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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 04092677 GRAND CALUMET RIVER AT INDUSTRIAL HWY AT GARY, IN


Lake County, Indiana
Hydrologic Unit Code 04040001
Latitude  41°36'28", Longitude  87°23'37" NAD27
Gage datum 579.65 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 1994-10-01 -> 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
1 445 439 465 474 500 507 485 493 482 471 481 473
2 440 438 459 463 494 504 481 491 478 475 474 460
3 446 443 458 469 500 495 486 499 476 481 475 451
4 445 445 458 475 497 495 499 495 475 484 479 452
5 444 456 461 468 500 504 499 500 473 481 477 459
6 444 456 460 472 503 497 501 501 475 479 467 458
7 442 444 459 475 512 497 499 498 475 471 468 453
8 441 439 464 480 506 499 494 495 483 475 467 451
9 444 455 462 476 513 495 494 489 484 473 465 451
10 440 452 466 485 516 499 495 494 481 479 466 448
11 461 452 460 487 521 500 501 493 484 481 471 455
12 460 451 453 479 517 492 496 495 482 476 462 455
13 450 442 460 478 510 495 495 494 489 471 461 456
14 444 445 467 494 513 490 505 484 486 483 461 459
15 437 440 463 492 504 488 498 485 485 479 458 454
16 437 446 466 481 503 488 498 485 480 471 450 453
17 442 455 466 483 508 487 499 486 474 472 459 446
18 442 446 465 491 516 481 511 479 476 473 463 445
19 439 455 467 493 513 488 504 485 483 471 460 443
20 436 465 466 492 508 496 509 495 471 470 459 451
21 443 457 471 489 520 498 505 490 475 473 462 452
22 445 464 469 487 515 491 514 483 480 473 465 450
23 447 460 474 486 515 489 499 487 472 480 467 444
24 448 472 479 487 516 488 498 485 470 481 463 440
25 446 467 480 493 514 481 498 484 470 481 467 439
26 442 469 474 489 512 485 498 486 469 486 467 434
27 440 464 471 494 503 486 502 483 480 476 465 449
28 445 456 472 498 513 484 501 484 483 470 457 443
29 445 480 475 506 515 480 502 482 475 475 460 445
30 442   475 510 516 484 496 485 474 479 470 440
31 443   472   506   496 491   482   444