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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 07346000 Big Cypress Bayou nr Jefferson, TX


Marion County, Texas
Hydrologic Unit Code 11140306
Latitude  32°44'58", Longitude  94°29'55" NAD27
Drainage area 850  square miles
Contributing drainage area 850  square miles
Gage datum 180.00 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 1957-10-01 -> 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
1 824 998 1,000 1,060 823 790 549 255 82 253 274 562
2 812 984 994 1,020 809 788 539 252 80 232 280 594
3 770 977 956 1,000 820 802 547 264 80 226 296 580
4 738 940 976 990 808 794 542 279 78 226 301 574
5 734 956 1,030 985 802 740 545 280 75 212 302 559
6 770 985 1,030 983 814 670 536 295 73 201 314 554
7 799 1,000 1,050 980 800 633 504 297 69 191 339 532
8 791 1,020 1,080 961 807 607 489 280 68 187 358 509
9 788 1,010 1,100 919 828 616 473 259 67 173 356 512
10 789 1,020 1,110 876 823 620 464 234 65 154 354 530
11 778 1,040 1,110 902 840 665 459 213 64 150 367 538
12 786 1,050 1,080 961 845 700 459 206 63 153 389 538
13 787 1,060 1,050 974 799 717 469 201 62 150 396 531
14 788 1,060 1,030 932 765 727 471 193 63 153 382 553
15 784 1,050 1,010 889 752 724 467 186 65 171 388 587
16 794 1,030 1,070 883 769 720 477 182 76 201 386 600
17 786 1,000 1,160 907 794 734 482 166 91 213 391 593
18 798 1,000 1,220 920 836 756 476 141 96 209 411 575
19 794 1,020 1,240 928 848 748 481 130 94 204 425 559
20 804 1,060 1,250 941 850 743 481 125 89 200 445 560
21 851 1,070 1,260 957 853 737 474 125 90 197 459 572
22 883 1,070 1,260 947 860 738 457 122 97 212 468 591
23 906 1,050 1,220 947 872 737 438 123 111 211 476 620
24 902 1,030 1,190 963 909 712 424 121 128 225 500 691
25 896 1,020 1,150 963 940 685 384 114 157 256 518 733
26 907 1,020 1,120 939 940 651 350 112 184 303 514 771
27 907 1,010 1,110 924 912 611 313 106 182 327 507 857
28 895 1,030 1,100 922 882 585 281 99 186 326 498 893
29 915 1,120 1,090 911 850 577 266 95 199 308 485 888
30 966   1,080 875 830 575 254 89 208 285 498 876
31 1,000   1,080   813   256 84   277   853