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USGS Daily Statistics for Texas

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Explore Real-time Water Data Using New Products from USGS TXWSC

View over 750 USGS real-time stream, lake, reservoir, precipitation, and groundwater stations in context with current weather and hazard conditions on both desktop and mobile devices.

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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 08185100 Martinez Ck nr Saint Hedwig, TX


Bexar County, Texas
Hydrologic Unit Code 12100304
Latitude  29°26'38", Longitude  98°10'08" NAD83
Drainage area 81.1  square miles
Contributing drainage area 81.1  square miles
Gage datum 527.37 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 2005-10-01 -> 2019-09-30)

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 16 16 15 35 47 48 35 14 12 26 38 16
2 16 16 15 25 33 299 22 12 14 19 24 19
3 31 86 13 23 33 116 19 11 14 17 18 108
4 31 136 13 23 44 55 81 10 27 207 16 134
5 24 61 26 19 36 34 51 9.9 17 62 16 101
6 17 34 20 16 26 19 69 9.3 14 41 25 52
7 15 25 17 15 27 16 134 10 48 31 26 41
8 14 22 14 20 20 13 54 17 350 20 18 83
9 20 20 18 19 22 75 32 13 63 26 23 33
10 27 19 35 17 21 17 29 9.4 70 37 24 22
11 17 52 35 16 34 13 24 9.0 38 23 18 17
12 16 71 40 26 32 11 25 8.5 35 18 14 14
13 19 27 71 34 29 11 18 8.6 30 16 13 15
14 25 31 67 41 30 31 15 10 21 17 12 18
15 121 30 28 29 55 42 28 14 27 18 11 15
16 103 23 21 22 92 14 29 35 46 30 11 13
17 51 19 20 35 72 20 26 123 39 24 11 17
18 55 69 18 72 92 143 25 54 29 17 11 17
19 32 33 18 45 103 28 26 52 23 18 12 17
20 25 48 59 29 102 23 65 39 20 20 40 19
21 22 34 61 25 48 34 94 66 17 15 53 15
22 24 23 46 29 29 49 47 43 25 23 29 16
23 31 28 26 23 19 28 28 27 21 22 39 17
24 28 55 22 34 166 20 56 22 16 19 33 18
25 37 26 23 99 95 19 75 19 15 32 22 23
26 38 19 23 73 70 24 101 16 18 70 20 18
27 44 16 38 48 48 19 41 20 37 66 19 15
28 32 14 48 37 32 25 30 19 27 26 24 18
29 22 13 139 23 43 56 26 15 42 18 25 16
30 20   55 52 32 36 21 13 47 24 18 16
31 18   72   41   16 12   92   18