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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 45 - 46 years of record in, ft3/s   (Calculation Period 1972-10-01 -> 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
1 234 215 600 1,590 1,590 1,440 1,540 583 492 479 416 418
2 239 211 633 1,590 1,600 1,420 1,620 536 463 487 421 398
3 239 214 664 1,580 1,600 1,400 1,480 504 421 489 435 385
4 234 212 689 1,590 1,620 1,350 1,290 477 378 496 448 374
5 229 206 714 1,570 1,580 1,330 1,150 461 348 518 456 356
6 224 207 760 1,540 1,530 1,320 1,060 447 342 528 441 349
7 217 203 842 1,530 1,510 1,310 1,030 457 328 518 423 335
8 218 202 935 1,520 1,510 1,310 1,010 454 327 547 410 324
9 217 204 885 1,500 1,540 1,300 1,020 452 322 580 409 320
10 207 220 865 1,480 1,520 1,280 1,060 447 318 597 418 317
11 205 238 879 1,470 1,490 1,290 1,120 445 316 598 424 318
12 204 249 943 1,520 1,490 1,360 1,170 448 305 588 435 327
13 201 280 1,000 1,590 1,510 1,500 1,230 453 305 572 459 335
14 201 314 1,080 1,690 1,530 1,540 1,220 472 315 550 467 340
15 200 332 1,190 1,730 1,500 1,640 1,220 463 372 533 469 348
16 200 346 1,340 1,700 1,480 1,720 1,220 441 424 508 464 357
17 202 373 1,420 1,650 1,450 1,920 1,220 422 487 487 453 363
18 205 395 1,390 1,590 1,410 2,100 1,140 422 530 475 457 360
19 214 427 1,350 1,550 1,370 2,050 1,050 439 600 467 463 348
20 227 477 1,300 1,550 1,330 1,960 972 442 591 467 474 331
21 236 518 1,320 1,580 1,320 1,920 898 426 554 468 490 318
22 233 537 1,380 1,610 1,350 1,900 854 418 532 468 498 307
23 224 546 1,390 1,630 1,360 1,910 831 466 505 470 498 287
24 217 546 1,410 1,610 1,360 1,990 812 486 507 478 480 273
25 209 542 1,400 1,600 1,370 2,030 804 491 520 482 463 270
26 201 517 1,380 1,590 1,350 1,960 796 495 532 483 451 275
27 201 523 1,400 1,560 1,390 1,840 773 517 537 471 442 270
28 204 536 1,470 1,570 1,410 1,730 725 500 516 456 438 267
29 209 743 1,530 1,660 1,420 1,610 686 493 484 440 436 249
30 214   1,570 1,620 1,450 1,550 651 481 467 425 431 236
31 212   1,570   1,460   620 490   418   233