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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 04151500 CASS RIVER AT FRANKENMUTH, MI


Saginaw County, Michigan
Hydrologic Unit Code 04080205
Latitude  43°19'40", Longitude  83°44'53" NAD27
Drainage area 841  square miles
Gage datum 583.29 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 1907-10-01 -> 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
1 692 512 998 1,730 847 524 298 146 114 323 245 451
2 671 516 994 1,780 855 563 258 139 113 365 260 479
3 652 533 1,100 1,650 856 581 232 135 118 366 265 514
4 664 518 1,160 1,610 769 509 208 135 134 324 282 499
5 638 503 1,310 1,670 684 431 185 150 159 273 293 459
6 647 491 1,410 1,680 653 385 170 148 185 243 300 418
7 593 445 1,460 1,630 667 346 189 135 181 220 325 397
8 500 423 1,430 1,490 657 301 282 142 154 191 318 408
9 474 435 1,440 1,350 674 305 324 148 130 172 323 406
10 490 516 1,530 1,270 736 325 310 137 127 164 311 384
11 458 576 1,610 1,200 832 338 320 127 173 166 319 372
12 481 627 1,670 1,150 829 334 312 125 387 174 328 391
13 518 646 1,710 1,140 792 324 249 122 373 176 341 433
14 522 621 1,720 1,160 811 327 211 115 339 173 351 454
15 500 599 1,750 1,110 853 332 221 106 298 190 340 435
16 457 598 1,900 1,090 856 333 224 109 261 194 330 431
17 432 625 1,930 1,100 813 358 207 111 213 208 346 419
18 450 673 1,840 1,110 768 469 217 121 182 217 336 395
19 511 769 1,720 1,040 732 538 190 115 191 216 318 377
20 506 853 1,760 1,010 676 503 161 104 186 208 332 365
21 451 1,040 1,650 1,030 687 422 166 100 173 204 349 378
22 446 1,210 1,570 988 687 450 170 103 178 201 346 411
23 453 1,100 1,560 897 653 485 148 107 239 210 338 411
24 478 990 1,540 788 611 486 139 125 267 224 342 389
25 485 1,030 1,620 776 638 424 139 150 250 224 339 407
26 496 1,060 1,700 850 650 355 130 137 208 224 334 445
27 510 1,100 1,630 901 629 329 121 127 216 217 353 448
28 533 1,080 1,700 956 523 318 122 112 241 214 400 546
29 498 1,090 1,840 991 483 380 132 110 233 219 431 638
30 482   1,850 930 543 368 136 117 254 211 432 704
31 526   1,710   522   148 116   222   755