Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Surface-Water Daily Statistics for Texas

Click to hide state-specific text

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
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 96 27 12 59 40 38 23
2 20 47 27 13 49 99 27 16 43 48 34 22
3 18 34 24 13 104 126 110 14 66 404 36 21
4 28 34 28 17 102 90 34 17 42 511 35 21
5 33 34 25 36 57 164 34 39 88 51 32 22
6 21 30 23 38 31 182 273 23 121 37 24 23
7 22 27 21 19 37 95 379 26 94 29 22 35
8 21 45 21 32 76 66 188 13 104 23 22 30
9 23 50 48 14 529 56 115 15 76 41 21 16
10 21 19 21 13 374 73 30 14 37 75 23 19
11 20 18 22 34 437 59 23 14 23 31 25 67
12 24 16 18 22 256 56 21 38 25 27 43 25
13 25 15 19 54 275 54 18 37 21 367 27 28
14 27 16 18 50 147 26 21 17 22 266 43 31
15 27 24 17 50 284 24 32 19 810 49 32 39
16 23 27 16 43 148 72 33 16 169 64 25 21
17 22 21 16 43 91 82 18 24 1,400 59 23 25
18 29 25 24 27 310 98 123 35 203 69 16 29
19 33 22 24 168 167 29 54 36 70 67 24 33
20 18 23 22 52 47 22 100 69 33 70 22 28
21 20 34 31 26 156 23 90 31 44 80 19 23
22 22 35 19 27 47 22 67 12 132 90 24 31
23 51 45 18 59 57 24 376 248 46 111 37 21
24 27 34 17 333 90 57 147 85 27 95 32 23
25 29 33 23 60 141 20 72 59 72 41 27 20
26 29 26 76 136 76 38 31 28 1,010 19 23 19
27 25 26 35 362 128 50 19 32 707 20 22 19
28 23 28 32 215 43 63 16 24 157 32 23 26
29 23 18 25 146 122 189 13 17 73 28 25 67
30 22   18 99 60 43 14 15 143 46 23 25
31 23   16   108   11 28   52   29