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USGS Daily Statistics for the Nation

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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 07382500 Bayou Courtableau at Washington, LA


St. Landry Parish, Louisiana
Hydrologic Unit Code 08080102
Latitude  30°37'05", Longitude  92°03'20" NAD27
Drainage area 715.00  square miles
Gage datum -1.05 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 1946-10-01 -> 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 1,620 2,030 1,670 1,360 1,580 945 535 470 476 532 748 1,100
2 1,570 2,080 1,730 1,320 1,610 896 517 509 519 499 772 1,070
3 1,570 2,090 1,730 1,300 1,670 871 524 513 541 459 781 1,040
4 1,550 2,060 1,780 1,330 1,650 856 500 536 524 472 731 1,090
5 1,560 2,040 1,820 1,400 1,670 860 476 531 543 487 706 1,120
6 1,570 1,990 1,790 1,490 1,630 897 514 520 569 476 677 1,120
7 1,580 2,000 1,740 1,470 1,610 922 505 484 581 426 661 1,190
8 1,630 1,920 1,680 1,460 1,520 894 460 456 560 381 667 1,180
9 1,680 1,860 1,600 1,440 1,440 848 457 419 534 365 667 1,230
10 1,730 1,840 1,540 1,450 1,440 838 452 392 544 382 660 1,240
11 1,730 1,920 1,530 1,540 1,460 819 449 380 568 398 643 1,310
12 1,720 2,020 1,490 1,540 1,460 758 461 346 612 448 657 1,330
13 1,690 2,110 1,440 1,590 1,450 713 445 345 661 499 703 1,380
14 1,690 2,090 1,400 1,690 1,400 700 436 334 673 544 751 1,450
15 1,680 2,070 1,410 1,670 1,380 681 460 304 659 543 786 1,550
16 1,650 2,140 1,430 1,600 1,350 694 467 290 652 563 744 1,570
17 1,650 2,110 1,490 1,560 1,300 669 463 359 637 588 703 1,590
18 1,660 2,060 1,550 1,520 1,250 649 484 360 627 596 691 1,570
19 1,660 1,990 1,570 1,530 1,250 604 501 359 592 574 725 1,580
20 1,650 1,910 1,500 1,500 1,260 628 516 368 586 562 737 1,590
21 1,610 1,870 1,450 1,550 1,250 604 543 368 626 545 747 1,590
22 1,610 1,850 1,430 1,570 1,230 583 539 361 632 538 787 1,600
23 1,700 1,820 1,450 1,570 1,220 563 549 367 613 542 822 1,580
24 1,670 1,810 1,450 1,560 1,200 541 519 358 621 551 821 1,580
25 1,810 1,810 1,430 1,540 1,160 534 510 390 628 554 845 1,620
26 1,930 1,780 1,380 1,520 1,120 531 504 409 612 589 886 1,620
27 1,990 1,790 1,370 1,490 1,090 543 494 440 611 601 911 1,570
28 2,000 1,690 1,360 1,460 1,020 574 479 469 594 612 989 1,590
29 1,980 1,440 1,330 1,430 1,000 570 464 483 562 610 1,040 1,630
30 2,050   1,400 1,510 979 548 436 461 522 625 1,060 1,640
31 2,010   1,370   959   463 469   690   1,640