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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 a esri powered 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 09471550 SAN PEDRO RIVER NEAR TOMBSTONE, AZ


Cochise County, Arizona
Hydrologic Unit Code 15050202
Latitude  31°45'03", Longitude 110°12'02" NAD27
Drainage area 1,740  square miles
Contributing drainage area 1,740  square miles
Gage datum 3,780 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 1966-10-01 -> 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 36 36 18 14 7.2 1.6 12 268 36 75 9.8 10
2 29 29 24 14 16 1.5 15 141 45 111 9.1 10
3 20 27 26 13 8.1 1.5 11 148 54 127 8.6 12
4 18 45 32 14 6.7 4.6 11 216 42 48 8.6 12
5 16 56 49 13 6.3 6.2 7.9 184 49 25 11 11
6 27 39 42 13 6.2 2.3 17 169 95 26 16 11
7 38 34 32 12 5.9 2.4 37 154 49 20 22 11
8 48 31 27 12 5.6 1.6 37 121 80 170 26 12
9 35 27 24 12 5.3 1.3 26 153 63 440 17 12
10 26 25 22 11 5.2 1.1 67 231 83 129 14 11
11 22 23 23 11 4.8 1.1 74 230 83 42 12 11
12 20 22 24 11 4.3 0.96 61 189 69 78 11 11
13 19 23 22 10 4.2 1.1 44 260 82 61 11 12
14 18 22 22 10 4.0 0.92 36 209 76 21 11 14
15 18 22 27 10 3.8 0.73 53 185 34 13 10 20
16 17 21 25 9.9 3.6 0.64 70 152 20 9.8 10 16
17 18 21 22 9.7 3.7 0.52 133 96 19 9.7 10 15
18 134 20 20 9.6 3.9 4.4 114 119 92 12 9.9 18
19 42 20 19 9.4 3.6 1.0 112 131 235 22 9.7 178
20 29 20 20 9.1 3.4 0.66 173 99 90 31 9.5 143
21 25 20 21 8.9 3.0 0.77 76 74 48 16 9.7 90
22 26 27 19 8.8 2.9 0.95 137 57 68 17 9.7 35
23 25 29 19 8.3 2.8 0.62 111 73 24 196 10 30
24 23 24 17 8.3 2.6 10 141 73 13 130 10 34
25 27 21 17 8.2 2.5 2.0 98 89 15 28 40 20
26 40 20 16 7.9 2.3 0.73 125 94 42 17 18 19
27 47 19 16 7.8 2.2 3.4 205 92 39 13 12 18
28 41 19 15 7.7 2.5 4.3 178 75 49 12 10 124
29 30 17 15 7.6 1.9 12 177 70 86 12 10 59
30 26   15 7.4 2.0 17 184 90 28 11 10 32
31 30   14   1.9   233 64   10   24