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USGS Surface-Water 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 09486520 SANTA CRUZ RIVER AT TRICO ROAD, NR MARANA, AZ.


Pima County, Arizona
Hydrologic Unit Code 15050303
Latitude  32°28'17.72", Longitude 111°18'07.08" NAD83
Drainage area 3,641  square miles
Gage datum 1,899.06 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 1989-10-01 -> 2025-09-30)

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 44 57 42 17 13 10 15 154 110 18 21 48
2 36 33 78 48 13 9.8 21 72 30 19 21 30
3 31 28 44 26 14 9.9 9 53 175 19 21 25
4 39 27 38 22 13 10 26 32 62 17 23 26
5 41 28 25 20 12 10 17 23 35 24 22 72
6 137 27 25 20 12 9.5 36 53 42 30 24 96
7 98 29 24 18 12 10 19 41 72 24 71 42
8 108 34 34 17 12 11 63 48 73 19 30 31
9 88 38 48 16 12 10 32 116 96 31 24 35
10 54 35 34 16 12 9.8 29 68 43 25 24 28
11 223 27 26 17 12 9.8 36 133 94 19 23 26
12 112 43 23 17 12 9.6 24 48 28 42 27 28
13 127 50 21 16 12 9.7 37 74 23 27 32 29
14 42 39 21 15 12 9.6 49 123 21 34 25 32
15 33 188 21 15 12 9.6 150 131 26 18 23 26
16 49 113 19 15 12 9.4 71 44 68 18 23 28
17 120 68 18 15 12 11 22 65 17 19 24 27
18 174 141 19 16 12 9.7 32 67 17 19 24 28
19 450 36 20 16 12 9.1 34 58 42 18 25 28
20 223 42 21 16 12 9.2 106 77 77 22 24 26
21 70 55 20 15 11 9 44 95 20 26 31 28
22 74 37 20 15 11 9.1 36 44 31 57 27 26
23 55 40 19 15 11 15 212 153 24 140 38 30
24 58 31 18 15 11 9.7 232 114 21 105 28 27
25 31 34 18 16 10 9.9 250 51 32 32 26 27
26 29 33 20 15 10 9.1 192 33 18 21 25 21
27 29 29 18 14 9.9 11 44 58 16 20 25 26
28 85 33 18 14 9.9 8.8 119 56 16 21 25 29
29 38 20 32 14 11 9.2 281 43 19 21 29 46
30 28   26 13 11 14 157 27 18 20 28 44
31 77   18   10   462 24   22   32