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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 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
1 298 149 289 323 281 296 414 74 88 75 189 213
2 304 171 290 312 278 290 386 74 69 63 198 218
3 281 186 281 294 259 281 381 75 53 56 225 215
4 246 169 317 284 250 287 369 76 73 57 229 206
5 225 158 417 262 240 305 352 71 123 60 234 194
6 196 155 373 276 214 324 310 72 132 61 225 186
7 218 167 337 292 232 355 320 72 135 60 235 175
8 257 177 307 328 237 413 349 70 126 66 239 175
9 280 181 308 340 218 467 340 69 113 66 218 170
10 293 228 324 334 267 416 318 68 125 69 217 165
11 281 284 310 318 303 387 313 63 140 72 231 189
12 277 297 296 301 333 364 319 62 138 67 226 214
13 292 311 295 279 391 420 321 65 152 69 186 242
14 285 312 290 254 391 419 332 84 180 74 142 252
15 290 312 284 261 419 408 278 89 173 69 139 249
16 276 307 275 282 448 410 275 96 169 76 124 246
17 250 306 294 300 434 339 255 103 164 76 116 236
18 256 327 317 281 445 327 260 105 155 95 147 250
19 226 317 361 259 422 370 255 97 150 116 174 278
20 249 301 370 246 393 460 239 86 146 93 184 300
21 270 295 340 267 403 457 216 89 150 70 195 335
22 271 294 337 253 387 460 212 90 136 108 198 327
23 264 279 360 230 364 468 218 99 112 142 184 286
24 260 282 369 215 394 473 213 118 105 160 159 265
25 249 279 368 226 391 455 189 119 107 183 142 266
26 234 295 365 231 380 382 172 120 106 184 139 282
27 201 298 316 242 354 372 145 117 102 174 168 269
28 192 298 282 238 322 403 126 109 93 197 174 262
29 173 123 271 257 308 465 101 100 88 226 175 241
30 142   286 275 300 422 84 96 85 230 195 262
31 142   308   315   80 88   208   288