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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 05555300 VERMILION RIVER NEAR LEONORE, IL


Lasalle County, Illinois
Hydrologic Unit Code 07130002
Latitude  41°12'30", Longitude  88°55'51" NAD27
Drainage area 1,251  square miles
Gage datum 520.58 feet above NGVD29
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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 1971-10-01 -> 2022-09-30)

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 1,610 855 1,430 1,850 2,370 1,870 1,210 371 340 334 791 962
2 1,300 860 1,430 1,820 2,450 1,900 1,020 279 323 356 781 1,110
3 1,040 1,000 1,460 1,770 2,040 1,620 923 222 459 436 783 1,310
4 1,110 1,140 1,610 1,660 1,650 1,410 817 199 343 676 705 1,410
5 1,300 1,220 2,110 1,540 1,390 1,380 803 201 236 661 636 1,200
6 1,220 1,200 2,020 1,590 1,280 1,560 743 249 223 447 586 1,010
7 1,050 1,190 1,930 1,510 1,560 1,380 794 264 322 407 495 980
8 1,040 1,110 1,940 1,450 1,630 1,480 733 245 427 370 426 981
9 1,190 1,090 2,090 1,520 1,740 1,380 643 236 473 372 380 920
10 1,110 1,060 2,320 1,590 1,910 1,320 712 227 534 317 420 814
11 1,130 890 2,600 1,680 1,930 1,310 759 225 517 320 470 774
12 1,190 994 2,290 2,130 2,010 1,280 894 240 410 317 498 1,080
13 1,310 1,050 2,060 2,270 2,100 1,360 1,120 225 389 340 532 1,080
14 1,320 1,100 2,130 2,160 2,270 1,480 1,030 210 740 379 597 1,080
15 1,230 994 2,180 1,960 2,460 1,400 845 363 1,070 381 590 1,070
16 1,060 889 2,020 1,920 2,170 1,340 718 453 889 348 645 1,050
17 875 1,170 1,960 1,880 1,780 1,250 615 431 594 428 640 992
18 756 1,460 2,160 2,220 1,960 1,250 624 280 597 524 666 920
19 738 1,460 2,350 2,090 1,990 1,380 905 283 427 507 878 793
20 939 1,600 2,170 1,770 1,700 1,480 915 493 355 465 913 709
21 1,040 1,870 1,890 1,680 1,450 1,480 790 554 288 385 785 740
22 978 2,090 1,670 1,730 1,360 1,740 741 462 243 361 642 835
23 925 2,140 1,780 1,800 1,400 1,740 647 447 209 408 608 891
24 1,020 2,070 1,810 1,680 1,390 1,440 538 481 196 520 598 920
25 1,100 2,050 1,650 1,490 1,410 1,280 528 371 213 666 605 1,140
26 976 1,690 1,460 1,740 1,560 1,190 522 363 234 693 665 1,180
27 909 1,640 1,350 1,680 1,920 1,200 471 296 253 710 866 1,230
28 873 1,520 1,390 1,660 2,020 1,300 422 361 341 589 1,300 1,290
29 755 636 1,590 1,600 1,980 1,290 409 374 318 506 1,270 1,460
30 715   2,000 2,040 1,840 1,280 415 282 297 666 1,050 1,740
31 815   1,930   1,910   440 262   864   1,680