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USGS Surface-Water Daily Statistics for Texas

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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 -> 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
1 175 153 164 182 205 449 338 148 104 114 197 127
2 165 168 160 174 243 390 470 153 94 108 227 125
3 159 219 159 173 176 375 665 210 92 104 250 126
4 156 268 241 169 172 830 1,300 413 100 100 195 125
5 152 414 328 243 169 771 1,310 296 103 113 191 129
6 149 354 301 189 214 586 1,470 224 124 122 195 126
7 148 305 253 171 251 495 1,010 194 113 156 176 125
8 143 274 225 170 278 425 556 196 132 137 168 130
9 144 253 208 171 186 402 409 170 298 223 185 127
10 149 238 195 164 173 546 376 146 247 164 179 124
11 161 224 184 159 179 728 318 158 188 135 162 128
12 155 215 178 158 180 620 289 136 159 156 156 130
13 155 207 171 159 233 686 268 146 176 159 153 132
14 157 201 172 160 213 614 248 165 156 183 154 131
15 151 192 175 160 208 581 260 154 140 222 153 134
16 150 185 173 166 210 497 551 124 153 246 174 132
17 147 180 179 249 262 453 902 115 272 296 152 129
18 151 173 166 220 198 442 575 110 200 412 154 128
19 150 166 165 275 186 381 423 104 157 369 162 136
20 150 161 169 212 184 327 347 99 148 263 171 160
21 148 159 165 221 196 298 304 94 145 227 156 177
22 145 184 180 200 251 309 272 91 138 228 148 273
23 146 180 197 212 349 592 251 101 191 303 144 240
24 144 177 200 226 279 534 230 131 139 387 159 156
25 141 192 186 212 260 430 213 126 123 326 149 145
26 147 185 175 204 256 367 199 107 118 223 147 143
27 206 181 170 184 290 330 188 98 189 208 146 152
28 159 173 195 169 286 302 176 92 136 200 140 157
29 159 227 209 196 256 324 168 90 122 202 137 159
30 160   208 172 578 348 160 134 119 209 131 158
31 157   195   600   153 210   193   157