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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 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
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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 1983-10-01 -> 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
1 807 794 1,060 913 954 916 631 102 459 143 659 364
2 819 725 1,150 625 1,280 981 550 112 270 118 412 283
3 1,010 649 914 512 1,230 968 476 142 201 94 345 249
4 748 776 845 421 1,370 984 381 108 147 105 562 290
5 660 845 948 501 1,100 870 384 87 122 193 624 368
6 658 902 734 586 920 689 324 95 116 194 1,010 405
7 708 793 671 701 734 622 242 78 123 159 1,210 403
8 744 855 588 1,030 681 552 233 113 129 130 702 694
9 667 725 643 1,120 662 572 223 99 117 118 503 655
10 710 695 976 919 701 566 226 86 105 203 340 813
11 622 962 1,070 722 546 558 220 80 111 164 289 823
12 615 993 1,250 579 628 548 220 83 115 185 559 819
13 707 1,040 1,220 464 889 580 320 77 279 258 411 922
14 658 1,090 1,050 505 1,430 486 249 74 670 267 365 847
15 825 918 894 684 1,400 536 252 104 356 234 267 761
16 1,030 713 774 584 1,720 539 277 128 220 378 218 845
17 1,160 672 688 508 1,610 512 218 130 154 1,190 314 929
18 1,340 681 564 1,180 1,760 397 193 131 162 3,290 530 989
19 1,570 618 496 1,500 1,550 406 189 121 546 3,740 316 962
20 1,570 600 619 1,270 1,170 711 186 128 499 2,110 443 826
21 1,510 826 796 1,250 944 997 185 154 282 917 448 731
22 1,330 1,080 803 969 823 1,110 158 159 203 565 356 793
23 1,150 1,260 788 659 633 677 147 221 222 533 425 811
24 1,060 1,280 799 506 537 542 127 184 162 480 439 746
25 1,240 1,480 750 399 617 549 104 154 135 657 921 718
26 1,070 1,570 556 494 846 460 95 212 117 742 1,050 697
27 1,170 1,300 405 574 1,430 705 88 747 137 926 737 942
28 1,130 1,140 397 778 2,590 644 73 1,860 128 703 616 952
29 1,090 1,200 802 668 2,700 626 75 3,710 176 690 491 960
30 1,180   962 635 1,920 675 67 2,160 198 729 425 905
31 885   1,130   1,290   85 1,020   656   843