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USGS 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 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 -> 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
1 502 493 726 946 732 550 377 207 222 261 326 466
2 501 483 722 952 738 556 351 209 225 257 338 463
3 497 482 737 947 724 529 341 216 217 255 354 462
4 515 472 760 973 714 505 332 221 215 267 358 461
5 522 478 796 987 697 493 324 218 209 271 361 464
6 513 490 801 974 671 481 305 220 208 277 375 463
7 498 472 789 951 659 485 289 215 214 269 386 466
8 500 473 794 929 646 471 282 206 211 261 386 464
9 501 478 804 916 640 456 272 220 212 262 386 452
10 491 490 813 887 620 428 275 224 209 272 390 449
11 498 484 850 875 645 416 274 221 213 278 402 440
12 495 484 887 848 669 406 263 212 213 277 413 440
13 498 501 903 829 666 404 258 213 212 272 418 440
14 502 524 948 804 653 407 252 218 223 272 423 441
15 500 563 941 806 669 403 251 211 235 295 426 439
16 485 556 973 825 684 406 255 212 234 303 426 442
17 487 568 955 816 689 400 246 210 232 292 421 441
18 488 579 936 814 700 398 241 212 239 300 414 431
19 492 610 937 800 701 399 242 206 239 297 419 423
20 484 641 932 808 681 399 245 205 236 286 430 421
21 492 658 922 826 657 418 227 204 233 294 428 427
22 487 669 903 802 654 408 235 201 248 300 436 427
23 484 703 902 799 637 412 240 199 250 306 443 435
24 486 716 901 794 617 390 229 205 245 301 438 436
25 480 724 892 809 610 401 228 193 248 310 425 442
26 488 735 898 791 609 417 226 190 250 316 431 446
27 481 732 901 761 599 414 217 196 256 318 443 452
28 484 730 914 763 591 409 226 206 253 314 446 464
29 480 574 928 758 570 395 233 211 254 318 459 483
30 490   926 739 561 384 219 217 246 325 462 502
31 503   934   564   217 221   327   503