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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 05583000 SANGAMON RIVER NEAR OAKFORD, IL


Mason County, Illinois
Hydrologic Unit Code 07130008
Latitude  40°07'24.1", Longitude  89°59'02.3" NAD83
Drainage area 5,093  square miles
Gage datum 452.50 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 1909-10-01 -> 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 4,140 3,890 5,160 6,020 7,010 5,550 4,690 2,000 1,130 1,110 1,680 2,370
2 4,160 3,900 4,990 6,010 7,150 5,430 4,360 2,000 1,190 1,130 1,860 2,440
3 4,040 3,940 4,860 6,110 7,120 5,340 4,010 2,040 1,260 1,140 1,910 2,630
4 3,910 4,120 4,930 6,110 6,820 5,260 3,770 2,130 1,210 1,550 1,890 2,780
5 3,900 4,390 5,110 6,040 6,520 5,180 3,520 2,220 1,200 1,380 1,830 2,950
6 3,880 4,520 5,180 6,040 6,340 5,150 3,420 2,320 1,180 1,360 1,770 2,810
7 3,800 4,540 5,090 6,020 6,260 5,240 3,340 2,230 1,110 1,290 1,730 2,490
8 3,730 4,430 5,020 5,850 6,530 5,150 3,380 2,050 1,080 1,280 1,660 2,480
9 3,650 4,320 4,930 5,620 6,680 5,330 3,390 1,880 1,050 1,270 1,590 2,410
10 3,550 4,430 4,990 5,470 6,640 5,310 3,440 1,780 1,050 1,410 1,600 2,380
11 3,510 4,380 5,060 5,510 6,520 5,180 3,540 1,670 1,060 1,310 1,590 2,400
12 3,470 4,300 5,120 5,840 6,620 5,130 3,670 1,550 1,000 1,350 1,550 2,460
13 3,460 4,270 5,100 6,030 6,630 5,210 3,630 1,540 951 1,360 1,520 2,520
14 3,560 4,210 5,220 6,360 6,720 5,180 3,440 1,500 1,140 1,320 1,540 2,520
15 3,730 4,160 5,330 6,870 6,830 5,240 3,270 1,420 1,340 1,320 1,570 2,540
16 3,670 4,030 5,540 6,880 6,700 5,380 3,210 1,400 1,460 1,320 1,600 2,620
17 3,560 4,110 5,610 6,790 6,740 5,290 3,100 1,470 1,490 1,340 1,720 2,590
18 3,490 4,290 5,670 6,490 7,200 5,100 2,920 1,490 1,440 1,370 1,830 2,540
19 3,510 4,340 5,860 6,320 7,670 5,070 2,700 1,350 1,340 1,350 1,990 2,470
20 3,640 4,380 5,990 6,230 8,020 5,180 2,530 1,290 1,360 1,320 2,100 2,380
21 3,680 4,550 6,000 6,310 7,630 5,270 2,420 1,290 1,440 1,260 2,210 2,380
22 3,690 4,810 5,940 6,430 7,220 5,370 2,460 1,280 1,400 1,210 2,210 2,470
23 3,850 5,240 5,810 6,460 6,780 5,420 2,440 1,210 1,350 1,260 2,250 2,520
24 4,030 5,290 5,710 6,520 6,410 5,380 2,360 1,230 1,330 1,370 2,240 2,640
25 4,130 5,450 5,650 6,670 6,190 5,280 2,250 1,150 1,310 1,440 2,230 2,880
26 4,080 5,440 5,590 6,860 6,110 5,160 2,230 1,130 1,300 1,480 2,260 3,000
27 4,010 5,340 5,560 6,870 6,080 5,210 2,280 1,150 1,290 1,460 2,300 3,130
28 3,990 5,300 5,570 6,780 6,030 5,170 2,200 1,120 1,250 1,420 2,360 3,230
29 3,950 3,720 5,650 6,710 5,850 5,050 2,100 1,170 1,290 1,370 2,380 3,330
30 3,980   5,750 6,820 5,730 4,960 2,010 1,180 1,390 1,460 2,340 3,530
31 3,920   5,960   5,710   1,970 1,140   1,560   3,870