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USGS Daily Statistics for Illinois

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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
1 672 606 1,000 1,110 1,200 1,080 886 366 399 373 509 481
2 622 583 992 1,140 1,130 1,140 804 342 352 353 594 529
3 578 584 1,030 1,120 1,030 1,120 795 355 310 392 567 571
4 598 611 1,090 1,070 992 1,050 779 366 283 385 512 537
5 654 644 1,130 1,090 955 1,030 756 363 273 371 470 510
6 631 632 1,070 1,110 909 989 757 372 267 394 467 477
7 583 616 1,010 1,080 920 950 757 374 272 412 463 479
8 552 607 1,030 1,010 1,030 941 752 439 282 369 434 493
9 558 631 1,030 1,020 1,090 1,020 775 395 305 359 419 492
10 535 697 1,100 1,050 1,110 1,010 704 374 349 403 461 489
11 515 690 1,210 1,110 1,120 1,030 731 358 326 450 479 505
12 522 677 1,210 1,070 1,170 972 694 347 293 401 463 500
13 541 704 1,180 1,020 1,280 1,080 654 337 344 387 456 495
14 544 728 1,190 1,020 1,300 1,150 655 322 449 400 459 493
15 538 708 1,230 1,000 1,270 1,220 631 379 447 425 440 529
16 506 679 1,150 1,060 1,240 1,200 610 365 428 403 439 551
17 535 717 1,160 1,110 1,180 1,110 581 355 407 393 431 524
18 529 818 1,200 1,120 1,220 993 580 397 416 456 428 492
19 516 962 1,310 1,070 1,190 994 582 388 416 440 442 475
20 581 1,110 1,230 1,100 1,110 999 515 446 389 409 450 461
21 578 1,140 1,110 1,160 1,080 1,000 517 461 388 377 441 468
22 559 1,070 1,050 1,140 1,040 1,020 582 412 410 364 432 464
23 633 1,100 1,080 1,140 1,020 1,000 567 353 418 401 425 454
24 775 1,110 1,080 1,180 992 1,050 522 361 444 423 429 476
25 718 1,070 1,080 1,190 987 1,030 483 402 393 437 430 562
26 668 1,010 1,030 1,140 1,080 991 464 444 388 437 431 572
27 674 1,040 992 1,120 1,120 918 489 474 415 435 443 641
28 626 1,030 981 1,130 1,100 838 467 460 461 421 472 670
29 602 799 1,040 1,110 1,160 839 417 533 426 413 481 705
30 632   1,100 1,180 1,140 888 396 508 401 434 478 717
31 631   1,110   1,080   380 417   449   724