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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 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
1 171 150 161 177 200 438 330 145 101 111 192 124
2 161 164 156 170 237 381 459 150 92 105 221 125
3 155 215 155 168 171 365 648 205 90 101 244 126
4 152 263 235 165 168 810 1,270 403 98 98 190 125
5 148 404 320 237 165 752 1,280 289 101 110 187 129
6 145 346 294 185 209 571 1,440 219 121 119 190 126
7 144 298 247 166 245 483 983 190 111 153 172 125
8 140 267 219 166 271 415 542 191 129 134 164 130
9 140 247 203 167 181 392 399 166 291 217 181 127
10 145 233 190 161 169 542 367 142 241 160 174 124
11 157 219 180 156 174 714 311 154 183 132 158 125
12 151 210 173 154 176 605 282 133 155 152 153 127
13 151 202 167 156 227 669 262 142 172 155 150 128
14 154 197 168 156 208 599 242 161 152 179 150 128
15 147 187 171 157 203 567 254 150 137 217 149 131
16 146 181 169 162 205 485 538 121 150 240 170 129
17 144 176 176 243 256 442 880 113 265 288 148 126
18 148 169 162 214 193 431 561 108 195 402 150 125
19 146 162 161 269 182 372 413 102 154 360 158 133
20 146 157 165 207 180 319 339 97 144 257 167 156
21 144 155 161 216 191 291 296 92 141 222 152 173
22 151 179 176 195 245 302 266 89 135 222 145 266
23 146 176 193 207 340 577 246 98 186 296 140 234
24 152 173 196 220 272 520 225 128 136 377 155 152
25 152 187 182 207 253 419 209 123 120 318 145 142
26 147 181 171 199 250 358 194 105 115 218 143 140
27 202 176 166 179 283 322 184 96 184 203 143 149
28 156 169 190 165 279 295 172 90 133 195 137 154
29 155 205 204 192 250 316 164 88 119 197 133 155
30 156   203 168 564 339 157 131 116 204 128 154
31 153   190   585   149 205   189   153