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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 27 - 29 years of record in, ft3/s   (Calculation Period 1983-10-01 -> 2018-09-30)

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
1 640 770 1,210 1,040 703 936 737 78 522 108 616 408
2 617 678 1,280 694 853 1,070 644 111 289 76 397 312
3 602 585 998 554 670 1,030 546 146 207 77 328 264
4 466 720 926 444 893 970 387 105 143 79 557 319
5 468 780 1,050 520 829 862 357 80 125 112 641 413
6 480 858 804 592 792 622 317 89 123 161 1,140 459
7 589 804 751 550 583 534 248 69 133 149 1,370 448
8 586 924 662 740 500 511 240 111 142 131 762 400
9 565 781 716 773 487 597 229 95 123 121 518 344
10 671 762 1,110 654 389 612 223 79 111 171 313 334
11 551 1,080 1,230 645 259 604 219 62 117 143 248 338
12 551 1,120 1,440 550 366 594 222 66 125 189 580 612
13 675 1,180 1,420 442 768 656 325 61 325 291 402 827
14 646 1,240 1,190 472 1,330 545 234 61 775 303 346 798
15 867 1,050 988 688 1,090 615 200 97 400 255 242 764
16 1,130 810 846 575 1,200 614 220 119 240 432 202 925
17 1,290 749 721 506 1,270 520 185 110 166 1,400 331 1,040
18 1,520 729 617 1,270 1,630 431 187 112 155 3,880 607 1,090
19 1,770 660 554 1,630 1,330 453 197 97 237 4,350 354 985
20 1,730 634 702 1,380 994 830 205 105 262 2,410 469 818
21 1,700 904 873 1,330 845 1,160 204 144 230 1,010 460 766
22 1,490 1,210 787 1,040 676 1,280 173 151 190 611 325 845
23 1,200 1,420 753 673 542 774 161 170 160 582 416 872
24 979 1,440 713 475 439 544 138 128 151 515 461 818
25 1,040 1,670 630 357 418 501 112 120 134 713 1,040 801
26 967 1,810 500 387 689 470 101 190 115 845 1,180 780
27 1,140 1,490 394 461 1,420 800 91 831 145 1,010 816 834
28 1,150 1,310 391 774 2,810 732 72 2,180 136 727 675 737
29 1,020 1,380 880 682 3,010 721 67 4,430 143 736 550 663
30 1,060   1,090 549 2,070 774 61 2,540 159 785 480 596
31 876   1,280   1,360   68 1,160   729   633