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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 05472500 North Skunk River near Sigourney, IA


Keokuk County, Iowa
Hydrologic Unit Code 07080106
Latitude  41°18'03.04", Longitude  92°12'16.64" NAD83
Drainage area 730  square miles
Gage datum 650.69 feet above NAVD88
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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 1945-10-01 -> 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
1 236 223 626 973 930 984 745 312 302 235 306 317
2 241 232 585 841 888 946 761 278 356 215 420 315
3 253 243 603 789 853 867 793 277 303 263 409 257
4 247 321 721 751 788 761 762 272 253 258 337 234
5 263 308 814 729 747 739 771 357 233 264 335 250
6 286 276 784 707 693 746 824 463 315 310 281 251
7 372 266 774 632 795 807 859 408 347 311 242 246
8 361 294 816 610 864 806 705 331 319 263 218 248
9 300 301 776 571 885 803 625 372 323 288 209 221
10 245 316 844 568 906 805 637 440 370 333 247 205
11 213 321 875 660 928 797 641 419 331 354 247 198
12 206 297 936 719 903 928 598 431 270 383 256 203
13 217 267 1,110 715 962 1,060 585 393 296 369 275 218
14 241 274 1,100 713 910 1,180 508 428 319 343 293 272
15 298 305 1,130 700 804 1,390 446 425 335 300 266 306
16 258 323 1,100 718 813 1,240 435 383 301 266 295 344
17 283 357 998 725 898 1,080 440 351 280 261 312 322
18 290 439 970 819 930 1,020 461 315 268 304 309 281
19 279 504 1,030 892 1,000 980 524 290 319 302 304 253
20 286 618 1,080 978 960 1,090 552 278 378 282 289 216
21 298 697 1,030 1,030 888 1,070 552 270 411 239 301 215
22 283 743 1,020 964 736 990 476 229 345 220 277 216
23 306 682 954 889 740 1,020 401 196 331 272 273 219
24 282 675 949 901 802 968 408 227 359 290 247 244
25 262 678 826 884 816 885 416 256 379 318 230 266
26 243 634 714 827 935 828 449 266 345 302 251 257
27 252 593 700 876 1,080 811 437 289 340 257 289 286
28 236 598 696 883 1,280 785 480 335 326 227 300 327
29 235 718 722 839 1,310 763 440 337 286 235 297 320
30 241   735 913 1,210 784 425 361 260 274 318 303
31 227   1,010   1,070   388 339   259   261