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USGS Daily Statistics for Iowa

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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 05481950 Beaver Creek near Grimes, IA


Polk County, Iowa
Hydrologic Unit Code 07100004
Latitude  41°41'18", Longitude  93°44'05" NAD83
Drainage area 358  square miles
Gage datum 806.55 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 1960-10-01 -> 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
1 101 81 214 368 435 531 590 152 143 147 149 117
2 99 93 202 384 438 456 545 138 180 155 145 117
3 95 87 200 358 431 398 432 129 125 156 139 113
4 87 90 211 338 426 385 379 135 100 144 131 109
5 82 83 226 336 410 399 347 157 86 126 120 108
6 76 74 242 334 408 453 368 143 80 113 116 110
7 74 76 251 317 418 481 368 141 93 108 115 110
8 76 80 258 290 431 487 326 123 110 107 111 103
9 74 74 257 290 455 534 347 136 110 117 106 99
10 70 74 254 299 504 557 467 189 122 138 105 96
11 69 81 287 307 443 508 429 184 104 169 107 93
12 63 84 335 315 402 585 381 187 98 201 112 88
13 60 79 402 330 426 698 335 185 103 191 113 103
14 59 84 467 333 472 706 299 162 106 170 116 138
15 56 100 486 356 478 737 257 122 96 164 113 182
16 58 107 480 402 450 719 226 98 91 161 112 175
17 73 129 456 398 418 652 205 91 94 145 122 151
18 74 139 449 409 449 623 229 89 101 130 127 115
19 68 183 484 388 493 596 247 92 105 129 130 106
20 71 195 507 382 484 559 254 98 114 118 129 97
21 70 193 495 383 464 502 242 85 125 117 127 95
22 67 200 405 375 520 476 200 97 131 118 123 96
23 65 205 349 378 567 489 180 103 118 134 121 95
24 62 215 342 376 585 487 177 92 110 152 117 94
25 59 198 346 376 548 471 172 85 120 151 113 96
26 58 164 348 407 564 477 173 99 138 133 111 100
27 59 166 340 470 606 494 166 109 133 118 117 112
28 59 189 343 479 584 549 163 119 123 110 125 126
29 63 190 338 431 582 550 195 145 128 107 126 137
30 69   340 420 590 587 206 128 131 118 123 132
31 79   356   562   183 123   133   108