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USGS Daily Statistics for Texas

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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 08131400 Pecan Ck nr San Angelo, TX


Tom Green County, Texas
Hydrologic Unit Code 12090102
Latitude  31°18'32", Longitude 100°26'44" NAD27
Drainage area 81.1  square miles
Contributing drainage area 81.1  square miles
Gage datum 1,930.99 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 1960-10-01 -> 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 1.8 1.1 0.74 0.73 0.84 0.82 0.57 0.7 0.08 0.37 1.5 1.1
2 1.3 0.97 0.76 0.74 0.85 0.86 0.59 0.18 0.1 0.33 1.4 1.1
3 1.3 0.95 0.79 0.71 1.1 2 1.1 0.1 1.8 0.33 1.4 1.1
4 1.3 0.94 0.87 0.7 1.2 1.3 0.51 0.14 2.1 0.34 1.5 1.1
5 1.2 0.93 0.87 0.71 0.91 0.79 0.98 0.63 0.33 0.32 1.3 1.1
6 1.1 0.9 0.98 0.83 0.81 0.67 0.38 0.33 0.15 0.3 1.3 1.1
7 1.1 0.88 0.77 0.74 0.71 0.6 0.31 0.07 1.3 0.32 1.3 1.3
8 1.1 0.94 0.71 0.79 1 1.2 0.26 0.04 79 0.37 1.3 1.8
9 1 0.93 0.69 0.64 0.8 0.6 0.24 0.56 24 2 1.3 1.4
10 1.1 0.9 0.72 0.6 5.4 0.47 0.26 0.31 4.1 1.3 1.2 1.3
11 1.1 0.87 1.7 0.56 3.8 0.47 0.53 0.29 0.34 0.63 1.2 1.3
12 1.2 0.84 1.7 0.56 0.86 0.5 1.7 0.59 0.57 0.44 1.2 1.2
13 1.1 0.81 0.94 0.7 2.1 0.42 0.72 0.09 0.23 4.4 1.1 1.3
14 1 0.78 0.79 0.67 2.2 0.4 0.23 0.05 0.37 0.59 1.1 1.4
15 1 0.74 0.76 10 0.73 1 0.17 0.2 3.5 0.85 1.2 1.2
16 1.1 0.7 0.72 5.2 0.82 0.43 0.16 0.06 9.9 0.45 1.3 1.2
17 1.1 0.74 0.77 2.4 0.72 0.51 0.14 3 0.57 20 4 1.2
18 1.1 0.69 1.1 1 0.7 0.46 0.16 13 0.8 14 1.3 1.2
19 1.1 0.7 0.89 0.82 0.67 0.42 0.15 0.89 0.39 3.9 1.2 1.2
20 1 0.77 0.87 0.79 0.76 0.46 0.12 0.19 0.34 1.5 1.2 1.2
21 1 0.7 0.85 0.82 0.88 1.5 0.11 0.13 1.5 0.7 1.2 1.2
22 0.98 0.76 0.83 0.9 1.4 4.9 0.1 9.1 0.3 1 1.4 1.2
23 1 1.1 0.81 1.1 0.92 0.46 0.11 1.1 0.27 0.81 2 1.2
24 1 1 0.75 1.2 6.2 0.37 0.16 0.09 12 11 1.2 1.2
25 1 0.92 0.68 1.1 38 1.9 0.14 0.08 0.79 3.8 1.2 1.2
26 1 0.86 0.69 0.85 4.2 0.38 0.13 0.08 1.2 1.1 1.2 1.3
27 1 0.79 0.75 0.82 14 0.84 0.12 0.08 8.1 1 1.2 1.3
28 1 0.76 0.71 0.83 0.81 0.48 2.2 42 5.6 4.8 1.1 1.2
29 0.98 0.3 0.71 0.85 2.1 1.2 0.15 2.3 1.2 2.8 1.1 1.2
30 0.95   0.7 0.88 2.3 0.74 0.13 0.2 0.55 1.6 1.1 1.2
31 0.94   0.68   0.74   0.12 0.07   4.5   5.9