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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 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 878.13 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 1978-10-01 -> 2020-09-30)

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 54 50 59 53 32 137 60 16 8.7 7.8 63 37
2 68 48 59 50 31 154 142 15 9 7.7 56 37
3 67 61 58 49 116 108 102 15 7.7 6.7 53 37
4 57 114 133 65 116 132 69 13 6.9 6.3 40 36
5 56 84 72 77 49 91 120 13 7.9 5.9 41 36
6 72 69 67 61 45 155 60 12 7.6 37 43 34
7 57 61 63 58 66 90 52 11 11 11 38 34
8 51 58 61 56 107 74 44 11 69 11 37 46
9 57 54 62 51 73 163 41 10 24 13 39 43
10 55 57 62 48 99 156 39 9.8 14 11 35 42
11 51 53 61 54 73 180 36 9.2 12 11 32 48
12 50 53 89 48 51 155 34 8.7 12 19 30 43
13 49 49 69 48 99 167 30 8.1 9.5 34 30 45
14 46 49 71 56 61 126 28 7.5 8.6 13 35 43
15 47 50 65 45 69 79 27 8.7 9.7 14 125 50
16 56 49 84 42 67 108 28 15 11 26 56 56
17 51 46 69 43 119 64 36 15 12 115 161 49
18 64 48 65 51 71 67 29 12 10 59 53 47
19 59 46 62 45 99 61 25 10 18 40 45 53
20 56 71 74 42 71 53 28 14 12 34 45 95
21 52 61 67 40 105 62 54 13 11 30 41 168
22 56 58 62 39 72 138 29 10 24 26 88 155
23 53 93 59 37 65 84 29 8.9 13 74 62 105
24 49 63 57 37 165 68 26 8.1 11 41 44 78
25 47 60 55 38 103 65 24 7.6 9.8 59 51 67
26 57 69 62 50 96 67 28 7.2 9.9 41 43 62
27 64 61 66 40 92 62 26 9.4 9.7 36 57 88
28 55 59 63 35 95 56 21 8.3 8.5 32 46 66
29 62 39 59 34 92 53 22 7.1 8.1 32 42 59
30 53   77 34 157 96 19 8.7 10 142 40 55
31 50   60   126   17 8.9   149   63