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USGS 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 08181500 Medina Rv at San Antonio, TX


Bexar County, Texas
Hydrologic Unit Code 12100302
Latitude  29°15'50", Longitude  98°29'26" NAD27
Drainage area 1,317  square miles
Contributing drainage area 1,317  square miles
Gage datum 439.03 feet above NGVD29
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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 1938-10-01 -> 2020-09-30)

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
1 162 168 170 194 191 383 271 156 210 145 238 158
2 162 233 165 177 197 393 411 158 148 148 219 156
3 162 217 164 174 257 409 426 166 142 141 261 194
4 169 355 203 169 255 411 786 266 191 179 248 210
5 168 360 243 233 215 660 802 227 296 214 239 197
6 163 310 242 213 240 464 865 194 208 164 223 188
7 156 258 218 179 271 381 611 176 180 180 187 163
8 149 232 200 171 351 326 366 211 299 172 177 170
9 155 223 191 160 229 301 287 191 359 261 204 167
10 152 213 184 156 194 335 262 146 332 235 202 161
11 158 198 178 153 222 405 250 155 225 186 173 155
12 160 219 189 154 237 468 230 139 193 185 164 158
13 159 191 195 152 278 434 208 142 200 172 163 160
14 155 192 214 151 220 534 201 148 199 171 164 156
15 166 184 185 158 309 433 205 152 168 188 164 168
16 169 175 181 186 290 378 350 163 188 229 221 159
17 163 170 179 194 271 386 609 416 240 280 240 152
18 265 191 168 286 287 377 465 290 222 627 272 149
19 246 183 176 283 292 338 319 243 172 433 235 152
20 219 195 180 250 262 284 258 195 174 263 212 188
21 233 198 180 211 219 277 274 198 220 212 196 206
22 183 222 169 190 252 273 277 181 234 247 241 293
23 173 209 170 184 270 370 263 160 237 277 270 250
24 171 205 171 225 294 350 257 163 196 351 224 176
25 164 210 168 295 357 335 258 161 176 413 193 158
26 161 197 172 251 335 399 238 151 189 277 180 155
27 203 189 175 235 308 276 229 152 506 234 176 159
28 168 180 187 229 314 260 190 156 271 204 179 162
29 165 168 197 219 268 352 172 315 167 225 169 158
30 162   197 187 352 333 164 241 154 265 159 162
31 159   224   465   161 236   261   160