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


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Surface-Water 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
1 278 205 489 902 1,080 1,460 1,380 451 667 373 382 313
2 280 204 511 861 1,110 1,380 1,320 389 664 451 353 323
3 262 208 540 769 1,050 1,250 1,140 376 559 481 337 308
4 245 230 564 752 1,070 1,220 1,070 395 481 444 344 289
5 239 224 586 717 1,120 1,260 1,020 372 428 428 338 276
6 235 216 606 688 1,070 1,280 1,090 335 414 405 345 264
7 229 217 591 686 1,060 1,220 1,010 320 469 387 348 257
8 229 228 647 668 1,070 1,260 876 321 450 381 330 252
9 223 248 726 727 1,120 1,220 911 456 400 428 308 245
10 210 297 852 766 1,230 1,230 958 646 375 468 294 240
11 207 331 909 733 1,160 1,270 1,020 809 356 494 282 238
12 200 280 918 785 1,120 1,380 1,140 768 406 526 285 238
13 191 242 1,110 870 1,300 1,450 1,150 866 371 498 288 279
14 197 249 1,230 847 1,240 1,490 964 950 323 496 304 392
15 189 288 1,260 893 1,100 1,630 827 726 284 504 297 427
16 192 325 1,190 901 1,030 1,650 757 604 287 482 300 438
17 215 323 1,050 829 1,070 1,570 727 554 320 437 357 416
18 201 382 994 836 1,120 1,650 743 532 356 409 338 357
19 196 488 964 849 1,070 1,770 754 612 353 434 307 314
20 199 568 930 864 1,110 1,800 792 601 349 418 298 296
21 214 573 880 898 1,160 1,650 724 627 403 381 294 287
22 222 555 819 907 1,150 1,640 640 539 398 383 291 277
23 219 494 787 954 1,160 1,520 577 469 424 406 284 277
24 207 464 812 904 1,260 1,440 570 460 437 440 273 279
25 198 425 844 921 1,480 1,390 626 393 466 400 266 285
26 200 390 808 1,040 1,650 1,400 556 390 525 376 256 287
27 194 413 771 1,190 1,680 1,370 501 461 474 353 287 290
28 189 503 743 1,210 1,600 1,310 564 393 421 333 308 335
29 185 583 710 1,140 1,500 1,220 563 506 393 328 307 326
30 183   733 1,030 1,540 1,240 557 567 372 412 314 299
31 193   836   1,560   504 556   415   274