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USGS Daily Statistics for the Nation

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 1,140 596 633 511 457 393
2 332 276 648 1,270 962 1,110 1,020 575 575 545 474 391
3 330 273 591 1,100 993 1,050 983 531 549 576 483 388
4 329 339 563 1,090 1,170 890 925 532 544 575 464 381
5 327 299 606 1,060 1,110 878 869 555 549 566 452 374
6 327 288 721 1,040 1,050 875 944 534 572 547 446 428
7 322 313 704 1,030 1,010 873 892 502 657 521 449 422
8 321 288 726 1,040 967 1,180 871 506 649 506 431 379
9 311 276 804 1,020 954 1,480 816 496 602 543 415 372
10 338 290 937 1,010 933 1,640 860 512 657 583 423 362
11 324 349 1,000 1,080 931 1,290 924 496 549 554 438 355
12 304 347 1,160 1,080 927 1,120 920 475 520 562 501 343
13 286 344 1,190 1,100 925 1,070 797 474 552 577 488 360
14 280 377 1,390 1,070 950 1,020 745 472 529 556 461 374
15 274 375 1,300 1,180 951 971 731 565 512 497 436 377
16 296 404 1,220 1,130 920 1,030 694 643 501 480 434 379
17 320 396 1,110 1,050 883 1,190 691 704 549 467 435 370
18 290 426 1,040 1,060 884 1,200 747 613 486 467 427 350
19 278 451 1,260 1,060 949 1,160 745 560 476 459 447 333
20 285 512 1,270 1,140 942 1,230 724 580 578 456 448 325
21 294 577 1,180 1,230 1,000 1,130 735 577 739 466 443 316
22 334 701 1,210 1,220 1,170 1,350 754 649 963 498 455 314
23 349 622 1,160 1,140 1,120 1,670 724 671 827 484 461 309
24 307 645 1,230 1,090 1,030 1,500 820 1,070 728 481 473 306
25 299 565 1,140 1,080 945 1,280 764 1,110 673 481 450 311
26 291 516 1,030 1,040 913 1,060 783 879 604 487 425 315
27 293 538 992 1,020 899 1,020 691 752 559 483 413 334
28 288 643 1,070 986 932 1,250 653 715 522 487 406 485
29 288 700 1,030 962 962 1,280 637 751 543 458 404 454
30 287   1,130 984 1,030 1,150 623 754 531 445 403 401
31 283   1,310   1,050   598 655   446   369