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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 04133501 THUNDER BAY RIVER AT HERRON ROAD NEAR BOLTON, MI


Alpena County, Michigan
Hydrologic Unit Code 04070006
Latitude  45°07'27", Longitude  83°38'08" NAD27
Drainage area 586  square miles
Gage datum 659.88 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 1944-10-01 -> 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
1 481 427 428 933 714 470 399 315 330 354 462 496
2 478 423 421 940 714 468 388 335 327 355 466 484
3 466 417 421 918 740 464 378 339 330 355 473 475
4 460 405 423 914 749 465 373 338 324 360 473 470
5 454 398 438 940 729 452 387 330 327 365 467 467
6 453 396 462 961 691 446 398 327 336 368 460 469
7 448 396 488 1,000 647 440 370 316 335 364 458 465
8 438 393 516 1,030 616 428 351 304 319 369 459 467
9 436 390 541 1,030 610 430 346 306 312 368 462 474
10 437 388 555 1,010 621 438 344 311 309 370 465 477
11 438 388 579 991 626 441 343 318 316 365 471 479
12 435 395 611 1,010 617 441 331 322 315 361 466 486
13 429 394 635 1,040 591 450 317 327 311 363 465 495
14 424 391 666 1,040 573 473 314 327 315 364 470 494
15 421 387 683 1,030 569 486 325 316 320 373 469 490
16 419 389 675 1,010 565 474 337 309 312 385 471 492
17 421 386 642 965 551 471 335 303 303 394 473 496
18 423 386 635 926 533 472 337 306 301 401 476 489
19 429 386 638 901 520 459 335 307 303 400 481 477
20 437 390 632 881 520 445 335 313 309 409 486 467
21 435 403 631 848 513 429 345 319 313 413 486 454
22 436 421 633 810 519 407 354 319 321 424 480 449
23 429 426 648 776 505 403 359 323 331 427 472 453
24 425 424 667 761 496 402 368 319 339 449 470 459
25 420 427 703 751 496 406 372 325 347 490 475 465
26 418 429 729 749 500 399 360 321 346 513 481 462
27 422 430 749 759 493 395 355 316 340 501 494 467
28 420 429 789 764 484 389 352 321 331 492 507 466
29 419 422 832 749 485 389 345 332 328 485 516 461
30 423   844 729 493 397 332 330 339 474 511 469
31 425   892   482   323 331   464   475