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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 05585000 LA MOINE RIVER AT RIPLEY, IL


Brown County, Illinois
Hydrologic Unit Code 07130010
Latitude  40°01'30.3", Longitude  90°37'51.8" NAD83
Drainage area 1,293  square miles
Gage datum 430.57 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 1920-10-01 -> 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
1 821 711 1,130 1,590 1,370 1,400 1,150 541 185 467 496 478
2 752 699 1,030 1,630 1,470 1,430 1,130 478 235 397 565 512
3 673 683 985 1,530 1,440 1,370 1,050 402 266 476 632 561
4 687 664 952 1,420 1,470 1,270 868 321 325 640 646 556
5 708 718 1,060 1,450 1,470 1,240 811 280 409 695 610 519
6 705 757 1,170 1,470 1,400 1,210 753 282 368 690 548 589
7 649 766 1,250 1,490 1,400 1,160 838 301 332 637 497 601
8 630 781 1,140 1,420 1,590 1,270 929 329 342 630 384 587
9 605 758 1,100 1,360 1,650 1,290 924 387 407 570 339 520
10 573 804 1,170 1,320 1,530 1,200 952 446 443 518 404 501
11 544 849 1,230 1,520 1,530 1,100 900 461 411 452 414 495
12 487 918 1,390 1,690 1,500 1,140 775 462 386 397 396 442
13 488 944 1,480 1,720 1,490 1,180 682 435 479 435 434 446
14 517 980 1,620 1,710 1,470 1,200 698 412 682 407 431 484
15 544 923 1,710 1,630 1,460 1,320 742 379 684 381 397 532
16 541 903 1,730 1,540 1,480 1,430 739 360 669 389 421 518
17 505 999 1,470 1,440 1,740 1,460 659 338 665 371 493 479
18 454 1,010 1,500 1,470 2,070 1,360 580 339 563 375 549 454
19 477 1,070 1,490 1,600 2,140 1,380 586 300 497 345 665 407
20 533 1,110 1,480 1,780 2,090 1,390 664 310 352 285 667 366
21 543 1,300 1,480 1,810 2,010 1,380 670 330 261 240 648 376
22 579 1,480 1,400 1,830 1,720 1,480 806 290 322 210 667 354
23 658 1,540 1,320 1,740 1,500 1,470 911 280 360 247 618 347
24 804 1,600 1,190 1,690 1,340 1,340 915 255 375 337 506 452
25 786 1,550 1,160 1,720 1,300 1,310 906 262 466 396 454 564
26 738 1,390 1,270 1,640 1,370 1,330 901 288 607 421 418 583
27 739 1,310 1,230 1,540 1,500 1,390 887 263 651 394 431 695
28 721 1,260 1,190 1,550 1,620 1,290 772 234 620 389 521 782
29 695 1,140 1,340 1,450 1,640 1,310 692 273 563 373 517 823
30 725   1,380 1,350 1,530 1,160 596 270 482 415 517 835
31 731   1,460   1,440   609 177   443   796