Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Daily Statistics for Iowa

Click to hide state-specific text

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 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
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 80 277 699 600 782 878 176 247 131 241 140
2 205 79 325 738 604 718 801 140 264 160 227 144
3 187 79 360 745 637 606 653 116 393 217 216 144
4 164 82 343 708 723 531 500 105 372 276 206 141
5 138 89 323 625 964 543 441 117 394 312 184 131
6 123 102 303 563 852 569 401 129 442 301 175 121
7 120 104 297 522 811 570 356 135 363 281 177 117
8 119 93 312 495 767 615 385 130 296 279 182 111
9 120 82 382 483 718 989 344 113 275 309 172 106
10 113 81 524 472 694 1,120 335 105 333 374 158 102
11 104 88 718 485 634 933 351 103 425 428 155 97
12 100 113 872 551 609 936 337 112 320 380 151 93
13 98 135 937 642 628 940 337 113 254 337 150 98
14 96 166 910 700 624 840 330 113 224 319 140 134
15 88 147 913 669 610 797 294 106 202 307 137 166
16 80 119 907 653 563 700 241 94 203 288 135 181
17 73 118 865 646 484 755 202 84 224 253 124 188
18 77 129 831 626 432 771 207 80 245 241 129 171
19 79 163 818 584 416 763 248 81 241 263 123 152
20 80 218 816 553 549 871 363 118 315 247 115 120
21 97 314 894 586 540 969 351 167 423 211 115 105
22 108 404 923 652 680 909 525 208 584 208 116 107
23 106 441 893 669 892 998 501 237 939 221 120 109
24 110 424 856 622 893 1,070 391 240 697 236 125 112
25 124 361 764 721 755 1,070 332 400 538 231 126 119
26 116 292 714 780 680 1,010 278 572 389 226 122 127
27 106 251 668 787 668 941 230 488 299 229 124 144
28 92 239 599 746 739 894 182 339 245 246 132 179
29 83 202 579 694 809 983 179 272 199 242 138 218
30 81   615 619 872 996 178 300 151 241 138 214
31 81   640   826   187 284   253   215