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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 05592500 KASKASKIA RIVER AT VANDALIA, IL


Fayette County, Illinois
Hydrologic Unit Code 07140202
Latitude  38°57'38.2", Longitude  89°05'19.7" NAD83
Drainage area 1,940  square miles
Gage datum 452.80 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 1969-10-01 -> 2026-09-30)

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 3,090 2,830 2,890 3,260 3,240 1,680 1,550 1,320 776 365 660 1,280
2 2,800 2,970 2,700 3,040 2,710 1,720 1,480 1,340 897 365 776 1,330
3 2,500 2,790 2,610 2,870 2,410 1,530 1,450 1,400 811 381 714 1,290
4 2,500 2,580 2,840 2,840 2,290 1,450 1,410 1,320 716 438 580 1,370
5 2,710 2,640 3,030 2,810 2,310 1,560 1,400 1,130 623 510 512 1,470
6 2,940 2,640 3,070 2,860 2,200 1,560 1,400 1,140 559 517 538 1,500
7 2,610 2,690 3,090 2,620 2,280 1,590 1,420 1,100 503 599 542 1,400
8 2,320 2,820 2,960 2,350 2,370 1,710 1,450 988 513 671 532 1,270
9 2,230 2,720 2,950 2,280 2,480 1,890 1,500 940 606 667 525 1,270
10 2,190 2,540 2,980 2,420 2,410 1,720 1,580 968 571 568 620 1,290
11 2,500 2,540 2,940 2,600 2,410 1,550 1,580 928 575 466 682 1,440
12 2,850 2,600 3,060 2,860 2,410 1,690 1,380 878 546 456 740 1,800
13 2,790 2,490 3,010 2,720 2,640 1,680 1,390 912 535 495 739 1,800
14 2,670 2,310 2,970 2,610 2,410 1,820 1,370 887 561 563 828 1,760
15 2,580 2,230 2,950 2,550 2,170 1,930 1,300 847 635 580 950 1,910
16 2,440 2,230 2,970 2,530 2,020 1,990 1,320 930 555 583 972 1,910
17 2,400 2,290 2,830 2,450 1,780 2,010 1,350 964 474 562 892 1,800
18 2,530 2,410 2,900 2,260 2,030 1,870 1,390 941 428 556 908 1,700
19 2,610 2,490 3,000 2,590 2,310 1,890 1,350 894 373 536 1,050 1,640
20 2,630 2,560 3,290 2,850 1,990 2,090 1,460 842 389 557 1,070 1,730
21 2,630 2,740 3,450 2,750 1,740 2,190 1,530 802 368 619 1,010 1,810
22 2,620 3,110 3,160 2,730 1,560 2,060 1,460 789 354 631 902 1,850
23 2,630 3,590 2,770 2,770 1,520 1,910 1,410 798 431 654 825 1,840
24 2,750 3,730 2,660 2,630 1,550 1,980 1,260 782 478 599 857 2,010
25 2,650 3,370 2,800 2,620 1,460 1,940 1,230 797 471 552 1,030 2,260
26 2,630 3,090 2,920 2,510 1,470 1,880 1,330 727 554 523 1,190 2,510
27 2,570 3,090 2,890 2,460 1,560 1,860 1,280 755 561 554 1,290 2,870
28 2,520 3,120 2,890 2,590 1,750 1,950 1,200 719 545 558 1,460 3,120
29 2,500 2,040 2,900 3,030 1,670 1,860 1,210 728 481 514 1,460 3,250
30 2,580   3,000 3,290 1,520 1,670 1,260 716 389 560 1,300 3,260
31 2,670   3,170   1,480   1,360 725   651   3,160