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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 -> 2019-09-30)

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 39 276 80 52 14 16
2 23 26 34 16 12 11 38 224 73 47 12 16
3 23 22 30 15 9.7 14 56 255 77 56 13 21
4 23 29 27 15 9.3 7.0 39 233 54 28 12 19
5 24 28 28 14 9.0 7.1 37 272 76 20 13 17
6 29 22 26 14 8.7 5.6 77 301 83 20 13 38
7 30 24 24 14 8.6 5.1 70 262 70 16 17 25
8 29 26 25 14 8.6 5.5 43 256 76 82 16 19
9 29 23 23 13 8.5 5.0 50 370 72 197 14 18
10 26 22 25 13 8.4 5.5 75 272 98 73 14 21
11 31 22 23 13 9.1 5.0 79 201 102 37 14 26
12 37 22 23 13 8.6 4.9 64 218 107 57 22 21
13 27 30 23 13 8.1 5.6 69 217 75 41 15 18
14 29 29 22 13 7.9 4.9 125 314 65 22 15 19
15 35 27 23 13 7.7 7.0 121 220 40 18 15 18
16 27 39 21 12 7.6 4.5 111 257 38 16 15 18
17 26 32 26 12 7.7 5.0 141 169 43 22 25 19
18 102 26 22 12 7.5 5.8 172 195 88 17 16 25
19 112 25 21 11 7.3 6.3 122 187 121 20 15 122
20 45 25 21 11 6.6 5.5 157 193 62 22 14 95
21 34 24 20 11 6.5 9.8 111 194 33 15 14 78
22 30 26 19 11 6.4 14 174 124 46 16 17 55
23 27 23 18 11 6.4 16 144 127 46 96 20 56
24 26 21 18 11 6.2 20 206 145 34 50 18 52
25 28 20 17 11 6.3 19 173 109 43 18 32 50
26 31 22 17 12 6.2 7.1 181 119 58 15 23 49
27 29 21 16 10 6.2 7.9 246 106 310 14 16 49
28 44 20 18 11 7.7 8.4 220 105 246 15 16 107
29 28 18 16 10 5.8 46 247 101 57 15 19 60
30 32   17 10 5.7 33 362 97 25 17 17 51
31 52   16   5.5   260 69   15   50