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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 06605850 Little Sioux River at Linn Grove, IA


Buena Vista County, Iowa
Hydrologic Unit Code 10230003
Latitude  42°53'45", Longitude  95°14'35" NAD27
Drainage area 1,548  square miles
Gage datum 1,223.60 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 water year of record in, ft3/s   (Calculation Period 1972-10-01 -> 2021-09-30)

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
1 304 229 597 1,710 1,670 1,610 1,720 599 487 554 459 445
2 292 226 632 1,700 1,670 1,570 1,770 550 460 561 462 432
3 288 228 668 1,680 1,670 1,540 1,610 517 421 573 473 418
4 287 224 704 1,680 1,680 1,470 1,440 489 384 584 484 406
5 282 219 736 1,650 1,650 1,440 1,320 474 382 605 492 390
6 272 219 781 1,610 1,610 1,410 1,230 464 390 617 479 382
7 262 214 866 1,590 1,590 1,390 1,180 472 381 612 464 366
8 259 212 956 1,580 1,580 1,390 1,140 466 383 647 452 352
9 255 213 908 1,560 1,600 1,360 1,140 462 378 685 450 348
10 238 227 889 1,540 1,580 1,350 1,160 455 367 708 457 343
11 231 244 906 1,540 1,550 1,350 1,190 451 357 709 461 340
12 233 253 968 1,580 1,560 1,410 1,230 452 341 698 465 348
13 231 282 1,030 1,650 1,590 1,530 1,280 455 338 683 481 357
14 230 314 1,140 1,740 1,630 1,570 1,260 471 344 660 489 361
15 230 331 1,370 1,790 1,610 1,680 1,270 461 393 634 492 367
16 231 343 1,750 1,760 1,580 1,750 1,280 440 439 600 487 377
17 232 369 1,870 1,710 1,550 1,910 1,260 423 494 574 477 382
18 232 391 1,740 1,670 1,520 2,060 1,190 427 532 557 480 379
19 236 421 1,730 1,630 1,480 2,020 1,100 444 604 543 484 367
20 245 467 1,660 1,630 1,450 1,940 1,020 448 645 538 494 352
21 254 505 1,570 1,650 1,440 1,930 942 440 836 535 508 339
22 253 525 1,580 1,680 1,470 1,950 898 435 922 534 517 328
23 244 535 1,560 1,710 1,480 2,030 870 477 823 538 518 309
24 237 538 1,560 1,700 1,480 2,170 842 494 740 546 502 295
25 229 538 1,540 1,700 1,490 2,230 825 496 707 548 485 291
26 221 517 1,500 1,700 1,480 2,150 811 496 686 545 472 296
27 220 523 1,520 1,670 1,520 2,100 783 514 666 530 455 303
28 223 535 1,580 1,670 1,550 2,010 734 498 627 513 450 320
29 225 779 1,630 1,740 1,580 1,870 707 496 582 492 453 315
30 229   1,680 1,700 1,650 1,780 670 483 553 475 453 314
31 227   1,690   1,660   638 489   465   313