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
  • Notice of planned maintenance to underlying USGS network September 24-26, 2021: During this maintenance period users may experience intermittent periods of inaccessibility or delayed delivery of hydrologic data to the USGS National Water Information System (NWIS). Please email gs-w_support_nwisweb@usgs.gov with any concerns regarding impacts to data delivery.
  • Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.
  • Full News RSS icon

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°40'53", Longitude  93°14'47" NAD27
Drainage area 803  square miles
Gage datum 770.00 feet above NGVD29
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 -> 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
1 297 213 433 927 1,100 1,510 1,430 481 717 401 396 333
2 298 209 488 884 1,140 1,420 1,370 415 715 485 369 344
3 278 213 537 787 1,060 1,290 1,180 400 601 516 354 327
4 258 237 574 769 1,060 1,240 1,100 422 517 476 362 308
5 251 231 601 730 1,110 1,310 1,050 397 460 460 356 293
6 248 224 621 701 1,060 1,290 1,130 357 445 435 363 280
7 241 225 610 700 1,070 1,180 1,050 337 505 416 368 273
8 242 236 674 684 1,080 1,230 905 339 485 410 349 268
9 235 257 761 748 1,090 1,230 938 487 430 461 326 259
10 222 309 899 790 1,210 1,250 992 693 403 504 311 254
11 218 347 962 756 1,150 1,290 1,060 869 382 532 295 252
12 211 292 972 812 1,120 1,420 1,170 820 436 566 287 252
13 202 252 1,180 901 1,320 1,500 1,150 929 398 536 296 297
14 209 258 1,310 875 1,240 1,540 977 1,020 347 533 315 419
15 200 281 1,350 924 1,110 1,650 843 781 305 541 309 456
16 203 284 1,270 932 1,040 1,570 774 648 308 519 314 468
17 228 316 1,110 858 1,080 1,550 747 596 344 470 376 444
18 212 392 1,020 866 1,140 1,650 752 571 382 440 357 381
19 205 507 986 881 1,090 1,780 799 658 379 467 324 335
20 208 597 940 890 1,140 1,830 842 647 374 449 314 316
21 225 603 894 910 1,180 1,680 770 675 434 410 310 306
22 234 585 835 897 1,180 1,680 681 579 429 412 308 296
23 231 521 797 896 1,200 1,560 614 504 457 437 301 296
24 218 490 813 845 1,300 1,490 608 495 471 461 288 297
25 208 450 851 887 1,530 1,420 668 422 503 427 281 304
26 210 409 819 1,030 1,700 1,420 593 419 567 397 271 306
27 205 399 784 1,200 1,720 1,400 534 497 512 371 304 310
28 199 421 758 1,230 1,640 1,340 603 422 454 349 327 358
29 194 636 725 1,160 1,540 1,250 603 539 423 337 326 349
30 192   749 1,050 1,590 1,280 596 607 400 412 334 320
31 202   858   1,610   539 597   425   293