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


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
Click to hideNews Bulletins

USGS Daily Statistics for Texas

Click to hide state-specific text

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.

Click to go to the Texas Water Dashboard Click to go to the WATER On-the-go app

Follow @USGS_TexasFlood and @USGS_TexasRain on Twitter to get current water level and precipitation data during flooding or severe rainfall events.


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 08158700 Onion Ck nr Driftwood, TX


Hays County, Texas
Hydrologic Unit Code 12090205
Latitude  30°04'58", Longitude  98°00'27" NAD27
Drainage area 124  square miles
Contributing drainage area 124  square miles
Gage datum 868.52 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 1978-10-01 -> 2022-09-30)

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 51 47 55 49 31 130 58 15 8.5 7.7 61 36
2 63 45 55 47 32 146 136 16 8.7 7.5 53 36
3 63 59 54 46 109 109 98 15 7.5 6.6 52 35
4 53 107 124 62 108 130 66 13 7.1 6.2 41 35
5 52 79 67 74 47 93 115 12 7.7 5.8 41 35
6 67 65 63 59 42 149 58 12 7.4 36 43 33
7 53 57 59 55 62 88 51 11 10 10 38 33
8 48 54 57 53 100 72 43 11 66 10 37 44
9 53 51 58 48 68 154 39 10 23 12 38 42
10 51 53 58 45 92 147 38 9.7 14 10 34 41
11 48 50 57 51 68 170 35 9.1 12 11 31 46
12 47 49 83 45 48 146 33 8.6 11 18 30 41
13 45 46 64 45 93 160 30 7.9 9.3 35 29 43
14 43 46 66 52 58 122 28 7.4 8.4 30 35 41
15 44 47 61 42 65 77 26 8.5 9.4 16 120 48
16 53 46 79 39 63 104 27 15 10 27 54 54
17 48 44 65 40 112 62 34 15 12 111 155 47
18 60 45 60 48 67 65 28 12 9.8 57 51 45
19 55 44 58 43 93 59 24 10 17 39 43 51
20 52 66 69 39 66 51 27 13 12 33 44 91
21 49 57 62 38 98 60 52 12 10 29 40 160
22 52 54 58 37 68 132 28 9.9 23 26 84 148
23 49 87 55 35 62 81 28 8.7 12 72 60 100
24 46 59 53 35 159 65 25 7.9 10 40 42 75
25 44 56 51 36 114 63 23 7.4 9.5 56 49 64
26 53 64 57 47 96 64 27 7.1 9.6 39 41 59
27 60 57 62 38 90 60 25 9.2 9.4 35 55 84
28 52 55 59 33 92 54 20 8.2 8.3 31 44 63
29 58 35 55 32 88 51 22 6.9 8.2 31 41 57
30 49   72 32 148 92 18 8.5 9.7 136 39 52
31 47   56   120   16 8.7   142   60