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USGS Daily Statistics for Iowa

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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 05451500 Iowa River at Marshalltown, IA


Marshall County, Iowa
Hydrologic Unit Code 07080208
Latitude  42°03'57", Longitude  92°54'27" NAD27
Drainage area 1,532  square miles
Gage datum 853.10 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for 97 - 100 years of record in, ft3/s   (Calculation Period 1902-10-01 -> 2018-09-30)

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
1 420 345 965 2,080 1,410 1,960 1,870 731 575 648 599 455
2 399 376 998 1,930 1,470 2,080 1,730 740 520 600 596 443
3 375 369 1,050 1,860 1,500 2,070 1,600 686 490 585 569 431
4 355 343 1,200 1,820 1,500 2,210 1,520 631 454 616 556 421
5 371 364 1,320 1,780 1,510 2,140 1,390 606 424 600 539 419
6 435 388 1,290 1,740 1,520 1,910 1,310 579 421 619 527 433
7 399 413 1,330 1,660 1,530 1,830 1,230 559 397 569 532 420
8 369 400 1,300 1,550 1,540 1,820 1,220 552 461 559 526 409
9 346 408 1,280 1,540 1,500 2,010 1,410 565 488 566 538 392
10 334 436 1,310 1,510 1,480 2,010 1,510 582 478 553 535 392
11 313 459 1,400 1,480 1,410 1,890 1,350 581 461 561 538 387
12 306 426 1,540 1,510 1,410 1,890 1,270 611 473 592 551 381
13 298 460 1,710 1,570 1,500 2,190 1,190 555 482 569 542 413
14 285 492 1,800 1,550 1,520 2,170 1,160 530 518 561 521 484
15 275 514 1,800 1,580 1,440 2,100 1,110 550 511 562 517 530
16 283 624 1,810 1,600 1,420 2,040 1,000 628 535 545 511 492
17 294 638 1,840 1,640 1,380 2,080 971 650 560 521 513 454
18 312 727 1,760 1,680 1,380 2,050 1,040 562 515 513 510 427
19 317 858 1,940 1,630 1,490 2,050 1,020 520 554 513 512 406
20 326 1,040 2,010 1,540 1,620 1,990 1,010 590 627 509 523 390
21 344 1,070 1,910 1,520 1,550 1,940 937 615 667 500 518 384
22 355 1,000 1,750 1,450 1,510 2,080 881 604 587 511 510 377
23 351 1,020 1,690 1,420 1,580 2,150 841 604 573 562 503 372
24 331 1,070 1,680 1,400 1,570 2,100 826 587 572 561 488 381
25 315 997 1,740 1,400 1,590 2,000 803 567 589 535 468 386
26 312 967 1,730 1,510 1,660 1,860 816 653 648 508 458 398
27 313 942 1,850 1,580 1,850 1,760 840 688 652 489 467 393
28 319 1,020 1,820 1,490 1,870 1,790 876 657 659 478 473 421
29 298 1,080 1,810 1,390 1,840 1,770 813 645 641 478 472 416
30 303   1,810 1,400 1,990 1,850 759 676 670 512 463 399
31 334   2,030   2,000   731 624   565   431