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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 05420680 Wapsipinicon River near Tripoli, IA


Bremer County, Iowa
Hydrologic Unit Code 07080102
Latitude  42°50'10", Longitude  92°15'26" NAD27
Drainage area 346  square miles
Gage datum 986.42 feet above NGVD29
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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 1995-10-01 -> 2021-09-30)

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
1 225 82 288 713 623 782 878 176 247 131 241 140
2 205 80 337 756 628 718 801 140 264 160 227 144
3 187 80 374 765 662 606 653 116 393 217 216 144
4 164 83 355 728 723 531 500 105 372 276 206 141
5 138 91 333 642 964 543 441 117 394 312 184 131
6 123 105 309 578 852 569 401 129 442 301 175 121
7 120 106 299 535 811 570 356 135 363 281 177 117
8 119 95 310 507 767 615 385 130 296 279 182 111
9 120 83 376 495 718 989 344 113 275 309 172 106
10 113 82 518 483 694 1,120 335 105 333 374 158 102
11 104 89 714 498 634 933 351 103 425 428 155 97
12 100 115 880 568 609 936 337 112 320 380 151 93
13 98 139 955 664 628 940 337 113 254 337 150 98
14 96 171 934 725 624 840 330 113 224 319 140 134
15 91 151 942 693 610 797 294 106 202 307 137 166
16 81 122 937 677 563 700 241 94 203 288 135 181
17 74 121 894 670 484 755 202 84 224 253 124 188
18 79 132 858 649 432 771 207 80 245 241 129 171
19 80 168 843 606 416 763 248 81 241 263 123 152
20 82 226 840 572 549 871 363 118 315 247 115 120
21 100 327 921 607 540 969 351 167 423 211 115 105
22 111 421 950 676 680 909 525 208 584 208 116 107
23 109 460 918 695 892 998 501 237 939 221 120 109
24 114 442 878 646 893 1,070 391 240 697 236 125 112
25 128 375 778 749 755 1,070 332 400 538 231 126 119
26 120 303 724 810 680 1,010 278 572 389 226 122 127
27 109 260 676 817 668 941 230 488 299 229 124 144
28 94 247 604 774 739 894 182 339 245 246 132 179
29 84 202 580 721 809 983 179 272 199 242 138 218
30 82   618 643 872 996 178 300 151 241 138 214
31 83   646   826   187 284   253   215