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USGS Surface-Water Daily Statistics for Texas

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Explore Real-time Water Data Using New Products from USGS TXWSC

View over 750 USGS real-time stream, lake, reservoir, precipitation, and groundwater stations in context with current weather and hazard conditions on both desktop and mobile devices.

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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 449.11 feet above NGVD29
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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 -> 2019-09-30)

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 46 33 42 55 178 412 239 76 287 188 118 33
2 87 100 34 111 221 740 407 63 221 120 90 32
3 68 177 41 132 184 408 966 72 229 77 87 31
4 45 78 31 46 195 292 1,720 114 172 63 71 32
5 39 56 30 53 186 396 672 92 219 128 77 33
6 34 45 29 82 153 468 493 65 166 270 91 31
7 35 40 28 85 131 356 576 64 87 247 75 30
8 34 37 32 90 108 221 339 49 121 186 77 31
9 32 35 40 79 130 143 227 55 280 125 63 32
10 32 33 32 47 99 104 198 71 291 153 64 31
11 31 31 29 43 67 88 150 43 218 234 62 30
12 31 30 32 49 93 116 110 55 148 188 58 29
13 33 29 35 36 96 189 91 56 91 186 52 30
14 31 28 31 38 128 387 110 418 70 183 50 32
15 31 28 41 33 170 543 178 713 54 208 47 33
16 30 27 43 59 236 631 154 357 63 151 60 39
17 29 29 51 133 395 421 241 138 249 177 79 36
18 29 29 38 82 153 286 398 99 531 225 90 32
19 34 27 41 64 155 349 244 109 295 264 80 39
20 50 26 46 111 284 507 175 72 178 310 61 77
21 35 26 34 116 236 280 172 55 129 176 57 59
22 50 28 35 190 114 182 141 62 172 165 51 36
23 104 32 45 254 95 147 339 132 218 150 47 33
24 81 39 41 146 81 603 262 326 261 172 45 42
25 54 50 34 127 154 329 227 185 204 184 43 53
26 43 49 41 190 341 176 444 107 152 225 41 35
27 36 86 38 187 279 206 229 70 146 156 39 34
28 43 68 39 186 202 250 98 61 207 112 37 34
29 42 21 35 219 238 179 70 83 307 100 35 39
30 38   39 184 333 173 80 116 209 146 34 37
31 34   38   416   96 95   146   37