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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 08206600 Frio Rv at Tilden, TX


Mcmullen County, Texas
Hydrologic Unit Code 12110108
Latitude  28°28'02", Longitude  98°32'50" NAD27
Drainage area 4,493  square miles
Contributing drainage area 4,493  square miles
Gage datum 212.66 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 1977-10-01 -> 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 82 60 61 58 168 324 386 116 98 125 113 44
2 76 59 59 70 134 308 457 164 101 88 108 50
3 75 60 54 87 101 285 468 185 81 63 123 43
4 78 108 50 91 84 567 656 151 49 64 127 40
5 109 165 47 91 85 659 871 133 39 74 96 38
6 151 133 47 103 97 564 894 103 52 79 70 38
7 111 134 49 96 105 495 837 83 39 61 64 37
8 90 124 52 91 100 481 791 98 54 49 66 37
9 75 129 104 89 98 652 850 111 183 49 71 36
10 66 109 133 92 98 704 883 84 670 65 78 36
11 60 88 101 92 108 637 657 152 679 140 85 35
12 57 76 80 101 82 474 525 159 592 221 88 36
13 55 66 70 108 74 351 347 114 521 220 79 37
14 54 60 78 90 98 280 223 73 455 246 75 37
15 53 57 79 72 107 318 249 57 341 253 85 36
16 53 54 69 113 160 474 225 60 243 216 91 36
17 61 52 65 94 184 656 257 62 150 256 77 36
18 70 51 66 135 362 575 293 54 101 252 78 35
19 73 49 69 99 481 506 342 45 113 196 102 35
20 58 47 72 83 400 375 236 41 114 179 124 36
21 50 45 82 81 283 342 231 58 168 186 108 50
22 50 45 102 90 201 322 269 115 205 231 128 103
23 50 47 98 98 130 248 234 183 161 306 119 94
24 49 55 67 92 80 225 199 145 113 352 96 70
25 49 59 59 83 77 240 154 104 83 253 73 71
26 49 49 59 100 90 235 141 171 83 188 59 212
27 62 51 61 111 93 340 240 274 112 158 55 297
28 63 53 66 120 125 608 365 226 130 153 57 181
29 71 109 71 138 170 529 295 251 153 187 53 128
30 66   62 182 291 390 189 194 222 209 47 102
31 60   54   331   139 109   152   89