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USGS Daily Statistics for Wisconsin

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During the winter, river stage may be significantly affected by backwater from ice, resulting in incorrect discharge data. Consequently, discharge data may not be displayed during periods of ice effect.

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 05424057 ROCK RIVER AT HORICON, WI


Dodge County, Wisconsin
Hydrologic Unit Code 07090001
Latitude  43°27'01", Longitude  88°37'56" NAD83
Drainage area 456  square miles
Gage datum 860 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 1997-10-01 -> 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
1 212 206 373 929 842 501 468 238 221 199 238 228
2 217 204 415 927 828 514 450 221 220 220 241 235
3 222 205 417 956 807 523 437 207 216 248 248 251
4 225 215 420 975 778 518 429 205 211 267 243 258
5 224 215 431 952 747 502 414 203 210 274 248 254
6 232 214 427 968 705 497 416 202 217 285 244 246
7 235 217 443 985 685 486 395 188 219 288 235 238
8 250 228 468 977 639 499 380 172 223 297 228 247
9 255 233 517 989 635 534 382 165 219 296 244 249
10 255 236 539 967 678 538 366 162 222 298 241 238
11 259 247 592 972 689 555 342 157 223 294 244 230
12 261 258 638 951 712 585 326 146 219 279 230 228
13 267 253 711 943 711 615 314 145 216 284 234 234
14 260 260 765 942 727 619 277 133 218 282 246 235
15 253 267 821 900 704 642 267 125 213 286 257 237
16 255 273 840 891 694 650 256 107 218 278 263 234
17 252 279 868 903 682 643 272 102 221 276 259 235
18 247 288 887 878 688 635 262 94 221 249 240 235
19 230 294 906 891 669 622 272 98 226 241 230 237
20 215 322 938 894 652 619 274 108 233 244 230 222
21 202 330 956 885 608 616 286 125 231 224 234 215
22 195 321 929 876 580 611 284 123 233 232 230 217
23 200 335 922 879 583 593 286 128 235 227 229 211
24 206 340 906 843 561 589 278 139 230 221 226 204
25 208 341 896 840 558 562 266 140 222 217 218 206
26 213 341 885 853 555 539 282 137 182 229 226 207
27 206 335 844 880 537 528 287 144 169 232 232 206
28 199 357 877 884 512 516 287 158 184 240 215 208
29 197 344 887 871 502 497 276 179 178 237 220 206
30 206   878 851 468 476 254 204 182 239 230 205
31 206   885   496   248 207   249   204