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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 08105700 San Gabriel Rv at Laneport, TX


Williamson County, Texas
Hydrologic Unit Code 12070205
Latitude  30°41'39", Longitude  97°16'43" NAD27
Drainage area 738  square miles
Contributing drainage area 738  square miles
Gage datum 412.84 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 1979-10-01 -> 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
1 298 149 289 316 277 291 406 74 88 75 189 213
2 304 171 290 305 274 285 379 74 69 63 198 218
3 281 186 281 288 256 276 373 75 53 56 225 215
4 246 169 317 278 247 282 362 76 73 57 229 206
5 225 158 417 257 237 299 345 71 123 60 234 194
6 196 155 373 270 215 317 304 72 132 61 225 186
7 218 167 337 286 233 349 331 72 135 60 235 175
8 257 177 307 321 242 405 349 70 126 66 239 175
9 280 181 308 333 231 457 340 69 113 66 218 170
10 293 228 324 326 279 408 318 68 125 69 217 165
11 281 284 310 311 314 379 313 63 140 72 231 189
12 277 297 296 295 343 358 319 62 138 67 226 214
13 292 311 295 273 400 412 321 65 152 69 186 242
14 285 312 290 249 395 411 332 84 180 74 142 252
15 290 312 284 256 418 400 278 89 173 69 139 249
16 276 307 275 276 442 402 275 96 169 76 124 246
17 250 306 294 294 425 333 255 103 164 76 116 236
18 256 327 317 275 436 324 260 105 155 95 147 250
19 226 317 353 253 414 370 255 97 150 116 174 278
20 249 301 362 241 385 457 239 86 146 93 184 300
21 270 295 333 261 395 452 216 89 150 70 195 335
22 271 294 330 248 379 455 212 90 136 108 198 327
23 264 279 352 225 357 461 218 99 112 142 184 286
24 260 282 361 211 386 464 213 118 105 160 159 265
25 249 279 360 221 383 446 189 119 107 183 142 266
26 234 295 358 226 373 375 172 120 106 184 139 282
27 201 298 309 237 348 365 145 117 102 174 168 269
28 192 298 276 233 316 394 126 109 93 197 174 262
29 173 123 265 252 302 455 101 100 88 226 175 241
30 142   280 269 295 413 84 96 85 230 195 262
31 142   301   309   80 88   208   288