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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 05457505 Cedar River at Osage, IA


Mitchell County, Iowa
Hydrologic Unit Code 07080201
Latitude  43°17'00.5", Longitude  92°51'09.0" NAD83
Drainage area 839  square miles
Gage datum 1,050.97 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 2009-10-01 -> 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
1 347 291 925 2,620 1,310 1,550 1,090 675 307 670 491 389
2 322 269 740 1,860 1,420 1,280 970 560 306 659 441 382
3 310 262 619 1,360 1,330 1,090 820 481 280 608 406 369
4 282 260 526 1,210 1,250 943 731 437 283 595 380 363
5 275 260 502 1,150 1,570 888 652 465 273 691 367 351
6 284 261 685 1,100 1,810 802 631 482 244 665 360 358
7 287 246 1,150 1,060 1,680 761 595 403 238 587 347 375
8 286 230 1,240 1,110 1,370 743 552 373 267 607 337 374
9 247 210 1,100 1,130 1,140 725 532 355 484 569 323 363
10 244 235 1,190 1,680 1,160 816 501 333 430 511 314 364
11 250 234 1,180 1,950 1,130 845 484 330 376 471 316 346
12 241 234 933 1,450 1,050 1,050 478 351 322 481 306 317
13 249 254 752 1,170 1,070 1,400 455 323 286 450 379 307
14 260 298 667 1,010 1,020 1,040 655 316 264 417 625 557
15 255 391 671 1,020 932 1,170 664 286 253 412 628 1,060
16 249 397 879 917 874 1,370 1,460 290 252 408 546 1,010
17 249 409 1,470 861 895 2,030 1,350 285 275 385 480 789
18 249 546 1,670 804 1,450 2,540 1,030 302 282 371 506 618
19 248 596 1,550 850 1,760 2,980 839 355 287 353 501 515
20 254 836 1,560 1,090 2,640 2,930 662 340 283 342 494 450
21 278 1,390 2,030 1,260 2,090 2,160 608 300 276 330 457 413
22 477 1,380 1,800 1,140 1,490 2,580 1,100 286 268 315 439 377
23 620 1,090 2,370 1,130 1,310 4,170 838 290 597 316 416 379
24 566 917 2,280 1,160 1,200 3,190 782 283 1,990 317 398 384
25 450 767 1,470 1,150 1,070 2,200 952 268 3,350 306 400 379
26 390 671 1,260 1,110 1,190 1,740 799 256 1,960 855 381 380
27 351 626 1,320 1,270 1,340 1,540 802 245 1,340 1,580 408 384
28 332 683 1,640 1,180 1,450 1,360 1,060 246 1,060 1,090 447 395
29 311 1,530 1,870 1,170 1,390 1,280 1,520 291 929 803 449 372
30 307   2,310 1,220 1,220 1,270 1,230 304 770 644 423 370
31 301   2,590   1,120   850 288   547   361