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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 08117705 San Bernard Rv nr Sweeny, TX


Brazoria County, Texas
Hydrologic Unit Code 12090401
Latitude  29°06'43", Longitude  95°40'36" NAD83
Drainage area 878  square miles
Contributing drainage area 878  square miles
Gage datum 0 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 2016-10-01 -> 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
1 945 997 670 170 933 878 746 496 198 382 476 525
2 1,140 863 424 135 1,510 925 547 523 117 369 554 483
3 1,210 950 330 137 1,530 745 373 412 144 260 473 400
4 1,320 1,180 310 123 1,410 932 297 466 256 228 386 274
5 1,350 865 256 109 1,210 1,780 307 687 282 194 349 211
6 1,360 630 211 166 1,070 2,520 400 412 197 151 387 160
7 1,120 516 190 115 871 2,490 403 295 137 121 362 144
8 899 440 141 275 1,220 2,310 1,310 325 172 112 452 686
9 706 341 102 282 1,420 2,150 2,050 227 179 98 298 1,060
10 782 648 96 228 1,460 2,010 2,340 153 131 89 254 862
11 832 938 103 230 1,760 1,540 2,030 125 118 70 248 642
12 731 747 94 333 1,740 1,050 1,620 103 113 85 190 635
13 583 453 83 411 1,650 1,100 1,240 85 103 87 149 738
14 468 259 76 405 1,540 966 1,050 82 195 94 102 921
15 440 180 75 272 1,620 782 851 73 116 82 89 685
16 456 140 239 173 1,550 614 665 117 72 96 92 400
17 398 102 520 132 1,380 420 499 94 101 85 48 289
18 348 100 423 120 1,600 190 408 81 154 96 41 216
19 333 116 300 116 2,490 147 327 81 133 107 73 206
20 308 109 203 132 2,380 201 686 173 240 141 60 297
21 309 106 256 124 2,000 704 1,280 169 196 332 58 286
22 352 128 920 151 1,460 874 1,080 90 426 311 60 220
23 756 156 775 228 1,380 510 602 84 710 239 156 172
24 1,200 160 479 210 1,370 463 547 70 789 208 124 146
25 1,530 112 276 190 1,360 585 808 168 676 336 229 144
26 1,770 149 179 166 1,030 707 1,050 261 618 296 660 221
27 1,520 519 167 170 695 645 1,120 181 601 268 791 495
28 1,490 949 185 185 607 685 1,310 118 579 274 556 569
29 1,550 63 379 396 738 895 1,510 115 589 193 599 493
30 1,340   319 498 756 908 1,230 292 413 137 565 394
31 1,120   238   753   637 304   174   419