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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
1 100 80 211 364 433 525 590 152 143 147 147 116
2 98 92 199 380 436 451 544 138 180 155 143 115
3 94 86 197 356 428 394 431 129 125 156 138 112
4 86 89 208 336 423 382 378 135 100 144 129 108
5 82 82 223 334 407 396 346 157 86 126 118 106
6 76 73 240 331 405 449 373 143 80 113 114 109
7 74 75 248 314 414 476 379 141 93 108 113 109
8 75 79 257 287 427 483 347 123 110 107 110 102
9 74 73 257 288 450 532 372 136 110 117 105 98
10 69 73 257 296 498 554 482 189 122 138 103 95
11 68 80 291 305 438 505 440 184 104 169 106 92
12 63 83 338 312 398 579 401 187 98 201 110 87
13 60 78 402 327 421 691 357 185 103 191 111 102
14 58 83 465 330 467 698 314 162 106 170 115 137
15 55 98 483 353 472 728 267 122 96 164 111 180
16 57 106 477 398 444 712 233 98 91 158 110 172
17 72 127 452 394 413 646 211 91 94 143 121 149
18 73 137 445 404 444 617 234 89 101 128 126 113
19 68 180 479 383 487 594 250 92 105 127 129 105
20 70 192 502 377 486 562 269 98 114 116 128 96
21 69 190 490 378 463 506 266 85 125 115 126 94
22 66 197 403 372 517 477 226 97 131 117 122 95
23 64 202 347 375 562 488 207 103 118 131 120 94
24 61 212 340 373 579 485 196 92 110 150 116 93
25 58 195 344 376 543 475 188 85 120 148 112 95
26 57 162 345 411 558 486 188 99 138 131 110 99
27 59 163 337 473 599 508 177 109 133 117 116 111
28 59 186 340 480 577 562 163 119 123 108 123 125
29 62 190 335 431 576 557 195 145 128 106 124 135
30 69   337 419 584 589 206 128 131 117 121 130
31 78   353   556   183 123   132   107