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 08068090 W Fk San Jacinto Rv abv Lk Houston nr Porter, TX


Montgomery County, Texas
Hydrologic Unit Code 12040101
Latitude  30°08'28.2", Longitude  95°20'17.6" NAD83
Drainage area 962  square miles
Contributing drainage area 962  square miles
Gage datum 0 feet above NAVD88
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 1983-10-01 -> 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
1 768 790 1,010 867 1,270 1,190 603 125 450 141 643 355
2 779 715 1,090 596 1,820 1,230 525 130 281 116 403 277
3 959 669 869 489 2,930 1,150 457 151 203 93 341 244
4 712 844 812 403 3,210 1,050 380 116 148 103 554 278
5 650 1,000 921 479 2,140 935 385 92 123 189 637 352
6 651 1,080 713 565 1,630 729 323 97 120 190 1,020 386
7 686 856 642 669 1,120 655 237 80 125 156 1,180 384
8 713 863 563 978 909 578 354 114 129 128 688 658
9 642 731 642 1,060 851 578 394 100 117 116 493 622
10 750 701 952 973 822 557 297 87 105 199 346 771
11 637 966 1,020 783 619 547 288 81 111 160 287 780
12 611 1,000 1,190 627 650 548 286 84 115 181 547 776
13 688 1,090 1,160 480 899 574 348 77 274 252 403 873
14 635 1,130 995 502 1,420 542 269 75 653 261 357 804
15 788 935 851 666 1,390 666 268 104 348 229 262 730
16 983 718 737 571 1,710 684 290 128 216 368 214 813
17 1,100 666 655 498 1,780 609 225 129 152 1,150 309 885
18 1,270 671 538 1,130 2,000 467 195 129 160 3,200 523 942
19 1,480 636 474 1,430 1,890 453 193 120 533 3,640 311 914
20 1,490 602 589 1,210 1,380 708 187 127 486 2,050 433 784
21 1,430 799 759 1,240 990 959 184 152 276 892 438 694
22 1,270 1,030 820 964 823 1,060 180 157 199 551 348 752
23 1,220 1,210 798 665 632 650 276 217 218 519 415 769
24 1,330 1,220 792 516 534 521 469 181 159 468 428 709
25 1,780 1,410 739 430 603 532 390 151 134 640 897 718
26 2,000 1,500 552 508 817 452 337 207 116 722 1,030 690
27 1,930 1,240 402 569 1,390 675 259 728 135 901 717 916
28 1,520 1,090 387 754 2,500 617 162 1,810 126 684 600 923
29 1,230 1,070 766 694 2,670 599 148 3,610 173 672 478 923
30 1,200   915 879 1,910 646 122 2,100 194 710 414 869
31 900   1,070   1,490   116 994   639   805