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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 05473400 Cedar Creek near Oakland Mills, IA


Henry County, Iowa
Hydrologic Unit Code 07080107
Latitude  40°55'31.09", Longitude  91°40'27.18" NAD83
Drainage area 530  square miles
Gage datum 565.01 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 1977-10-01 -> 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
1 189 188 438 567 785 960 408 312 241 201 471 268
2 139 176 449 583 632 986 385 285 208 211 524 344
3 122 216 500 565 604 954 337 132 114 251 425 314
4 158 241 521 490 874 681 407 105 160 232 268 218
5 161 220 667 469 904 559 605 230 146 186 275 194
6 178 174 578 467 746 550 696 202 132 172 191 222
7 229 159 425 381 638 438 855 139 179 210 151 267
8 266 170 523 359 701 547 841 87 155 282 117 298
9 171 207 730 561 698 641 720 92 145 217 114 248
10 124 269 979 661 686 702 609 259 323 256 180 179
11 117 246 1,040 804 817 687 635 292 329 254 223 136
12 109 257 874 779 997 674 606 312 318 158 183 146
13 109 220 800 533 946 751 430 355 423 153 192 180
14 95 226 872 541 931 790 397 335 455 234 151 252
15 90 221 800 502 872 1,080 415 370 428 354 124 315
16 91 261 773 597 690 1,080 435 420 233 251 107 361
17 89 320 707 567 662 902 445 397 151 175 158 255
18 99 352 716 674 741 718 301 332 242 321 263 167
19 97 342 754 853 580 698 352 211 263 429 245 132
20 97 435 720 966 519 833 441 224 205 303 182 131
21 98 530 607 846 451 758 484 187 163 134 221 200
22 107 580 568 570 465 753 446 141 234 115 207 226
23 122 596 542 517 472 752 343 190 196 227 204 214
24 149 497 504 423 622 825 246 347 249 298 208 244
25 169 474 426 481 848 949 350 345 318 240 183 321
26 133 429 398 611 1,040 1,020 597 221 400 250 228 288
27 117 566 420 563 1,100 970 435 228 209 260 234 209
28 121 505 467 648 1,140 841 311 339 119 190 258 260
29 119 184 412 569 1,300 584 346 348 157 153 286 244
30 125   413 650 1,160 465 344 326 224 280 235 191
31 135   563   1,040   281 197   309   175