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USGS 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 08152900 Pedernales Rv nr Fredericksburg, TX


Gillespie County, Texas
Hydrologic Unit Code 12090206
Latitude  30°13'13", Longitude  98°52'10" NAD27
Drainage area 369  square miles
Contributing drainage area 369  square miles
Gage datum 1,565.08 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 1979-10-01 -> 2025-09-30)

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 37 32 39 44 64 83 46 19 26 13 39 23
2 35 54 45 43 108 71 181 19 22 13 27 23
3 33 83 41 44 183 101 51 34 16 13 70 23
4 31 168 103 44 79 232 288 19 27 12 84 24
5 31 67 51 49 52 101 397 17 42 12 50 24
6 29 52 46 222 63 62 67 16 32 22 74 24
7 29 45 48 54 44 58 48 26 25 29 30 25
8 28 41 47 45 104 51 37 21 39 46 31 27
9 30 40 47 43 84 197 33 16 32 22 27 28
10 31 39 41 42 65 74 31 14 28 31 26 30
11 30 38 43 42 59 72 68 15 21 45 30 35
12 28 37 53 40 62 84 35 14 23 64 23 29
13 28 36 49 40 49 95 28 13 17 108 22 30
14 27 51 47 44 44 102 26 14 16 34 22 29
15 27 39 41 40 67 83 29 20 21 124 219 30
16 29 43 109 81 52 171 30 118 24 305 44 39
17 33 38 51 53 55 94 77 377 19 43 53 29
18 34 36 84 56 67 62 29 33 16 41 31 27
19 31 34 54 50 85 54 29 30 18 280 32 48
20 33 44 97 47 74 49 41 20 18 89 37 390
21 29 41 68 50 122 48 51 18 16 56 30 252
22 29 39 58 42 56 79 30 17 19 58 27 89
23 27 82 44 44 42 43 39 18 15 36 25 56
24 27 70 40 44 68 38 72 18 14 46 25 42
25 26 51 39 41 471 48 38 19 13 34 26 38
26 32 45 148 44 98 42 28 18 16 43 26 40
27 36 42 60 45 102 79 27 15 15 46 25 42
28 40 38 58 43 117 50 26 16 13 36 32 35
29 57 43 75 51 221 43 25 16 13 33 26 34
30 38   72 39 113 57 22 15 12 24 24 32
31 33   53   90   21 25   27   97