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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 09471000 SAN PEDRO RIVER AT CHARLESTON, AZ.


Cochise County, Arizona
Hydrologic Unit Code 15050202
Latitude  31°37'33", Longitude 110°10'26" NAD27
Drainage area 1,234.00  square miles
Contributing drainage area 1,234.00  square miles
Gage datum 3,954.01 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 1903-10-01 -> 2021-09-30)

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 28 34 23 16 10 5.2 38 271 80 51 13 21
2 23 26 34 16 12 11 38 222 71 47 12 18
3 23 22 30 15 9.7 13 55 250 76 55 12 22
4 23 29 27 15 9.3 6.9 39 229 53 27 12 19
5 24 27 28 14 9 7.1 36 267 75 19 13 18
6 29 22 26 14 8.7 5.5 76 295 81 19 13 38
7 29 24 24 14 8.6 5.1 69 257 69 16 17 25
8 29 26 25 14 8.6 5.4 42 251 74 81 16 19
9 28 23 23 13 8.5 5 49 363 71 194 14 18
10 26 22 25 13 8.4 5.5 73 267 96 72 14 21
11 31 22 23 13 9.1 5 78 197 100 36 14 27
12 36 22 23 13 8.6 4.9 63 214 105 56 22 21
13 26 30 23 13 8.1 5.6 68 213 74 41 15 19
14 29 29 23 13 7.9 4.9 122 308 64 22 15 19
15 34 27 23 13 7.7 7.2 119 216 39 18 15 18
16 27 39 22 12 7.5 4.5 109 253 37 16 15 18
17 25 31 26 12 7.7 5 139 166 42 22 25 19
18 100 26 22 12 7.5 5.8 169 192 86 17 16 25
19 110 25 22 12 7.2 6.3 120 184 119 20 15 120
20 44 25 22 11 6.6 5.4 154 190 61 21 14 94
21 33 24 20 11 6.5 9.7 109 190 32 15 14 77
22 30 26 19 11 6.4 14 171 121 45 16 17 54
23 27 23 19 11 6.4 16 142 125 45 94 20 56
24 25 21 18 11 6.2 20 202 147 37 49 18 52
25 27 20 17 11 6.3 19 169 108 47 18 32 49
26 31 22 17 12 6.1 7 178 117 60 15 22 48
27 29 21 16 10 6.1 7.9 241 104 304 14 17 49
28 43 20 18 11 7.7 8.4 216 104 242 14 38 105
29 28 18 16 10 5.8 46 243 99 56 14 49 60
30 31   17 10 5.7 33 357 96 24 16 41 51
31 51   16   5.5   255 68   15   50