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USGS Surface-Water Daily Statistics for the Nation

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 08181480 Leon Ck at IH 35, San Antonio, TX


Bexar County, Texas
Hydrologic Unit Code 12100302
Latitude  29°19'47", Longitude  98°35'02" NAD27
Drainage area 219  square miles
Contributing drainage area 219  square miles
Gage datum 573.49 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 1984-10-01 -> 2021-09-30)

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 9.5 12 14 12 94 69 93 7.7 28 8.4 39 9.4
2 10 24 13 16 58 90 577 10 11 11 29 10
3 12 36 12 17 21 73 273 14 11 9.5 88 43
4 15 180 80 16 32 187 379 7.9 90 39 24 21
5 10 47 37 69 59 98 273 8.6 49 22 26 19
6 13 24 18 25 145 58 303 7.2 44 18 32 11
7 12 18 17 18 27 78 71 33 42 9.9 14 12
8 10 16 14 22 37 32 39 12 167 56 15 18
9 16 14 16 9.9 19 47 30 6.6 179 100 24 15
10 16 15 13 11 17 79 52 6.5 75 34 14 12
11 13 15 14 13 33 187 25 5.3 46 24 9.2 9.9
12 12 15 39 12 16 141 15 6.4 29 21 9.5 10
13 10 12 35 13 27 94 11 9.1 19 31 8.6 14
14 11 13 61 14 50 52 9.5 6.9 23 14 12 10
15 25 13 26 15 99 47 37 7 26 17 25 15
16 26 11 38 14 43 32 93 103 49 13 122 11
17 16 9.3 32 108 24 38 37 275 61 208 84 11
18 27 17 14 51 35 46 29 21 26 546 41 11
19 11 11 12 30 45 44 16 35 15 54 20 50
20 9.6 31 24 15 65 30 14 25 17 44 24 105
21 9.4 16 15 9.9 40 37 112 20 17 19 14 177
22 12 19 11 9.4 107 251 42 22 55 43 129 133
23 10 19 11 30 38 177 17 44 27 108 53 36
24 12 25 9.4 46 72 44 44 19 13 151 30 21
25 13 19 9.2 49 346 41 60 17 12 103 18 15
26 26 25 9.8 29 53 28 26 7.9 39 36 13 14
27 48 17 11 13 126 18 25 7.3 17 21 12 14
28 19 14 44 18 48 86 14 6.6 14 14 21 16
29 21 13 27 59 64 128 12 9.4 19 10 15 12
30 13   16 29 68 77 11 9.9 12 86 10 15
31 15   24   77   8.8 74   33   12