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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 0810464660 N Fk San Gabriel Rv at Reagan Blvd nr Leander, TX


Williamson County, Texas
Hydrologic Unit Code 12070205
Latitude  30°41'51.9", Longitude  97°50'57.2" NAD83
Drainage area 210  square miles
Contributing drainage area 210  square miles
Gage datum 806.58 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 2008-10-01 -> 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 30 50 38 31 28 58 17 2.5 3.9 4.3 38 39
2 178 47 36 55 34 163 16 2.4 4.1 3.8 29 51
3 111 55 30 41 124 135 16 2.4 6.7 3.5 25 33
4 59 148 28 32 68 135 26 2.1 4.6 4.4 25 33
5 46 111 29 29 40 84 21 2 4.3 5.4 25 31
6 42 67 28 36 34 54 16 1.8 3.4 3.9 25 31
7 40 58 26 30 31 52 14 8.3 34 3.3 35 42
8 36 68 38 29 115 44 13 2.8 233 3.7 42 79
9 34 65 55 26 72 38 15 2.4 26 23 55 40
10 33 53 45 25 42 42 16 2 9 17 34 34
11 32 56 107 25 48 33 14 1.5 6.3 8.2 29 32
12 36 77 116 43 43 29 12 1.3 5.5 7.9 29 32
13 31 54 61 39 38 38 11 1.3 6 10 26 64
14 30 68 48 27 46 26 9.8 1.2 4.7 7.4 24 39
15 32 54 40 24 51 23 8.9 1.4 4.4 37 23 33
16 84 46 51 24 47 21 8 7.4 4.4 563 23 31
17 45 43 49 39 37 30 7.2 36 4.1 76 26 30
18 46 62 38 80 38 21 15 23 3.7 39 25 29
19 39 49 39 49 130 20 6.3 15 3.3 76 21 29
20 35 65 516 41 81 18 5.8 11 21 70 46 28
21 34 47 75 53 93 20 5.3 12 16 34 45 28
22 32 39 56 39 56 45 4.8 12 251 542 30 27
23 30 41 45 31 91 17 4.4 8.5 11 69 26 26
24 29 43 41 53 393 53 5 6.6 7.1 82 25 25
25 29 37 47 44 186 29 4.1 5.5 6.2 67 23 25
26 29 33 40 30 92 19 3.7 4.8 16 217 22 29
27 29 32 36 113 55 27 3.9 13 8 86 25 93
28 28 30 35 35 47 31 4 5.4 6 52 78 41
29 189 13 41 30 107 24 3.7 4.5 12 41 47 32
30 67   36 32 64 19 3.1 10 6 128 40 31
31 53   34   50   2.8 4.9   106   34