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USGS Daily Statistics for the Nation

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 41 34 30 62 44 28 34 88 88 55
2 55 48 41 33 33 67 43 31 34 97 90 55
3 54 48 42 33 34 68 42 33 35 100 93 54
4 53 49 41 33 35 66 42 33 39 170 97 54
5 53 49 40 32 34 64 45 39 40 298 103 54
6 53 49 40 31 34 65 44 34 43 280 106 54
7 52 51 40 30 30 70 41 30 44 248 105 54
8 53 50 41 30 32 70 49 29 45 217 105 54
9 52 49 41 32 36 72 48 30 51 196 108 55
10 53 49 41 31 36 87 45 29 55 188 108 55
11 52 48 42 31 36 104 39 33 56 185 108 55
12 52 47 41 32 38 106 37 32 50 201 107 57
13 52 47 39 32 38 111 36 30 49 199 105 58
14 54 48 37 32 35 106 37 29 46 199 99 57
15 56 48 37 38 31 117 38 28 47 208 93 57
16 57 47 37 35 32 113 37 28 47 211 88 57
17 58 46 38 31 33 109 33 28 46 192 83 57
18 57 45 38 30 32 105 40 28 45 173 78 56
19 56 44 38 31 29 102 32 27 66 156 77 56
20 55 44 39 32 28 96 30 26 54 148 75 56
21 54 44 38 30 32 84 29 26 58 143 68 56
22 53 44 38 29 31 63 30 28 56 136 62 56
23 52 44 39 30 32 56 37 30 57 125 59 57
24 52 44 57 30 32 50 38 27 61 110 57 57
25 52 43 43 35 45 45 34 28 60 89 56 56
26 52 42 38 53 61 43 35 27 57 82 56 56
27 52 42 37 27 56 40 35 28 85 82 56 56
28 52 42 40 27 54 40 34 29 70 85 56 56
29 50 37 36 29 52 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