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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 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
1 619 476 678 633 640 291 157 68 27 46 135 354
2 546 484 702 624 605 291 190 64 28 41 144 348
3 503 509 741 613 560 278 190 64 35 37 174 361
4 478 556 728 576 535 287 165 82 37 36 196 387
5 452 580 702 542 595 300 148 103 37 47 199 383
6 448 562 683 512 686 317 143 99 39 57 190 371
7 463 535 678 486 674 335 141 85 40 71 172 368
8 463 512 700 472 645 354 134 70 39 95 168 365
9 463 496 782 467 607 376 123 57 38 97 193 357
10 465 489 894 464 567 403 116 45 38 97 193 353
11 465 508 949 485 575 420 109 39 36 87 181 362
12 452 546 967 497 554 395 117 36 34 87 179 391
13 432 610 907 489 487 345 115 35 38 96 185 400
14 433 616 786 481 449 312 106 38 44 125 187 426
15 446 640 711 475 437 287 100 36 51 215 196 455
16 469 676 694 491 434 251 102 33 53 260 203 492
17 487 719 690 527 429 223 95 30 64 222 206 556
18 492 742 675 519 457 211 93 27 75 174 210 616
19 480 679 646 513 496 194 84 27 77 135 202 614
20 468 601 653 486 508 188 73 27 75 116 193 552
21 487 563 679 448 483 180 64 27 79 108 191 484
22 496 583 679 432 487 175 63 29 82 115 199 434
23 494 613 652 442 463 170 62 29 78 126 216 403
24 509 655 609 482 404 167 57 27 74 135 230 402
25 519 721 572 598 356 163 56 25 71 155 249 427
26 522 739 536 591 327 160 51 25 66 158 259 457
27 508 740 512 605 298 176 44 24 62 150 275 525
28 484 715 587 602 272 180 47 21 60 135 306 651
29 482 453 670 631 248 152 75 19 57 124 346 665
30 484   638 658 235 144 74 20 52 121 358 673
31 481   652   263   74 24   128   684