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USGS Surface-Water Daily Statistics for Texas

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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 868.52 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 1978-10-01 -> 2024-09-30)

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 49 45 53 47 30 127 56 15 8.1 7.4 58 35
2 60 43 53 45 31 142 130 15 8.3 7.2 51 34
3 60 57 52 44 107 106 93 14 7.2 6.3 50 34
4 51 103 119 59 106 127 63 13 6.8 5.9 39 33
5 50 76 65 71 46 90 110 12 7.3 5.5 39 33
6 64 62 60 56 41 146 55 11 7.1 34 41 32
7 51 55 57 53 60 86 49 11 9.8 10 36 32
8 46 52 55 51 98 71 41 10 63 9.8 35 42
9 51 49 56 46 66 151 38 9.9 22 12 36 40
10 49 52 56 44 90 145 36 9.2 14 10 33 39
11 46 49 55 48 66 167 34 8.7 12 10 30 44
12 45 48 80 43 47 143 31 8.2 11 17 29 39
13 43 45 62 43 91 153 28 7.6 8.8 33 28 42
14 41 45 63 50 56 116 26 7.1 8 28 33 39
15 42 46 58 40 63 74 25 8.2 9 15 114 46
16 50 44 75 38 62 99 26 14 9.9 26 52 51
17 46 42 62 38 109 60 33 14 11 106 148 45
18 57 43 58 46 66 62 27 11 9.4 54 49 43
19 53 42 55 41 91 56 23 9.7 16 38 41 49
20 50 64 66 37 65 49 26 13 11 32 42 87
21 46 55 60 36 96 57 50 12 10 28 38 153
22 50 52 55 35 67 126 27 9.4 22 25 80 141
23 47 83 53 33 60 77 27 8.3 12 68 57 96
24 45 57 51 33 156 62 24 7.6 9.9 38 40 71
25 44 54 49 34 111 60 22 7.1 9.1 54 47 61
26 52 62 55 45 93 61 26 6.7 9.1 37 39 56
27 58 55 59 36 88 57 24 8.8 9 34 52 81
28 50 53 57 32 90 52 19 7.8 8 30 42 61
29 56 33 53 31 86 49 21 6.6 7.8 30 39 54
30 47   69 31 145 88 17 8.1 9.3 130 37 50
31 45   54   117   16 8.3   136   58