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USGS Daily Statistics for Michigan

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NOTE: During winter months, stage and discharge 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. Click here for more information.

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 04144500 SHIAWASSEE RIVER AT OWOSSO, MI


Shiawassee County, Michigan
Hydrologic Unit Code 04080203
Latitude  43°00'54", Longitude  84°10'48" NAD27
Drainage area 538  square miles
Gage datum 706.76 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 1930-10-01 -> 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
1 428 363 614 825 581 344 262 156 156 247 244 344
2 428 365 622 814 577 371 247 152 148 242 255 349
3 431 356 651 813 544 373 234 143 150 229 262 354
4 428 352 686 833 524 354 218 150 155 226 263 351
5 438 352 705 844 498 341 222 150 143 229 271 344
6 429 355 711 879 486 319 206 150 145 222 282 341
7 409 354 712 859 475 302 206 147 141 224 272 338
8 402 369 722 825 479 297 219 149 141 219 259 338
9 406 382 737 799 486 293 212 156 148 218 264 323
10 390 389 753 776 520 295 201 145 143 213 257 317
11 382 386 807 762 542 288 205 139 142 206 258 312
12 386 397 815 742 542 277 208 139 143 196 255 318
13 399 427 831 713 542 274 201 145 144 181 269 321
14 391 430 830 693 554 271 188 139 158 179 269 318
15 392 453 845 676 567 275 195 141 165 178 269 334
16 381 463 848 664 564 290 184 146 155 183 270 316
17 371 502 837 673 557 294 174 152 153 195 275 311
18 378 513 794 659 564 295 168 155 152 191 274 306
19 365 531 787 670 584 280 154 153 149 194 282 292
20 349 580 785 688 557 299 150 151 145 196 288 294
21 369 619 758 685 555 292 151 152 144 200 293 305
22 379 625 759 668 535 288 145 139 149 198 287 319
23 391 618 767 665 502 298 150 143 187 203 284 320
24 385 645 761 649 481 301 145 147 191 208 284 327
25 380 657 744 659 459 308 140 147 185 217 280 332
26 393 630 728 660 450 301 136 135 189 226 277 327
27 391 625 720 637 420 289 134 130 197 224 288 339
28 375 609 752 642 399 280 142 141 193 221 317 386
29 368 591 784 610 396 272 149 150 193 222 324 393
30 372   778 589 385 271 145 157 197 228 334 418
31 364   789   363   147 154   236   443