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USGS Daily Statistics for the Nation

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 81 214 368 435 531 590 152 143 147 147 116
2 98 93 202 384 438 456 545 138 180 155 143 115
3 94 87 200 358 431 398 432 129 125 156 138 112
4 86 90 211 338 426 385 379 135 100 144 129 108
5 82 83 226 336 410 399 347 157 86 126 118 106
6 76 74 242 334 408 453 368 143 80 113 114 109
7 74 76 251 317 418 481 368 141 93 108 113 109
8 75 80 258 290 431 487 326 123 110 107 110 102
9 74 74 257 290 455 534 347 136 110 117 105 98
10 69 74 254 299 504 557 467 189 122 138 103 95
11 68 81 287 307 443 508 429 184 104 169 106 92
12 63 84 335 315 402 585 381 187 98 201 110 87
13 60 79 402 330 426 698 335 185 103 191 111 102
14 58 84 467 333 472 706 299 162 106 170 115 137
15 55 100 486 356 478 737 257 122 96 164 111 180
16 57 107 480 402 450 719 226 98 91 158 110 172
17 72 129 456 398 418 652 205 91 94 143 121 149
18 73 139 449 409 449 623 229 89 101 128 126 113
19 68 183 484 388 493 596 247 92 105 127 129 105
20 70 195 507 382 484 559 254 98 114 116 128 96
21 70 193 495 383 464 502 242 85 125 115 126 94
22 67 200 405 375 520 476 200 97 131 117 122 95
23 65 205 349 378 567 489 180 103 118 131 120 94
24 62 215 342 376 585 487 177 92 110 150 116 93
25 59 198 346 376 548 471 172 85 120 148 112 95
26 58 164 348 407 564 477 173 99 138 131 110 99
27 59 166 340 470 606 494 166 109 133 117 116 111
28 59 189 343 479 584 549 163 119 123 108 123 125
29 63 190 338 431 582 550 195 145 128 106 124 135
30 69   340 420 590 587 206 128 131 117 121 130
31 79   356   562   183 123   132   107