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USGS Daily Statistics for Texas

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Explore Real-time Water Data Using New Products from USGS TXWSC

View over 750 USGS real-time stream, lake, reservoir, precipitation, and groundwater stations in context with current weather and hazard conditions on both desktop and mobile devices.

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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 -> 2019-09-30)

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
1 162 168 170 194 193 375 270 157 212 145 241 158
2 161 235 165 177 199 349 414 159 148 148 222 156
3 161 218 164 173 261 294 430 167 141 141 264 165
4 169 360 203 167 258 363 799 270 192 180 251 168
5 168 364 242 230 218 639 816 230 301 216 242 169
6 162 313 242 213 243 443 881 197 210 165 226 169
7 155 260 218 179 276 360 621 164 181 181 188 155
8 149 234 201 171 357 306 371 193 305 173 176 166
9 154 225 192 160 232 282 290 189 368 265 198 164
10 152 214 184 156 198 320 265 145 339 238 197 158
11 157 199 178 153 216 394 252 156 229 188 172 153
12 159 220 189 153 232 462 231 139 195 186 164 156
13 159 191 196 152 282 428 209 141 202 173 163 158
14 155 188 215 151 222 533 203 148 202 172 164 154
15 165 181 185 158 314 429 207 150 169 190 164 167
16 168 174 181 187 287 374 355 162 190 231 223 158
17 160 169 179 195 272 383 621 417 244 283 242 151
18 265 191 168 290 257 375 473 290 225 639 275 147
19 246 183 176 287 264 336 324 246 174 440 237 150
20 219 174 180 253 223 280 261 198 177 267 214 188
21 234 189 180 213 208 274 278 159 224 214 198 206
22 182 220 169 190 251 269 281 141 239 250 243 295
23 172 208 170 185 271 369 266 151 242 281 273 251
24 171 205 170 227 297 350 261 160 200 357 226 175
25 163 210 168 299 352 335 262 160 178 413 194 157
26 161 197 173 254 330 401 239 149 159 278 181 154
27 203 189 176 237 309 274 231 151 501 236 177 158
28 168 180 188 232 311 257 190 155 265 205 180 161
29 164 170 197 221 256 352 173 321 164 227 170 157
30 162   197 189 321 333 165 243 153 269 160 161
31 158   225   451   162 239   265   159