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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 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 474.00 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 1947-10-01 -> 2020-09-30)

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 5,400 1,980 4,080 4,130 4,830 4,270 5,180 1,170 616 511 900 1,570
2 5,490 2,010 3,770 4,180 5,510 4,370 4,420 901 876 438 874 1,940
3 5,280 2,010 3,460 4,160 6,230 4,490 3,740 773 1,170 583 788 2,030
4 4,910 2,050 3,110 4,160 6,510 4,410 3,210 703 1,240 854 747 1,910
5 4,360 2,030 2,890 4,160 6,320 4,160 2,720 606 1,190 954 714 1,770
6 3,910 2,000 2,700 4,070 6,070 3,780 2,420 552 1,140 1,010 691 1,590
7 3,430 1,950 2,510 3,870 5,760 3,420 2,090 498 1,010 1,040 695 1,460
8 2,890 1,850 2,380 3,550 5,460 3,160 1,990 467 1,150 1,050 634 1,410
9 2,470 1,900 2,440 3,420 5,270 3,140 2,280 424 1,060 928 580 1,270
10 2,130 1,830 2,780 3,380 4,920 2,890 2,310 411 991 793 609 1,060
11 2,200 1,750 2,900 3,350 4,630 2,630 2,410 379 1,030 717 595 929
12 2,450 1,730 2,920 3,330 4,740 2,890 2,400 377 1,020 621 532 882
13 2,710 1,730 3,040 3,020 4,620 3,140 2,200 638 917 539 485 856
14 2,910 1,770 3,170 2,940 4,390 3,310 1,980 650 883 573 457 894
15 3,020 1,750 3,260 3,030 4,190 3,510 2,060 589 835 712 447 1,010
16 3,030 1,830 3,270 3,150 3,940 3,980 1,910 614 786 761 439 1,090
17 2,890 2,060 3,160 3,200 3,980 4,400 1,770 672 796 757 414 1,150
18 2,750 2,350 3,000 3,210 4,060 4,690 1,680 721 735 738 409 1,050
19 2,680 2,550 2,780 3,420 3,820 5,020 1,550 702 648 685 409 991
20 2,740 2,980 2,640 3,890 3,850 5,320 1,580 685 556 637 417 920
21 2,810 3,650 2,410 4,340 3,850 5,440 1,760 657 484 591 413 905
22 2,720 3,870 2,200 4,520 4,190 5,600 1,740 685 483 533 434 888
23 2,640 4,010 2,040 4,610 4,500 5,720 1,560 732 532 498 470 887
24 2,730 4,130 2,050 4,560 4,320 5,970 1,280 608 512 452 510 1,100
25 2,760 4,200 2,310 4,540 3,890 6,210 1,200 562 460 403 641 1,230
26 2,830 4,190 2,600 4,500 3,760 6,380 1,450 484 420 407 863 1,290
27 2,820 4,170 2,760 4,280 4,070 6,610 1,640 447 390 480 1,050 1,590
28 2,630 4,280 2,930 4,000 4,260 6,530 1,580 676 365 547 1,070 2,090
29 2,230 1,830 3,100 3,840 4,150 6,270 1,520 957 514 554 1,110 2,870
30 2,080   3,340 4,100 4,230 5,840 1,420 887 656 550 1,220 3,560
31 1,990   3,910   4,290   1,350 739   752   5,120