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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 05578000 SANGAMON RIVER AT PETERSBURG, IL


Menard County, Illinois
Hydrologic Unit Code 07130008
Latitude  40°00'48", Longitude  89°50'18" NAD83
Drainage area 3,063  square miles
Gage datum 473.67 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 1947-10-01 -> 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 4,870 2,010 3,970 4,380 5,620 4,270 5,580 1,290 713 478 1,470 1,410
2 4,970 2,020 3,720 4,330 6,340 4,280 5,030 1,030 975 412 1,470 1,720
3 4,810 2,060 3,540 4,200 6,970 4,330 4,420 906 1,170 535 1,350 1,810
4 4,500 2,120 3,300 4,070 7,140 4,210 3,920 826 1,200 788 1,190 1,700
5 4,010 2,120 3,070 3,960 6,870 3,950 3,450 709 1,230 881 1,070 1,580
6 3,610 2,110 2,840 3,850 6,540 3,610 3,120 638 1,170 932 973 1,430
7 3,160 2,050 2,600 3,650 6,150 3,280 2,710 561 1,010 955 883 1,320
8 2,670 1,930 2,430 3,390 5,760 3,080 2,440 509 1,100 959 776 1,270
9 2,290 1,940 2,420 3,280 5,470 3,050 2,400 523 1,010 853 692 1,160
10 1,980 1,950 2,680 3,230 5,040 2,840 2,390 635 934 740 696 979
11 2,020 2,060 2,780 3,190 4,660 2,630 2,560 594 959 678 662 871
12 2,270 2,110 2,820 3,240 4,670 2,820 2,560 546 938 642 595 848
13 2,510 2,120 2,940 3,000 4,500 2,990 2,540 763 855 621 549 831
14 2,700 2,150 3,030 2,890 4,240 3,100 2,370 752 818 651 524 870
15 2,800 2,050 3,150 2,920 4,070 3,260 2,340 705 769 766 515 991
16 2,810 2,060 3,190 2,980 3,890 3,640 2,260 728 722 833 514 1,060
17 2,680 2,240 3,110 3,010 4,240 3,960 2,170 776 725 850 494 1,100
18 2,550 2,550 3,070 3,010 5,040 4,200 2,030 859 669 838 473 997
19 2,490 2,790 3,280 3,170 5,360 4,470 1,840 898 592 798 465 946
20 2,540 3,170 3,450 3,560 5,670 4,730 1,790 905 510 758 469 881
21 2,600 3,720 3,410 3,930 5,660 4,840 1,900 838 457 707 457 866
22 2,520 3,870 3,360 4,080 5,770 4,980 1,900 774 476 633 471 848
23 2,440 3,950 3,210 4,140 5,820 5,090 1,700 753 517 568 497 842
24 2,530 4,020 3,150 4,090 5,490 5,400 1,440 617 497 564 528 1,020
25 2,560 4,060 3,310 4,270 4,950 5,660 1,350 563 461 844 639 1,130
26 2,630 4,090 3,530 4,660 4,620 5,930 1,510 492 427 939 835 1,190
27 2,610 4,110 3,590 4,600 4,610 6,410 1,650 469 397 993 984 1,440
28 2,440 4,200 3,640 4,430 4,520 6,440 1,590 665 371 1,010 998 1,870
29 2,250 2,970 3,710 4,370 4,280 6,330 1,510 918 493 1,040 1,030 2,540
30 2,100   3,890 4,770 4,330 6,020 1,400 853 606 1,060 1,110 3,220
31 2,000   4,290   4,370   1,350 730   1,280   4,580