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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 08197500 Frio Rv bl Dry Frio Rv nr Uvalde, TX


Uvalde County, Texas
Hydrologic Unit Code 12110106
Latitude  29°14'44", Longitude  99°40'27" NAD27
Drainage area 631  square miles
Contributing drainage area 631  square miles
Gage datum 883.02 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 1953-10-01 -> 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 49 5.7 3 3.4 18 32 36 14 3 28 17 0.53
2 19 3 2.8 3.1 16 45 310 15 2.3 4.4 10 0.47
3 13 3.8 2.9 21 25 65 140 14 1.9 3.2 8.2 0.39
4 10 6.7 43 5.4 17 70 47 18 1.7 40 29 0.28
5 8.7 7.9 22 7.1 7.7 98 103 7.4 5.8 205 15 0.2
6 7.5 7 12 94 5.2 34 64 4.7 3.6 16 27 0.16
7 6.6 6.3 9.3 30 39 25 44 3.4 2.2 7 16 0.12
8 5.9 5.7 9.2 12 22 21 47 2.5 136 45 11 0.11
9 5.2 5.4 7.8 8 5.9 47 49 1.7 27 106 9.5 0.09
10 4.6 5 6.6 6.7 3.1 46 26 1.3 13 49 14 0.09
11 4.2 4.8 6.1 6.4 18 51 23 1.1 7.1 13 9.3 0.08
12 4 4.5 5.8 5.6 6.1 121 68 63 4.4 42 7.3 0.08
13 4.2 4.3 5.4 4.6 18 53 20 362 2.8 212 5.8 0.07
14 3.7 4 5 3.9 10 45 29 149 3.5 100 5 0.07
15 3.4 3.7 22 18 21 39 146 78 38 108 74 0.07
16 3.3 3.4 17 30 6.6 206 108 25 157 125 80 0.06
17 3.6 3.3 8.8 15 9.8 170 71 16 53 48 63 0.06
18 4.2 3 6 62 5.8 84 52 11 21 100 20 0.06
19 3.9 2.7 4.5 25 2.2 45 45 7.9 79 69 12 0.05
20 3.2 2.5 3.8 16 1.2 33 34 19 138 61 9.4 21
21 5.1 2.5 6.4 14 0.8 29 245 7.3 59 26 7.3 98
22 6.1 2.4 8.2 9.7 2.1 490 31 3.7 144 35 5.6 41
23 4.3 2.2 5.4 149 18 134 15 3.3 48 28 4.6 19
24 3.6 3.6 3.8 46 236 63 12 445 52 121 3.9 15
25 3.2 7.2 3 25 121 38 14 59 24 25 3 13
26 3.8 5.4 2.4 14 51 192 12 30 41 16 2.4 12
27 4.5 4.2 2.4 11 47 72 11 19 16 13 1.8 11
28 4.3 3.7 4.8 9.4 19 41 8.8 11 10 288 1.4 9.1
29 3.7 13 7 8.3 352 274 20 6 57 86 1.1 8.1
30 3.4   6.2 7.2 28 74 13 54 75 38 0.75 7.4
31 9.7   9.2   36   14 10   18   317