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USGS Daily Statistics for Wisconsin

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 849.48 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 -> 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
1 213 191 359 913 808 504 481 259 217 184 260 237
2 217 195 405 921 797 518 464 249 214 200 249 243
3 222 198 403 965 778 520 453 231 211 223 250 256
4 221 204 424 987 746 511 447 226 207 243 251 261
5 219 207 435 972 720 506 435 223 206 249 255 260
6 226 205 435 988 681 506 453 224 210 260 258 255
7 231 206 452 1,000 665 497 431 208 209 264 257 246
8 242 216 486 1,000 624 505 412 200 211 268 250 251
9 245 220 533 1,010 618 535 406 195 207 267 261 250
10 244 226 551 987 647 539 389 189 209 268 265 236
11 244 237 590 992 658 555 376 185 215 264 272 235
12 246 245 634 969 667 577 362 173 221 256 253 239
13 251 244 710 957 670 610 345 165 215 262 264 243
14 245 247 753 951 683 612 311 153 214 256 262 242
15 237 258 793 905 657 629 310 143 210 262 271 242
16 239 264 808 893 643 624 304 125 215 253 277 240
17 237 265 834 904 631 618 318 123 217 259 271 243
18 230 273 853 877 622 608 308 117 218 244 246 240
19 217 277 870 884 617 601 311 120 222 225 236 238
20 205 300 901 882 601 600 311 128 225 225 242 226
21 192 307 913 878 556 598 319 142 225 210 243 221
22 183 299 895 864 540 601 311 138 227 214 236 224
23 187 309 890 864 553 593 310 137 221 219 235 215
24 191 310 866 830 539 590 308 143 214 225 231 205
25 195 311 867 822 539 570 297 145 210 223 226 204
26 200 311 858 820 541 561 305 143 172 242 233 201
27 193 309 822 835 534 543 309 151 156 250 241 199
28 190 339 841 850 513 524 311 162 171 255 225 202
29 188 325 858 833 505 515 303 181 165 256 231 200
30 196   854 817 473 492 281 203 175 255 245 205
31 194   869   497   272 206   258   207