Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

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 08067650 W Fk San Jacinto Rv bl Lk Conroe nr Conroe, TX


Montgomery County, Texas
Hydrologic Unit Code 12040101
Latitude  30°20'31", Longitude  95°32'34" NAD27
Drainage area 451  square miles
Contributing drainage area 451  square miles
Gage datum 116.06 feet above NGVD29
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 1973-10-01 -> 2024-09-30)

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
1 492 514 611 588 940 651 207 85 236 175 411 187
2 493 463 551 507 2,150 709 184 132 246 156 327 133
3 447 558 402 459 785 669 157 79 154 127 350 111
4 433 642 375 407 715 696 175 48 113 177 341 139
5 461 682 398 429 603 598 122 34 121 218 271 156
6 468 641 340 509 486 572 105 33 113 207 236 211
7 503 573 339 651 470 586 135 34 108 178 239 264
8 481 589 353 746 520 501 141 36 106 140 297 509
9 378 591 410 705 572 505 94 37 101 126 330 561
10 305 546 597 503 478 546 78 40 88 125 339 638
11 310 633 688 426 518 552 85 43 87 110 340 627
12 338 667 704 309 720 485 65 43 91 77 401 568
13 382 646 638 229 740 439 91 38 138 77 980 583
14 406 602 602 276 767 403 102 38 188 83 1,480 528
15 539 517 511 347 982 389 139 49 187 116 1,030 543
16 550 525 485 345 1,080 347 219 50 203 159 593 716
17 590 525 418 373 971 325 190 100 192 1,450 434 799
18 762 465 512 677 895 266 144 172 204 2,230 382 640
19 880 372 422 809 986 339 120 100 304 1,430 325 625
20 851 365 419 883 919 428 110 64 372 819 280 635
21 795 477 421 919 858 376 94 62 330 559 266 569
22 778 540 351 853 858 329 86 78 331 520 269 575
23 868 571 445 635 836 249 85 70 329 549 228 634
24 1,130 624 575 567 710 189 61 88 342 455 313 585
25 1,260 641 532 489 833 205 51 100 224 331 375 500
26 1,090 532 407 472 933 236 32 122 221 267 349 423
27 885 536 413 486 1,220 247 61 679 190 212 345 577
28 723 539 477 442 1,790 273 90 3,520 230 253 365 770
29 615 473 714 413 1,290 260 86 2,130 202 326 328 659
30 594   805 810 875 240 84 632 243 459 253 509
31 547   705   741   58 335   404   503