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USGS 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 9.6 13 15 12 36 68 96 7.8 28 8.4 40 9.5
2 10 24 13 16 32 91 593 8.2 11 11 30 10
3 12 37 12 17 18 72 281 11 11 9.5 90 44
4 15 185 82 17 29 187 389 7.4 90 39 25 22
5 10 48 38 71 60 99 281 6.4 49 22 27 20
6 13 25 19 26 148 57 101 6 44 18 33 12
7 12 19 18 18 27 79 46 33 42 9.9 14 12
8 10 16 14 22 38 33 36 12 167 56 15 18
9 16 14 16 10 18 48 23 6.6 179 100 24 15
10 16 15 14 12 17 80 35 6.5 75 34 14 12
11 13 14 15 14 33 192 18 5.3 46 24 9.5 10
12 12 15 40 12 14 145 13 6.4 29 21 9.7 10
13 10 12 36 13 27 97 9.6 9.3 19 31 8.8 14
14 11 13 62 14 50 54 8.7 6.9 23 14 13 10
15 26 13 27 15 101 49 37 7.1 26 17 26 15
16 26 11 39 14 44 32 95 106 49 13 126 12
17 17 9.2 33 111 24 39 37 282 61 208 87 11
18 28 17 14 52 36 47 29 22 26 546 42 11
19 11 11 12 31 46 45 16 36 15 54 21 51
20 9.8 31 24 15 67 31 14 25 17 44 24 108
21 9.5 16 15 10 41 38 114 21 17 19 14 182
22 13 20 11 9.6 109 257 40 23 55 43 132 137
23 10 20 10 31 39 182 16 45 27 111 55 37
24 12 26 9.3 47 73 45 45 19 13 155 31 22
25 13 20 9.2 50 353 42 61 17 12 106 19 15
26 26 26 9.9 29 53 29 26 8 39 37 13 14
27 49 17 11 13 129 19 26 7.3 17 22 13 14
28 19 14 45 18 49 88 15 6.3 14 14 19 17
29 22 13 28 13 62 131 13 9.3 19 10 13 12
30 14   17 22 66 79 11 10 12 88 10 15
31 16   25   77   8.9 76   34   12