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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 412.60 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 1979-10-01 -> 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
1 339 160 330 359 296 302 457 79 96 84 207 238
2 343 184 330 346 298 307 426 80 75 70 217 243
3 314 198 319 327 280 297 421 80 57 62 247 240
4 274 183 358 315 267 293 410 82 79 63 252 231
5 250 170 474 290 256 296 391 76 135 67 258 216
6 217 167 422 306 228 318 344 77 146 68 248 207
7 242 173 374 322 248 354 356 77 150 66 259 195
8 290 169 344 360 256 419 389 75 139 73 262 196
9 319 165 346 373 237 479 378 73 125 74 235 190
10 334 218 359 364 291 425 354 73 138 77 234 183
11 320 294 343 344 334 400 348 67 155 80 250 208
12 315 314 333 326 367 373 355 66 152 75 245 237
13 333 333 335 301 424 438 357 69 169 77 199 268
14 325 332 330 270 407 437 369 90 201 82 150 280
15 331 325 322 275 436 428 309 96 193 76 146 276
16 315 319 312 298 463 431 305 104 189 85 130 272
17 285 318 332 321 464 359 282 112 184 84 121 261
18 291 349 355 302 487 352 287 114 174 106 155 284
19 256 344 398 278 458 399 281 105 168 129 187 316
20 283 326 412 266 415 500 264 92 164 102 201 341
21 307 322 378 290 407 499 238 96 169 74 214 381
22 308 323 374 272 391 511 233 97 153 117 217 373
23 299 306 398 248 370 521 241 106 126 155 201 326
24 292 310 399 232 404 527 235 128 117 175 175 301
25 276 309 389 244 401 506 208 130 120 201 158 302
26 253 336 387 250 388 425 189 132 118 202 155 321
27 215 339 341 261 357 413 157 129 115 191 188 306
28 205 339 313 258 321 448 136 120 104 216 194 298
29 183 147 300 275 305 518 108 110 98 249 196 273
30 150   317 289 297 468 91 105 95 254 218 297
31 152   341   317   86 97   228   327