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USGS Surface-Water Daily Statistics for the Nation

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 -> 2024-09-30)

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
1 214 190 366 931 815 472 442 249 222 189 263 243
2 218 190 413 922 808 486 426 231 219 206 254 249
3 224 191 419 953 787 494 411 215 216 229 256 262
4 224 199 423 975 758 486 404 215 212 248 257 267
5 222 198 436 960 730 471 388 211 211 256 262 264
6 229 196 437 977 696 468 406 210 215 267 265 259
7 234 198 458 995 679 458 384 200 214 271 262 249
8 245 207 488 990 633 469 363 191 217 276 254 255
9 248 211 536 995 623 499 357 187 212 274 263 253
10 247 216 557 973 657 504 340 183 215 276 261 238
11 248 227 604 977 664 524 328 180 221 272 271 236
12 249 237 649 950 682 548 314 171 226 263 259 240
13 255 235 725 944 679 584 300 165 221 270 263 244
14 249 239 767 938 692 588 264 156 219 263 268 244
15 242 249 809 892 669 609 263 148 216 269 279 244
16 243 257 824 888 659 609 257 128 221 261 286 240
17 242 262 845 896 646 606 270 125 223 276 278 244
18 237 270 871 868 641 603 262 118 224 259 252 244
19 224 275 890 875 630 593 268 122 228 239 242 245
20 211 301 917 874 616 589 270 130 231 236 249 231
21 198 308 936 872 573 588 281 144 231 221 249 223
22 190 299 913 865 542 583 275 140 233 227 241 227
23 194 308 912 863 543 565 276 140 227 232 240 217
24 198 313 894 829 529 559 275 146 220 236 236 207
25 202 313 891 827 521 536 268 148 216 236 231 206
26 206 314 882 834 519 523 281 146 176 256 238 202
27 198 310 844 854 504 504 289 154 159 264 247 199
28 193 338 871 857 483 487 294 166 174 268 230 201
29 190 344 884 843 472 473 286 185 169 269 236 200
30 196   876 824 440 450 265 209 179 267 251 206
31 194   891   466   258 211   270   207