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USGS Daily Statistics for Kansas

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Historic (pre-2007) gage-height data may contain erroneous values, such as pressure sensors encased in ice, even if they are flagged as approved. These data are made available to the public, but data users are cautioned to carefully screen the data and contact the USGS Kansas Water Science Center if they have questions or concerns about specific values.

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 07182250 COTTONWOOD R NR PLYMOUTH, KS


Chase County, Kansas
Hydrologic Unit Code 11070203
Latitude  38°23'51", Longitude  96°21'21" NAD27
Drainage area 1,740  square miles
Contributing drainage area 1,740  square miles
Gage datum 1,109.32 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 1963-10-01 -> 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
1 353 608 862 1,320 1,680 1,710 1,030 795 588 503 1,240 378
2 313 634 804 1,340 1,450 1,720 838 663 475 487 1,890 384
3 326 520 834 1,320 1,320 1,750 1,030 705 339 552 1,310 353
4 330 608 973 1,180 1,170 1,830 1,280 828 275 579 999 379
5 350 564 1,100 1,180 1,220 2,530 1,530 677 354 775 674 420
6 351 494 995 1,220 1,170 2,070 1,540 556 423 603 480 396
7 336 442 1,030 1,160 1,650 1,600 1,460 476 287 701 412 399
8 332 395 804 1,170 2,250 1,570 1,150 454 239 626 386 354
9 307 382 790 1,070 2,790 2,460 1,040 501 403 821 505 383
10 317 375 846 918 2,470 2,860 1,100 657 523 1,370 548 395
11 305 353 938 1,040 1,700 2,590 1,040 557 453 1,730 501 376
12 281 404 849 1,030 1,360 2,270 831 469 449 1,320 502 348
13 265 437 844 935 1,510 2,100 678 441 622 917 427 383
14 263 462 940 940 1,430 1,930 579 403 578 788 356 454
15 269 491 820 1,050 1,280 2,010 627 384 599 629 455 531
16 308 478 747 1,010 1,130 2,030 741 521 477 489 483 551
17 372 497 926 896 1,370 1,820 739 507 380 540 645 451
18 429 580 1,270 872 1,340 1,500 557 442 316 518 602 336
19 438 528 1,350 1,030 1,240 1,530 587 325 339 491 648 333
20 381 440 1,130 1,050 1,210 1,470 604 324 417 371 628 427
21 372 566 976 1,080 1,670 1,480 795 304 552 280 527 417
22 345 705 984 1,050 1,960 1,530 901 402 625 261 505 374
23 353 810 1,030 1,150 1,930 1,730 900 645 582 254 367 344
24 374 955 1,270 1,240 1,950 1,740 836 596 684 265 297 433
25 384 1,080 1,330 1,110 2,140 1,630 919 556 709 269 306 525
26 360 975 1,150 1,150 2,150 1,370 777 713 630 251 307 479
27 355 846 935 1,840 2,550 1,420 769 755 758 302 295 486
28 338 733 953 1,920 2,290 1,370 639 652 714 283 309 459
29 346 448 1,080 1,780 1,940 1,010 565 497 555 280 291 404
30 501   1,350 1,640 1,580 1,040 779 436 635 351 311 382
31 529   1,370   1,420   877 659   416   410