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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 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 2,010 1,660 1,340 1,590 944 537 470 476 532 749 1,090
2 1,570 2,060 1,730 1,300 1,620 897 520 509 519 499 773 1,070
3 1,570 2,060 1,740 1,290 1,680 874 526 513 541 459 785 1,040
4 1,550 2,030 1,780 1,330 1,660 859 502 536 524 472 735 1,090
5 1,570 2,010 1,820 1,410 1,680 865 479 531 543 487 711 1,110
6 1,570 1,970 1,790 1,480 1,640 902 517 520 569 476 675 1,100
7 1,580 1,980 1,740 1,450 1,590 929 509 484 581 426 634 1,160
8 1,630 1,920 1,680 1,440 1,490 901 464 456 560 381 640 1,160
9 1,690 1,860 1,600 1,420 1,400 855 462 419 534 365 646 1,210
10 1,730 1,840 1,540 1,440 1,400 844 452 392 544 382 620 1,230
11 1,710 1,930 1,530 1,530 1,410 823 449 380 568 398 593 1,300
12 1,700 2,020 1,490 1,540 1,410 759 463 346 612 448 603 1,320
13 1,670 2,090 1,440 1,600 1,400 706 448 345 661 499 644 1,380
14 1,670 2,070 1,410 1,710 1,360 690 438 334 673 544 686 1,450
15 1,660 2,050 1,420 1,690 1,350 672 462 304 659 543 717 1,550
16 1,640 2,120 1,440 1,620 1,330 674 468 290 652 563 675 1,570
17 1,650 2,090 1,510 1,570 1,290 645 465 359 637 588 634 1,600
18 1,660 2,050 1,560 1,540 1,240 629 483 360 627 596 629 1,580
19 1,660 1,980 1,580 1,550 1,250 590 503 359 592 574 667 1,590
20 1,660 1,900 1,510 1,510 1,260 619 519 368 586 562 680 1,600
21 1,620 1,860 1,460 1,570 1,250 597 543 368 626 545 692 1,600
22 1,620 1,840 1,450 1,580 1,230 579 539 361 632 538 734 1,610
23 1,720 1,810 1,460 1,590 1,220 561 549 367 613 542 772 1,590
24 1,680 1,790 1,470 1,560 1,200 540 519 358 621 551 775 1,600
25 1,830 1,790 1,450 1,530 1,160 534 510 390 628 554 804 1,630
26 1,950 1,760 1,400 1,510 1,130 531 504 409 612 589 853 1,630
27 1,990 1,770 1,390 1,480 1,090 544 494 440 611 601 887 1,580
28 1,980 1,670 1,380 1,460 1,010 574 479 469 594 620 974 1,600
29 1,960 1,440 1,350 1,430 988 572 464 483 562 618 1,030 1,630
30 2,030   1,410 1,510 969 549 436 461 522 632 1,050 1,630
31 1,990   1,370   954   463 469   698   1,630