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USGS Daily Statistics for the Nation

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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 08180800 Medina Rv nr Somerset, TX


Bexar County, Texas
Hydrologic Unit Code 12100302
Latitude  29°15'43", Longitude  98°34'52" NAD27
Drainage area 967  square miles
Contributing drainage area 967  square miles
Gage datum 493.93 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 1970-10-01 -> 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
1 167 146 157 177 200 438 330 145 101 111 192 124
2 157 160 152 170 237 381 459 150 92 105 221 122
3 152 210 151 168 171 365 648 205 90 101 244 123
4 148 257 230 165 168 810 1,270 403 98 98 190 122
5 144 394 312 237 165 752 1,280 289 101 110 187 126
6 142 337 287 185 209 571 1,440 219 121 119 190 123
7 141 290 241 166 245 483 983 190 111 153 172 122
8 136 261 214 166 271 415 542 191 129 134 164 127
9 137 241 198 167 181 392 399 166 291 217 181 124
10 142 227 186 161 169 542 367 142 241 160 174 121
11 154 214 175 156 174 714 311 154 183 132 158 122
12 148 205 169 154 176 605 282 133 155 152 153 124
13 148 198 163 156 227 669 262 142 172 155 150 125
14 150 192 164 156 208 599 242 161 152 179 150 125
15 144 183 167 157 203 567 254 150 137 217 149 127
16 143 177 165 162 205 485 538 121 150 240 170 126
17 140 172 176 243 256 442 880 113 265 288 148 123
18 144 165 162 214 193 431 561 108 195 402 150 122
19 143 159 161 269 182 372 413 102 154 360 158 130
20 143 153 165 207 180 319 339 97 144 257 167 152
21 141 151 161 216 191 291 296 92 141 222 152 169
22 147 175 176 195 245 302 266 89 135 222 145 260
23 143 172 193 207 340 577 246 98 186 296 140 228
24 149 168 196 220 272 520 225 128 136 377 155 149
25 149 183 182 207 253 419 209 123 120 318 145 138
26 143 177 171 199 250 358 194 105 115 218 143 137
27 197 172 166 179 283 322 184 96 184 203 143 145
28 152 165 190 165 279 295 172 90 133 195 137 150
29 151 205 204 192 250 316 164 88 119 197 133 151
30 153   203 168 564 339 157 131 116 204 128 150
31 149   190   585   149 205   189   149