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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 08205500 Frio Rv nr Derby, TX


Frio County, Texas
Hydrologic Unit Code 12110106
Latitude  28°44'11", Longitude  99°08'40" NAD27
Drainage area 3,429  square miles
Contributing drainage area 3,429  square miles
Gage datum 449.05 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 1914-10-01 -> 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 44 32 41 53 172 397 230 73 276 179 113 31
2 83 95 33 107 217 712 391 60 212 115 86 31
3 65 169 40 127 190 396 929 69 221 73 83 30
4 43 74 30 44 193 285 1,650 110 166 60 67 31
5 37 53 29 51 182 385 646 88 210 122 73 32
6 33 44 29 79 150 452 474 63 159 257 87 30
7 33 39 27 82 127 344 555 62 84 235 71 29
8 32 35 31 87 104 214 328 47 117 177 74 30
9 31 34 39 76 126 138 219 53 269 119 61 31
10 31 32 31 45 96 100 191 68 280 146 61 30
11 30 30 29 42 65 85 145 41 210 223 59 29
12 30 29 31 47 90 112 106 53 143 179 55 28
13 31 28 34 35 93 182 88 54 88 177 50 29
14 30 27 30 37 125 373 106 402 67 174 48 30
15 30 27 39 32 164 522 171 685 52 198 45 31
16 29 27 42 57 233 607 148 343 60 143 58 37
17 28 28 50 128 405 405 232 132 239 169 76 35
18 28 28 37 79 157 275 382 96 511 214 86 30
19 32 26 40 61 153 335 234 105 283 251 76 37
20 48 26 44 106 276 487 169 70 172 296 58 73
21 33 25 33 112 235 269 165 53 125 167 55 56
22 48 27 33 183 119 175 135 60 166 157 49 35
23 99 31 43 245 94 141 326 127 208 143 45 32
24 77 37 39 140 79 580 252 314 249 164 43 40
25 52 48 33 122 149 316 218 178 194 175 41 51
26 41 47 39 183 328 170 427 103 145 215 39 34
27 35 83 36 180 268 198 220 67 139 149 37 33
28 41 66 37 179 195 240 94 59 197 107 35 32
29 40 22 34 211 229 172 67 79 292 96 34 37
30 36   38 177 321 166 77 112 199 139 32 35
31 33   36   400   93 91   139   35