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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 07346045 Black Cypress Bayou at Jefferson, TX


Marion County, Texas
Hydrologic Unit Code 11140306
Latitude  32°46'40", Longitude  94°21'26" NAD27
Drainage area 365  square miles
Contributing drainage area 365  square miles
Gage datum 171.49 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 1968-10-01 -> 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
1 606 476 678 633 640 291 157 68 27 46 138 360
2 532 484 702 624 605 291 190 64 28 41 147 353
3 489 506 741 613 560 278 190 64 35 37 177 367
4 466 551 728 576 535 287 165 82 37 36 200 393
5 443 574 702 542 595 300 148 103 37 47 201 389
6 442 555 683 512 686 317 143 99 39 57 191 377
7 461 530 678 486 674 335 141 85 40 71 172 373
8 464 509 700 472 645 354 134 70 39 95 169 370
9 465 496 782 467 607 376 123 57 38 97 193 362
10 467 491 894 464 567 403 116 45 38 97 193 358
11 466 511 949 485 575 420 109 39 36 87 181 367
12 453 547 967 497 554 395 117 36 34 87 180 397
13 433 610 907 489 487 345 115 35 38 96 186 405
14 432 617 786 481 449 312 106 38 44 125 189 432
15 445 639 711 475 437 287 100 36 51 215 198 462
16 467 670 694 491 434 251 102 33 53 265 206 498
17 486 710 690 527 429 223 95 30 64 226 208 564
18 491 731 675 519 457 211 93 27 75 177 212 625
19 481 679 646 513 496 194 84 27 77 137 204 622
20 470 601 653 486 508 188 73 27 75 118 195 559
21 491 563 679 448 483 180 64 27 79 110 193 489
22 501 583 679 432 487 175 63 29 82 117 201 439
23 500 613 652 442 463 170 62 29 78 128 219 407
24 514 655 609 482 404 167 57 27 74 138 233 406
25 525 721 572 598 356 163 56 25 71 158 252 432
26 528 739 536 591 327 160 51 25 66 161 263 462
27 514 740 512 605 298 176 44 24 62 153 279 530
28 489 715 587 602 272 180 47 21 60 137 310 657
29 487 453 670 631 248 152 75 19 57 126 351 665
30 487   638 658 235 144 74 20 52 124 363 669
31 482   652   263   74 24   130   678