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USGS Daily Statistics for Iowa

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Boating safety tips are available from the U.S. Coast Guard.

NOTE: Station Numbers for Iowa precipitation gages have changed (see list).


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 05457700 Cedar River at Charles City, IA


Floyd County, Iowa
Hydrologic Unit Code 07080201
Latitude  43°03'43.9", Longitude  92°40'25.98" NAD83
Drainage area 1,054  square miles
Gage datum 973.15 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 1964-10-01 -> 2024-09-30)

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
1 413 279 735 2,310 1,330 1,310 1,210 613 591 821 554 423
2 397 276 948 2,140 1,370 1,160 1,030 610 516 804 543 416
3 372 277 925 1,820 1,500 1,050 993 568 478 823 563 432
4 354 284 880 1,810 1,520 1,010 855 617 469 793 562 425
5 339 281 914 1,900 1,410 977 807 557 533 808 527 414
6 328 281 892 1,920 1,470 983 1,000 520 586 836 511 427
7 316 304 1,000 1,820 1,470 975 1,130 502 560 761 524 417
8 306 318 1,010 1,910 1,360 1,400 1,060 509 521 744 516 409
9 292 367 1,020 1,790 1,290 1,850 875 587 523 791 498 392
10 283 403 1,100 1,500 1,280 1,630 877 766 544 823 497 374
11 288 393 1,110 1,470 1,240 1,470 882 692 506 810 538 365
12 289 378 1,330 1,700 1,250 1,390 903 553 459 848 564 374
13 286 348 1,380 1,710 1,270 1,620 847 520 513 860 552 406
14 279 357 1,360 1,740 1,310 1,500 884 503 614 743 537 450
15 271 413 1,500 1,750 1,330 1,370 822 496 609 637 524 476
16 272 444 1,610 1,670 1,280 1,330 932 795 807 571 513 475
17 282 415 1,630 1,640 1,230 1,370 943 862 871 552 518 440
18 305 421 1,600 1,480 1,290 1,530 1,040 641 763 545 519 408
19 336 455 1,660 1,340 1,420 1,570 1,020 686 661 549 524 384
20 338 496 1,710 1,470 1,520 1,690 828 762 815 559 529 379
21 329 580 1,680 1,620 1,400 1,520 784 673 922 575 539 372
22 335 614 1,610 1,540 1,390 1,390 773 656 1,140 568 573 367
23 347 608 1,610 1,430 1,370 1,550 781 681 1,200 572 561 359
24 344 576 1,680 1,350 1,210 1,590 845 671 1,170 576 511 357
25 326 521 1,590 1,360 1,130 1,400 829 755 1,090 557 474 359
26 310 470 1,460 1,240 1,110 1,400 763 690 995 548 468 363
27 296 487 1,400 1,200 1,220 1,380 713 655 873 631 452 379
28 287 645 1,430 1,310 1,350 1,350 754 787 819 611 444 448
29 285 947 1,490 1,450 1,390 1,270 816 860 908 567 440 436
30 280   1,730 1,370 1,440 1,320 847 708 924 571 434 455
31 275   2,100   1,470   683 642   573   443