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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 05447500 GREEN RIVER NEAR GENESEO, IL


Henry County, Illinois
Hydrologic Unit Code 07090007
Latitude  41°29'20.16", Longitude  9°09'28.83" NAD83
Drainage area 1,003  square miles
Gage datum 577.68 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 1935-10-01 -> 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
1 668 610 995 1,100 1,190 1,080 886 366 399 373 505 477
2 619 587 985 1,130 1,120 1,140 804 342 352 353 589 525
3 575 585 1,030 1,110 1,030 1,120 795 355 310 392 563 566
4 595 611 1,080 1,060 987 1,050 779 366 283 385 508 533
5 650 642 1,120 1,080 950 1,030 756 363 273 371 468 506
6 627 629 1,070 1,110 904 989 757 372 267 394 466 474
7 579 613 1,010 1,070 920 950 757 374 272 412 462 477
8 549 605 1,020 1,010 1,030 941 752 439 282 369 432 490
9 555 628 1,020 1,020 1,090 1,020 775 395 305 356 417 489
10 532 692 1,100 1,050 1,110 1,010 704 374 349 400 459 487
11 512 685 1,200 1,100 1,120 1,030 731 358 326 447 476 502
12 519 672 1,200 1,070 1,170 972 694 347 293 398 460 496
13 538 698 1,170 1,010 1,280 1,080 654 337 344 384 453 491
14 541 722 1,180 1,010 1,300 1,150 655 322 449 397 456 489
15 535 702 1,220 997 1,270 1,220 631 379 447 422 437 525
16 504 674 1,140 1,050 1,240 1,200 610 365 428 400 436 546
17 532 712 1,150 1,110 1,180 1,110 581 355 407 390 428 520
18 526 812 1,190 1,110 1,220 993 580 397 416 453 425 488
19 514 954 1,300 1,060 1,190 994 582 388 416 437 439 470
20 578 1,100 1,220 1,090 1,110 999 515 446 389 406 448 457
21 575 1,130 1,110 1,150 1,080 1,000 517 461 388 375 439 464
22 556 1,060 1,050 1,140 1,040 1,020 582 412 410 361 430 460
23 630 1,090 1,080 1,140 1,020 1,000 567 353 418 398 423 451
24 769 1,100 1,070 1,180 992 1,050 522 361 444 420 427 473
25 714 1,060 1,070 1,180 987 1,030 483 402 393 435 428 558
26 664 1,000 1,020 1,140 1,080 991 464 444 388 435 429 568
27 671 1,030 988 1,110 1,120 918 489 474 415 433 440 636
28 623 1,020 977 1,120 1,100 838 467 460 461 419 469 665
29 599 799 1,040 1,110 1,160 839 417 533 426 411 478 700
30 629   1,090 1,170 1,140 888 396 508 401 430 474 711
31 630   1,100   1,080   380 417   446   718