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USGS Daily Statistics for Iowa

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


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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 -> 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
1 351 283 668 1,350 974 1,160 1,140 605 639 511 457 393
2 332 276 648 1,270 962 1,110 1,020 583 580 545 474 391
3 330 273 591 1,100 993 1,050 983 538 555 576 483 388
4 329 339 563 1,090 1,170 890 925 538 549 575 464 381
5 327 299 606 1,060 1,110 878 869 559 553 566 452 374
6 327 288 721 1,040 1,050 875 944 537 575 547 446 428
7 322 313 704 1,030 1,010 873 892 505 657 521 449 422
8 321 288 726 1,040 967 1,180 872 508 649 506 431 379
9 311 276 804 1,020 954 1,480 816 498 603 543 415 372
10 338 290 937 1,010 933 1,640 859 513 657 583 423 362
11 324 349 1,000 1,080 931 1,290 921 498 549 554 438 355
12 304 347 1,160 1,080 927 1,120 917 477 520 562 501 343
13 286 344 1,190 1,100 925 1,070 794 476 552 577 488 360
14 280 377 1,390 1,070 950 1,020 743 473 529 556 461 374
15 274 375 1,300 1,180 951 971 729 565 512 497 436 377
16 296 404 1,220 1,130 920 1,030 692 641 501 480 434 379
17 320 396 1,110 1,050 883 1,190 690 746 549 467 435 370
18 290 426 1,040 1,060 884 1,200 745 809 486 467 427 350
19 278 451 1,260 1,060 949 1,160 742 755 476 459 447 333
20 285 512 1,270 1,140 942 1,230 722 698 578 456 448 325
21 294 577 1,180 1,230 1,000 1,130 741 656 739 466 443 316
22 334 701 1,210 1,220 1,170 1,350 757 700 963 498 455 314
23 349 622 1,160 1,140 1,120 1,670 730 708 827 484 461 309
24 307 645 1,230 1,090 1,030 1,500 837 1,090 728 481 473 306
25 299 565 1,140 1,080 945 1,280 779 1,120 673 481 450 311
26 291 516 1,030 1,040 913 1,060 802 892 604 487 425 315
27 293 538 992 1,020 899 1,020 705 765 559 483 413 334
28 288 643 1,070 986 932 1,250 663 726 522 487 406 485
29 288 700 1,030 962 962 1,280 645 759 543 458 404 454
30 287   1,130 984 1,030 1,150 630 761 531 445 403 401
31 283   1,310   1,050   605 662   446   369