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USGS Surface-Water 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 05437050 PECATONICA RIVER NR SHIRLAND, ILL


Winnebago County, Illinois
Hydrologic Unit Code 07090003
Latitude  42°26'17", Longitude  89°10'30" NAD83
Drainage area 2,556  square miles
Gage datum 711.59 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 1939-10-01 -> 2024-09-30)

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 1,760 1,620 3,580 2,930 2,550 2,200 2,450 1,940 1,610 1,490 1,580 1,540
2 1,760 1,560 3,580 2,890 2,530 2,220 2,400 1,870 1,590 1,540 1,560 1,540
3 1,720 1,540 3,500 2,830 2,510 2,290 2,320 1,860 1,620 1,600 1,540 1,550
4 1,650 1,520 3,380 2,760 2,470 2,310 2,260 1,790 1,600 1,670 1,550 1,540
5 1,600 1,530 3,290 2,720 2,410 2,300 2,200 1,740 1,560 1,730 1,540 1,520
6 1,740 1,530 3,270 2,710 2,350 2,220 2,140 1,700 1,530 1,780 1,540 1,510
7 1,850 1,570 3,270 2,670 2,290 2,120 2,080 1,720 1,520 1,810 1,530 1,480
8 1,870 1,610 3,240 2,640 2,200 2,050 2,050 1,770 1,550 1,800 1,520 1,460
9 1,860 1,650 3,220 2,620 2,170 2,040 2,060 1,780 1,590 1,780 1,510 1,430
10 1,810 1,730 3,220 2,580 2,170 2,070 2,000 1,780 1,620 1,790 1,520 1,420
11 1,810 1,830 3,320 2,570 2,250 2,090 1,930 1,810 1,620 1,790 1,520 1,420
12 1,790 1,870 3,470 2,600 2,300 2,120 1,860 1,830 1,640 1,770 1,530 1,430
13 1,740 1,850 3,740 2,640 2,280 2,230 1,900 1,830 1,710 1,730 1,550 1,390
14 1,700 1,900 4,100 2,650 2,280 2,440 1,940 1,820 1,720 1,700 1,560 1,350
15 1,730 1,950 4,330 2,640 2,300 2,490 1,950 1,790 1,700 1,690 1,570 1,370
16 1,740 2,000 4,570 2,610 2,330 2,490 1,900 1,740 1,630 1,670 1,550 1,430
17 1,720 1,980 4,640 2,590 2,330 2,480 1,890 1,670 1,580 1,640 1,550 1,470
18 1,710 1,990 4,490 2,600 2,340 2,470 1,870 1,630 1,520 1,610 1,550 1,500
19 1,660 2,020 4,400 2,600 2,270 2,500 1,900 1,520 1,490 1,580 1,520 1,510
20 1,580 2,210 4,200 2,610 2,210 2,510 2,000 1,490 1,500 1,560 1,500 1,510
21 1,580 2,410 4,180 2,610 2,130 2,520 1,970 1,490 1,500 1,550 1,480 1,490
22 1,580 2,600 4,010 2,570 2,120 2,580 1,920 1,510 1,580 1,540 1,450 1,480
23 1,600 2,720 3,800 2,490 2,120 2,630 1,900 1,550 1,610 1,550 1,430 1,460
24 1,630 2,820 3,620 2,440 2,100 2,630 1,990 1,560 1,590 1,590 1,400 1,480
25 1,660 2,880 3,500 2,480 2,090 2,610 2,070 1,580 1,540 1,630 1,390 1,510
26 1,700 3,010 3,460 2,560 2,070 2,590 2,160 1,610 1,480 1,650 1,410 1,570
27 1,720 3,290 3,390 2,620 2,090 2,550 2,230 1,710 1,460 1,660 1,460 1,650
28 1,720 3,460 3,250 2,630 2,130 2,510 2,230 1,790 1,480 1,660 1,490 1,760
29 1,690 3,860 3,190 2,600 2,180 2,540 2,180 1,780 1,490 1,650 1,510 1,790
30 1,700   3,090 2,550 2,170 2,480 2,090 1,740 1,510 1,630 1,520 1,780
31 1,670   2,980   2,180   2,010 1,650   1,600   1,790