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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°37'33.39", Longitude 110°10'30.37" NAD83
Drainage area 1,234.00  square miles
Contributing drainage area 1,234.00  square miles
Gage datum 3,956.76 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 1903-10-01 -> 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 28 33 22 16 9.9 5.1 37 267 79 50 13 21
2 23 26 33 15 12 10 37 217 70 45 12 18
3 23 22 30 15 9.6 13 54 246 74 54 12 22
4 22 29 26 15 9.2 6.8 38 236 52 27 12 19
5 23 27 28 14 8.9 6.9 36 261 74 19 13 18
6 28 22 25 14 8.6 5.4 74 288 80 19 13 38
7 29 23 24 14 8.4 5 67 251 68 16 17 25
8 28 25 24 13 8.5 5.3 41 252 74 81 15 19
9 28 23 22 13 8.3 4.9 48 383 70 190 14 18
10 25 22 24 13 8.2 5.4 72 266 93 71 13 21
11 31 22 23 13 8.9 4.9 76 202 98 36 14 27
12 36 22 22 13 8.5 4.8 62 226 104 55 22 21
13 26 29 22 13 8 5.4 67 212 72 40 15 18
14 29 28 23 13 7.8 4.8 119 318 63 22 15 19
15 34 26 23 12 7.6 7.1 116 223 39 17 15 18
16 27 38 21 12 7.4 4.4 107 255 36 16 15 17
17 25 31 26 12 7.6 4.9 137 173 41 21 25 18
18 98 25 22 12 7.4 5.7 165 201 84 17 16 25
19 108 25 22 11 7.1 6.1 119 185 116 20 15 118
20 44 25 21 11 6.5 5.3 154 189 59 21 14 92
21 33 23 20 11 6.4 9.5 110 187 32 15 14 75
22 30 26 19 11 6.3 14 168 126 44 16 17 53
23 27 23 18 11 6.3 15 141 127 44 93 19 55
24 25 21 18 11 6.1 20 197 162 37 48 18 51
25 27 20 17 11 6.2 18 170 131 46 17 31 48
26 30 22 17 11 6 6.8 177 117 58 15 22 47
27 29 21 16 10 6 7.8 240 104 296 14 16 48
28 42 20 18 11 7.6 8.2 215 104 235 14 38 103
29 28 18 16 10 5.7 45 239 98 55 14 48 59
30 31   17 10 5.6 32 348 94 24 16 40 50
31 50   16   5.4   250 67   14   49