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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 44 - 45 years of record in, ft3/s   (Calculation Period 1972-10-01 -> 2017-09-30)

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
1 235 215 608 1,590 1,590 1,440 1,540 592 486 482 407 418
2 239 212 640 1,590 1,600 1,420 1,620 544 458 491 413 398
3 239 215 669 1,580 1,600 1,400 1,480 511 417 490 428 385
4 235 212 685 1,590 1,620 1,350 1,290 484 374 490 441 373
5 230 207 698 1,570 1,580 1,330 1,150 468 345 503 450 355
6 224 208 739 1,540 1,530 1,320 1,060 453 340 509 435 349
7 217 203 822 1,530 1,510 1,310 1,030 464 327 494 417 338
8 218 202 915 1,520 1,510 1,310 1,010 461 326 514 404 327
9 217 204 863 1,500 1,540 1,300 1,020 459 321 541 404 321
10 206 220 844 1,480 1,520 1,280 1,060 454 318 551 414 316
11 204 239 865 1,470 1,490 1,290 1,120 452 317 545 421 317
12 204 251 934 1,520 1,490 1,360 1,180 455 306 531 433 326
13 201 282 996 1,590 1,510 1,500 1,250 460 307 517 456 335
14 201 316 1,080 1,690 1,530 1,540 1,230 480 317 501 465 340
15 200 335 1,180 1,730 1,500 1,640 1,240 470 375 489 467 347
16 200 349 1,330 1,700 1,480 1,720 1,240 447 429 469 461 357
17 202 377 1,400 1,650 1,450 1,920 1,230 426 493 453 451 363
18 206 400 1,370 1,590 1,410 2,100 1,150 425 537 446 455 360
19 215 432 1,320 1,550 1,370 2,050 1,060 440 607 441 462 348
20 228 483 1,300 1,550 1,330 1,960 987 443 598 444 473 331
21 237 524 1,320 1,580 1,320 1,920 910 426 560 447 489 317
22 234 544 1,380 1,610 1,350 1,900 866 414 539 447 498 308
23 225 553 1,390 1,630 1,360 1,910 842 453 511 450 499 289
24 218 554 1,410 1,610 1,360 1,990 824 466 514 460 481 275
25 210 549 1,400 1,600 1,370 2,030 816 475 527 466 462 272
26 202 524 1,380 1,590 1,350 1,960 808 483 538 468 451 276
27 201 530 1,400 1,560 1,390 1,840 785 499 542 458 442 271
28 204 543 1,470 1,570 1,410 1,730 736 479 519 444 438 268
29 209 743 1,530 1,660 1,420 1,610 696 476 487 429 436 250
30 214   1,570 1,620 1,450 1,550 661 468 470 415 431 236
31 213   1,570   1,460   630 481   409   233