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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 08136000 Concho Rv at San Angelo, TX


Tom Green County, Texas
Hydrologic Unit Code 12090105
Latitude  31°27'16", Longitude 100°24'37" NAD27
Drainage area 5,542  square miles
Contributing drainage area 4,411  square miles
Gage datum 1,777.10 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 1930-10-01 -> 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 23 35 31 14 55 95 27 12 59 40 38 23
2 20 47 27 13 49 99 26 16 43 48 34 22
3 18 34 24 13 104 124 109 14 66 404 36 21
4 28 34 28 17 101 89 34 17 42 511 35 21
5 33 34 25 36 57 162 33 39 88 51 32 22
6 21 30 23 38 31 180 270 23 121 37 24 23
7 22 27 21 19 37 94 375 26 94 29 22 35
8 21 45 21 32 75 65 186 13 104 23 22 30
9 23 50 48 14 523 55 114 15 76 41 21 16
10 21 19 21 13 370 73 29 14 37 75 23 19
11 20 18 22 34 432 58 23 14 23 31 25 67
12 24 16 18 22 254 56 21 38 25 27 43 25
13 25 15 19 53 272 54 18 37 21 367 27 28
14 27 16 18 50 146 26 21 17 22 266 43 31
15 27 24 17 49 281 24 32 19 810 49 32 39
16 23 27 16 43 147 72 33 16 169 64 25 21
17 22 21 16 43 91 81 18 24 1,400 59 23 25
18 29 25 24 27 306 97 122 35 203 69 16 29
19 33 22 24 166 166 29 53 36 70 67 24 33
20 18 23 22 52 46 22 99 69 33 70 22 28
21 20 34 30 26 154 23 90 31 44 80 19 23
22 22 35 19 27 47 22 67 12 132 90 24 31
23 51 45 18 58 58 24 373 248 46 111 37 21
24 27 34 17 330 90 56 145 85 27 95 32 23
25 29 33 23 59 140 20 72 59 72 41 27 20
26 29 26 75 134 77 38 31 28 1,010 19 23 19
27 25 26 34 359 127 49 19 32 707 20 22 19
28 23 28 31 213 43 62 16 24 157 32 23 26
29 23 18 25 145 121 187 13 17 73 28 25 67
30 22   18 98 59 43 14 15 143 46 23 25
31 23   16   107   11 28   52   29