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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 04174500 HURON RIVER AT ANN ARBOR, MI


Washtenaw County, Michigan
Hydrologic Unit Code 04090005
Latitude  42°17'13", Longitude  83°44'02" NAD27
Drainage area 729  square miles
Gage datum 744.40 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 1914-10-01 -> 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
1 499 494 728 949 732 550 377 207 222 261 327 466
2 499 485 725 953 738 556 351 209 225 257 339 463
3 495 483 738 943 724 529 341 216 217 255 355 462
4 513 472 762 970 714 505 332 221 215 267 359 462
5 521 478 795 985 697 493 324 218 209 271 362 465
6 512 491 798 973 671 481 305 220 208 277 376 464
7 497 473 787 948 659 485 289 215 214 269 387 467
8 499 474 793 927 646 471 282 206 211 261 387 465
9 501 479 803 914 640 456 272 220 212 263 387 453
10 491 491 812 885 620 428 275 224 209 272 389 450
11 498 485 849 873 645 416 274 221 212 278 401 441
12 496 483 887 850 669 406 263 212 213 277 413 441
13 499 501 903 830 666 404 258 213 212 271 419 441
14 502 525 949 805 653 407 252 218 222 271 423 443
15 501 564 942 806 669 403 251 211 235 295 425 440
16 486 558 972 824 684 406 255 212 234 303 426 443
17 488 570 953 817 689 400 246 210 232 292 421 441
18 489 581 935 815 700 398 241 212 239 300 414 431
19 493 613 937 803 701 399 242 206 240 297 419 423
20 485 644 932 810 681 399 245 205 236 286 429 421
21 494 661 922 826 657 418 227 204 233 294 428 427
22 488 672 903 802 654 408 235 201 248 301 436 427
23 485 707 903 799 637 412 240 199 250 306 443 435
24 488 719 902 794 617 390 229 205 245 301 438 436
25 481 726 894 809 610 401 228 193 249 311 425 442
26 490 738 901 791 609 417 226 190 251 316 431 447
27 482 736 905 761 599 414 217 196 256 319 441 453
28 485 733 918 763 591 409 226 206 254 314 445 465
29 483 574 932 758 570 395 233 211 255 319 458 483
30 494   929 739 561 384 219 217 246 326 462 500
31 505   936   564   217 221   327   501