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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 08158827 Onion Ck at Twin Creeks Rd nr Manchaca, TX


Travis County, Texas
Hydrologic Unit Code 12090205
Latitude  30°07'34", Longitude  97°49'15" NAD27
Drainage area 181  square miles
Contributing drainage area 181  square miles
Gage datum 587.8 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 2002-10-01 -> 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 11 13 9.4 28 9.0 141 65 24 2.7 1.4 168 30
2 50 13 15 26 6.3 176 36 21 2.1 1.3 62 27
3 80 14 17 22 113 107 70 19 2.5 2.0 46 24
4 37 45 12 16 390 107 52 17 2.7 2.9 29 21
5 27 43 14 12 39 79 34 14 2.1 1.3 22 21
6 22 26 22 11 27 63 37 13 5.3 1.2 18 21
7 19 21 22 11 25 54 42 12 7.3 1.1 15 31
8 17 20 18 14 173 46 24 10 190 1.1 19 43
9 15 21 28 13 82 84 24 8.6 85 4.5 19 20
10 11 16 31 11 41 115 16 7.2 20 3.3 14 13
11 10 17 25 10 123 37 13 5.7 17 2.1 11 10
12 11 25 113 20 35 27 11 4.5 13 1.7 9.1 9.4
13 166 19 36 15 37 19 9.6 3.6 3.5 193 7.7 19
14 14 18 40 10 25 22 22 3.1 2.0 12 6.9 17
15 15 15 23 6.8 45 20 18 4.1 1.7 4.3 21 11
16 42 13 18 5.1 78 15 37 66 1.7 24 19 10
17 16 11 15 5.2 111 16 6.5 74 1.7 17 591 10
18 39 29 14 35 68 13 5.9 28 21 11 96 8.0
19 26 15 12 29 262 12 7.0 15 10 9.3 57 12
20 16 31 72 19 97 16 50 52 5.7 12 59 7.7
21 12 23 46 19 51 16 168 47 5.1 6.6 54 6.8
22 33 14 35 22 42 31 62 22 22 9.6 453 6.2
23 30 13 19 15 36 19 42 13 7.8 94 199 5.5
24 17 14 14 14 390 16 62 8.5 3.0 22 77 5.6
25 63 12 13 14 173 12 54 5.2 1.9 21 60 4.8
26 11 12 16 9.6 243 25 55 30 3.8 19 66 4.3
27 8.9 13 65 8.9 258 41 58 75 2.5 20 45 114
28 13 11 62 7.6 158 32 35 19 1.7 5.5 38 34
29 27 5.7 29 6.4 139 38 55 5.8 22 3.2 38 20
30 23   56 11 104 122 38 3.8 2.6 758 34 16
31 14   65   128   29 4.1   915   14