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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 05484000 South Raccoon River at Redfield, IA


Dallas County, Iowa
Hydrologic Unit Code 07100007
Latitude  41°35'25.5", Longitude  94°09'04.2" NAD83
Drainage area 994  square miles
Gage datum 888.59 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 1940-10-01 -> 2025-09-30)

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
1 222 221 634 907 1,050 918 1,160 369 385 384 325 248
2 223 234 645 795 940 1,100 1,150 414 301 393 333 257
3 229 290 623 699 932 932 1,080 375 297 339 300 243
4 220 290 579 677 887 862 992 383 305 326 276 236
5 222 325 576 696 898 943 804 429 295 313 273 248
6 249 286 625 695 980 982 826 497 431 300 270 235
7 219 276 580 613 1,100 867 756 478 333 315 260 220
8 203 295 574 621 985 1,050 732 371 528 312 248 216
9 193 282 568 668 1,000 1,170 861 332 358 344 251 209
10 189 307 631 637 1,060 1,210 1,070 345 382 375 249 202
11 187 291 737 651 1,010 1,180 899 339 370 434 251 202
12 184 272 846 703 940 1,550 775 399 321 393 268 203
13 180 272 1,040 720 1,020 1,420 683 384 358 332 269 253
14 180 300 1,240 746 976 1,500 577 410 342 349 258 430
15 179 336 1,060 786 838 1,840 484 314 382 418 251 372
16 194 357 946 797 861 1,590 450 305 366 311 261 307
17 204 360 1,040 749 926 1,340 485 295 339 303 268 270
18 203 474 1,080 759 893 1,330 599 304 305 336 274 250
19 203 720 1,270 732 987 1,170 577 336 278 288 275 232
20 197 739 1,120 775 1,040 1,170 503 351 305 266 273 221
21 211 622 915 797 1,090 1,100 458 381 290 264 276 222
22 206 527 797 734 1,040 1,060 432 384 291 269 264 222
23 204 513 777 763 1,170 1,130 410 340 272 313 257 239
24 202 486 814 768 1,270 1,050 391 365 270 342 254 242
25 209 445 796 890 1,180 1,250 403 355 282 308 257 227
26 196 447 773 883 1,160 1,020 404 453 340 282 253 230
27 196 522 765 992 1,150 1,150 417 361 316 263 260 287
28 196 586 852 893 1,190 1,120 686 445 325 252 250 313
29 210 611 858 858 1,130 996 573 618 295 274 247 272
30 223   878 1,020 1,090 1,070 471 476 343 288 246 248
31 218   922   1,020   404 371   322   230