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USGS Daily Statistics for Iowa

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NOTE: Station Numbers for Iowa precipitation gages have changed (see list).


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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 05481000 Boone River near Webster City, IA


Hamilton County, Iowa
Hydrologic Unit Code 07100005
Latitude  42°25'55.1", Longitude  93°48'21.4" NAD83
Drainage area 844  square miles
Gage datum 989.38 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 1940-10-01 -> 2026-09-30)

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
1 183 103 484 1,220 985 1,100 1,140 350 309 302 256 197
2 172 109 470 1,140 998 1,010 1,070 301 294 311 276 199
3 158 109 505 1,070 1,020 971 935 269 269 306 281 186
4 143 109 527 1,020 1,030 974 808 248 224 309 269 175
5 138 132 542 1,000 1,070 1,030 747 229 251 329 256 168
6 152 139 595 1,040 1,070 977 778 262 234 332 249 168
7 145 131 628 1,040 1,050 962 735 239 214 312 247 170
8 135 119 576 997 987 1,080 730 223 226 325 240 170
9 126 119 548 922 983 1,100 824 205 234 365 219 159
10 119 147 558 854 937 1,240 841 228 233 385 210 153
11 113 163 595 819 893 1,150 850 302 226 409 204 152
12 105 158 699 869 895 1,110 807 237 202 422 207 154
13 103 166 826 903 901 1,120 702 222 194 386 211 175
14 102 179 934 960 930 1,200 618 224 182 347 216 216
15 93 213 968 1,000 917 1,270 601 246 170 319 217 236
16 93 233 1,000 1,010 903 1,230 526 312 182 297 217 223
17 98 276 1,000 963 907 1,250 549 275 199 276 223 208
18 100 332 1,030 898 936 1,330 557 249 200 297 224 199
19 100 369 1,030 855 960 1,380 538 237 220 300 221 184
20 105 442 1,040 869 991 1,400 576 329 274 285 220 171
21 108 478 973 902 1,010 1,470 521 392 364 278 230 158
22 107 483 941 932 1,060 1,440 536 356 397 280 232 149
23 106 471 925 928 1,110 1,410 557 390 446 290 229 142
24 104 457 934 916 1,190 1,450 530 367 430 293 223 145
25 105 417 966 969 1,230 1,390 454 339 423 277 214 161
26 101 386 971 968 1,280 1,400 443 303 399 262 207 166
27 96 409 1,000 982 1,290 1,490 412 273 381 247 210 169
28 96 441 1,110 973 1,270 1,470 359 263 366 234 207 197
29 96 560 1,140 939 1,230 1,370 331 292 357 232 201 191
30 99   1,190 936 1,220 1,290 313 303 326 241 194 188
31 103   1,230   1,130   349 321   245   180