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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.

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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 09479350 GILA RIVER NEAR MARICOPA, AZ.


Pinal County, Arizona
Hydrologic Unit Code 15050100
Latitude  33°10'07", Longitude 112°00'24" NAD27
Drainage area 19,915  square miles
Gage datum 1,113.87 feet above NGVD29
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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 1994-10-01 -> 2024-09-30)

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 0. 0. 0.21 0.16 0. 0. 0. 16 0.33 0. 0.48 0.
2 0. 0. 0.15 0.09 0. 0. 0. 4.1 1.3 0.66 0.48 0.
3 0. 0. 0.09 0.14 0. 0. 0. 3.2 0.23 0.14 0.26 0.
4 0. 0. 0.12 0.07 0. 0. 0. 0.15 0.07 0.32 0. 0.
5 0. 0. 0.17 0. 0. 0. 0. 0. 0.15 0.47 0. 0.
6 0. 0. 0.19 0. 0. 0. 0. 0. 0.33 0.42 0. 0.
7 0. 0. 0.46 0. 0. 0. 0. 0. 0.77 0.24 0. 0.
8 0. 0. 0.76 0.09 0. 0. 0. 0. 2.6 0. 0. 0.
9 0. 0. 0.78 0.05 0. 0. 0. 0. 0.6 0.23 0. 0.
10 0. 0. 0.52 0. 0. 0. 0. 0.05 0.78 0.4 0. 0.
11 0. 0. 0.53 0. 0. 0. 0. 0.01 0.3 0.42 0. 0.
12 0. 0. 0.8 0. 0. 0. 0. 0.11 0.36 0.43 0. 0.
13 0. 0. 0.72 0. 0. 0. 0. 0.18 0.36 2.4 0. 0.
14 0. 0. 0.64 0. 0. 0. 0. 0.24 0.43 0.59 0. 0.
15 0. 0. 0.63 0. 0. 0. 0. 0.29 0.46 0. 0. 0.
16 0. 0. 0.65 0. 0. 0. 0. 0.54 0.22 0.25 0. 0.
17 0. 0. 0.64 0. 0. 0. 0. 0.38 0.01 0.32 0. 0.
18 0. 0. 0.6 0. 0. 0. 0. 0.33 0.18 0.45 0. 0.
19 0. 0. 0.57 0. 0. 0. 0. 0.34 0.27 0.46 0. 0.
20 0. 0. 0.52 0. 0. 0. 0. 0.36 0.39 0.41 0. 0.
21 0. 0. 0.4 0. 0. 0. 0. 0.43 0.37 0.31 0. 0.
22 0.07 0.07 0.23 0. 0. 0. 0. 0.49 0.31 0. 0. 0.
23 0. 0. 0.36 0. 0. 0. 0. 0.44 0.19 0.27 0. 0.
24 0. 0. 0.36 0. 0. 0. 0. 0.43 0.2 0.28 0. 0.
25 0. 0. 0.29 0. 0. 0. 0. 0.44 0.12 0.46 0. 0.
26 0. 0.02 0.14 0. 0. 0. 0. 0.41 0.14 0.45 0. 0.
27 0. 0.1 0.06 0. 0. 0. 0. 0.41 0.36 0.87 0. 0.
28 0. 0.13 0.13 0. 0. 0. 0. 0.29 0.28 0.27 0. 0.
29 0. 0. 0.15 0. 0. 0. 0.01 0.35 0.25 0. 0. 0.
30 0.   0.16 0. 0. 0. 0.04 0.43 0.17 0.34 0. 0.
31 0.   0.16   0.   8.3 0.39   0.48   0.