Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
Click to hideNews Bulletins

USGS Daily Statistics for Iowa

Click to hide state-specific text

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 05471050 South Skunk River at Colfax, IA


Jasper County, Iowa
Hydrologic Unit Code 07080105
Latitude  41°40'54.5", Longitude  93°14'48.6" NAD83
Drainage area 803  square miles
Gage datum 770.00 feet above NAVD88
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 1985-10-01 -> 2024-09-30)

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
1 278 205 489 890 1,080 1,450 1,360 477 653 373 382 313
2 280 204 511 850 1,110 1,380 1,310 404 650 451 353 323
3 262 208 540 760 1,070 1,250 1,130 385 547 481 337 308
4 245 230 564 743 1,090 1,220 1,070 400 471 444 344 289
5 239 224 586 708 1,140 1,260 1,020 375 419 428 338 276
6 235 216 606 679 1,090 1,270 1,080 337 406 405 345 264
7 229 217 591 676 1,100 1,220 1,000 321 459 387 348 257
8 229 228 647 659 1,140 1,240 884 321 441 381 330 252
9 223 248 726 717 1,180 1,210 923 452 392 428 308 245
10 210 297 852 754 1,300 1,210 960 635 367 468 294 240
11 207 331 909 722 1,210 1,250 1,020 794 349 494 282 238
12 200 280 918 772 1,150 1,360 1,130 754 397 526 285 238
13 191 242 1,110 855 1,310 1,430 1,130 850 363 498 288 279
14 197 249 1,230 832 1,250 1,460 951 931 316 496 304 392
15 189 288 1,260 877 1,110 1,600 817 715 279 504 297 427
16 192 325 1,190 884 1,040 1,620 750 594 281 482 300 438
17 215 323 1,050 818 1,070 1,550 721 546 313 437 357 416
18 201 382 971 829 1,120 1,620 738 523 348 409 338 357
19 196 488 942 843 1,070 1,750 745 600 346 434 307 314
20 199 568 908 856 1,110 1,780 781 590 342 418 298 296
21 214 573 859 889 1,220 1,630 714 614 395 381 294 287
22 222 555 801 895 1,250 1,610 631 529 390 383 291 277
23 219 494 770 941 1,250 1,490 571 460 415 406 284 277
24 207 464 794 891 1,320 1,420 564 451 428 440 273 279
25 198 425 828 906 1,520 1,360 617 386 456 400 266 285
26 200 390 807 1,020 1,680 1,380 549 382 513 376 256 287
27 194 413 781 1,180 1,700 1,340 494 452 464 353 287 290
28 189 503 747 1,200 1,610 1,290 555 385 411 333 308 335
29 185 583 709 1,130 1,510 1,210 556 496 384 328 307 326
30 183   729 1,030 1,540 1,230 592 556 363 412 314 299
31 193   827   1,550   553 546   415   274