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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 05388250 Upper Iowa River near Dorchester, IA


Allamakee County, Iowa
Hydrologic Unit Code 07060002
Latitude  43°25'16", Longitude  91°30'31" NAD27
Drainage area 770  square miles
Gage datum 659.80 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 1938-10-01 -> 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
1 347 281 675 1,360 954 1,170 1,130 596 633 515 460 395
2 330 274 655 1,280 944 1,120 1,020 575 575 550 478 391
3 328 271 597 1,100 979 1,060 980 531 549 582 485 387
4 327 340 568 1,090 1,160 895 922 532 544 581 463 379
5 325 299 586 1,060 1,100 883 868 555 549 572 452 376
6 325 288 710 1,040 1,040 880 943 534 572 552 447 429
7 321 314 702 1,030 1,000 879 891 502 657 526 451 421
8 320 287 727 1,050 964 1,200 871 506 649 511 433 378
9 310 277 807 1,020 952 1,500 816 496 602 548 416 371
10 339 291 944 1,020 932 1,660 860 512 664 589 425 361
11 325 351 1,010 1,090 931 1,310 924 496 553 559 440 356
12 305 350 1,170 1,090 928 1,130 920 475 524 568 504 348
13 287 347 1,210 1,120 927 1,080 797 474 557 583 491 363
14 281 381 1,410 1,080 953 1,030 745 472 533 562 463 376
15 275 378 1,320 1,190 954 978 731 565 517 502 438 377
16 297 406 1,230 1,150 924 1,030 694 643 505 485 436 378
17 322 399 1,120 1,060 887 1,200 691 704 554 472 437 369
18 292 430 1,050 1,070 889 1,210 747 613 490 471 429 350
19 279 456 1,270 1,070 955 1,170 745 560 479 463 448 333
20 284 518 1,290 1,150 948 1,240 724 580 584 461 448 326
21 295 583 1,200 1,230 1,010 1,140 735 577 748 471 444 318
22 334 709 1,230 1,220 1,180 1,360 754 649 975 503 454 315
23 348 628 1,180 1,120 1,120 1,690 724 671 837 488 461 308
24 305 652 1,240 1,070 1,030 1,520 820 1,070 736 486 473 305
25 297 570 1,150 1,060 944 1,290 764 1,110 680 486 450 311
26 289 519 1,040 1,020 914 1,060 783 879 610 491 426 315
27 291 542 1,000 1,000 901 1,010 691 752 564 488 413 334
28 286 648 1,090 971 936 1,230 653 715 527 492 407 479
29 285 700 1,040 948 967 1,260 637 751 547 462 405 448
30 284   1,150 970 1,040 1,140 623 754 535 448 402 396
31 280   1,330   1,060   598 655   448   364