500 13,700 10,900 9,330 10,300 10,300
13 9,970 9,870 10,200 14,500 25,300 32,000 18,100 13,900 11,200 9,710 10,400 10,300
14 9,860 10,000 10,300 14,700 25,800 31,800 17,800 13,500 11,200 9,950 10,400 10,100
15 9,910 9,990 10,300 14,600 25,800 31,500 17,400 13,400 11,000 10,300 10,100 10,100
16 9,930 10,200 10,200 14,800 26,100 31,400 17,100 13,300 10,900 10,300 9,790 10,000
17 10,100 10,000 10,300 15,000 26,600 31,400 16,700 13,200 10,600 10,000 9,680 9,970
18 10,500 9,920 10,200 15,400 27,000 31,000 16,300 13,100 10,500 9,610 9,730 10,000
19 10,400 9,910 10,300 15,900 27,100 30,600 16,000 13,100 10,300 9,220 9,990 10,000
20 10,400 10,100 10,400 16,200 27,200 29,900 15,700 13,100 10,800 9,370 10,400 9,990
21 10,200 10,200 10,400 16,600 27,500 29,400 15,600 12,900 10,700 9,420 10,500 9,960
22 10,200 10,200 10,600 16,800 27,800 29,300 15,300 12,800 10,700 9,730 10,200 9,780
23 10,000 10,200 10,900 17,500 28,300 29,100 15,100 13,000 10,600 9,900 9,800 9,630
24 10,200 10,200 10,900 18,200 28,800 28,700 14,800 12,900 10,600 9,750 9,670 9,240
25 10,100 10,200 11,000 19,100 29,100 28,100 14,600 12,700 10,800 9,610 9,420 7,950
26 10,100 10,200 11,300 19,500 29,300 27,500 14,500 12,500 10,600 9,330 9,260 8,890
27 10,200 10,100 11,600 19,500 29,300 26,700 14,100 12,500 10,700 9,340 9,400 9,530
28 10,100 10,200 11,800 19,500 29,500 25,900 14,100 12,500 10,600 9,330 9,060 9,650
29 10,200 9,700 12,100 19,600 30,000 25,500 14,300 12,600 10,400 9,210 9,180 9,710
30 10,200   12,100 19,500 30,200 25,000 14,500 12,500 10,400 9,430 9,250 9,810
31 10,200   12,100   30,600   14,500 12,300   9,570   9,430