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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
1 499 494 728 949 732 552 374 204 218 261 327 466
2 499 485 725 953 738 557 349 206 221 257 339 463
3 495 483 738 943 724 530 339 213 213 255 355 462
4 513 472 762 970 714 506 330 219 212 267 359 462
5 521 478 795 985 697 494 322 216 206 271 362 465
6 512 491 798 973 671 482 303 216 205 277 376 464
7 497 473 787 948 659 486 287 211 211 269 387 467
8 499 474 793 927 646 472 280 200 209 261 387 465
9 501 479 803 914 640 457 270 214 212 263 387 453
10 491 491 812 885 620 429 264 219 208 272 389 450
11 498 485 849 873 645 416 259 216 212 278 401 441
12 496 483 887 850 669 407 249 207 213 277 413 441
13 499 501 903 830 666 404 247 208 212 271 419 441
14 502 525 949 805 653 408 242 213 222 271 423 443
15 501 564 942 806 669 404 241 206 235 295 425 440
16 486 558 972 824 684 407 244 208 234 303 426 443
17 488 570 953 817 689 401 234 208 232 292 421 441
18 489 581 935 815 700 398 231 209 239 300 414 431
19 493 613 937 803 701 399 234 203 240 297 419 423
20 485 644 932 810 681 399 239 202 236 286 429 421
21 494 661 922 826 656 419 221 201 233 294 428 427
22 488 672 903 802 654 408 228 198 248 301 436 427
23 485 707 903 799 639 413 234 196 250 306 443 435
24 488 719 902 794 620 391 224 202 245 301 438 436
25 481 726 894 809 612 402 224 190 249 311 425 442
26 490 738 901 791 610 418 222 188 251 316 431 447
27 482 736 905 761 601 415 213 194 256 319 441 453
28 485 733 918 763 593 411 223 199 254 314 445 465
29 483 574 932 758 571 394 230 207 255 319 458 483
30 494   929 739 562 380 215 213 246 326 462 500
31 505   936   566   214 216   327   501