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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 -> 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 82 60 61 58 168 324 386 116 100 128 113 44
2 76 59 59 70 134 308 457 164 103 90 108 50
3 75 60 54 87 101 285 468 185 82 64 123 43
4 78 108 50 91 84 567 656 151 50 66 127 40
5 109 165 47 91 85 659 871 133 39 75 96 38
6 151 133 47 103 97 564 894 103 53 80 70 38
7 111 134 49 96 105 495 837 83 40 62 64 37
8 90 124 52 91 100 481 791 98 55 50 66 37
9 75 129 104 89 98 652 850 111 187 50 71 36
10 66 109 133 92 98 704 883 84 684 66 78 36
11 60 88 101 92 108 637 657 152 693 143 85 35
12 57 76 80 101 82 474 525 159 605 225 88 36
13 55 66 70 108 74 351 347 114 532 225 79 37
14 54 60 78 90 98 280 223 73 464 252 75 37
15 53 57 79 72 107 318 249 57 348 258 85 36
16 53 54 69 113 160 474 225 60 248 221 91 36
17 61 52 65 94 184 656 257 62 153 262 77 36
18 70 51 66 135 362 575 293 54 103 258 78 35
19 73 49 69 99 481 506 342 45 116 200 102 35
20 58 47 72 83 400 375 236 42 117 183 124 36
21 50 45 82 81 283 342 231 59 172 190 108 50
22 50 45 102 90 201 322 269 118 209 236 128 103
23 50 47 98 98 130 248 234 187 165 313 119 94
24 49 55 67 92 80 225 199 148 115 360 96 70
25 49 59 59 83 77 240 154 107 85 259 73 71
26 49 49 59 100 90 235 141 174 85 192 59 212
27 62 51 61 111 93 340 240 280 115 161 55 297
28 63 53 66 120 125 608 365 231 133 153 57 181
29 71 109 71 138 170 529 295 257 156 187 53 128
30 66   62 182 291 390 189 198 227 209 47 102
31 60   54   331   139 112   152   89