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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 08446500 Pecos Rv nr Girvin, TX


Pecos County, Texas
Hydrologic Unit Code 13070001
Latitude  31°06'47", Longitude 102°25'02" NAD27
Drainage area 37,300  square miles
Contributing drainage area 29,560  square miles
Gage datum 2,284.51 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 1938-10-01 -> 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 55 48 42 35 31 63 45 28 34 88 88 55
2 55 48 42 34 33 67 43 32 34 97 90 55
3 54 48 42 33 34 69 43 34 35 100 93 54
4 53 49 41 33 35 67 43 34 39 170 97 54
5 53 49 41 32 35 65 45 39 40 298 103 54
6 53 49 40 32 34 66 45 34 43 280 106 54
7 52 51 40 31 31 70 42 30 44 248 105 54
8 53 50 41 31 32 71 49 30 45 217 105 54
9 52 49 41 32 36 73 49 31 51 196 108 55
10 53 49 41 31 36 88 45 30 55 188 108 55
11 52 48 42 31 36 105 39 33 56 185 108 55
12 52 47 41 32 39 108 38 33 50 201 107 57
13 52 47 39 32 39 112 36 31 49 199 105 58
14 54 48 38 32 36 107 37 29 46 199 99 57
15 56 48 37 38 31 118 39 29 47 208 93 57
16 57 47 37 36 33 114 37 29 47 211 88 57
17 58 46 38 32 34 110 33 29 46 192 83 57
18 57 45 39 30 33 106 41 29 45 173 78 56
19 56 44 38 32 29 103 32 27 66 156 77 56
20 55 44 39 32 28 97 30 26 54 148 75 56
21 54 44 38 30 33 85 29 26 58 143 68 56
22 53 44 38 30 31 64 30 28 56 136 62 56
23 52 45 39 31 32 56 37 30 57 125 59 57
24 52 44 58 31 32 50 38 27 61 110 57 57
25 52 44 44 35 46 45 35 28 60 89 56 56
26 52 42 38 54 62 44 35 27 57 82 56 56
27 52 42 38 27 57 41 35 28 85 82 56 56
28 52 42 40 27 55 40 34 29 70 85 56 56
29 50 39 36 29 53 43 32 33 66 85 56 55
30 49   35 29 53 44 29 34 78 87 56 55
31 49   34   59   28 32   87   55