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USGS Daily Statistics for Michigan

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NOTE: During winter months, stage and discharge may be affected by ice. Click here for more information.



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 04116000 GRAND RIVER AT IONIA, MI


Ionia County, Michigan
Hydrologic Unit Code 04050006
Latitude  42°58'19", Longitude  85°04'09" NAD27
Drainage area 2,840  square miles
Gage datum 614.63 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 1930-10-01 -> 2021-09-30)

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 2,520 2,320 3,420 4,540 3,600 2,310 1,660 914 822 1,190 1,310 2,100
2 2,500 2,330 3,440 4,530 3,600 2,260 1,570 872 844 1,380 1,410 2,080
3 2,440 2,260 3,490 4,500 3,520 2,220 1,480 851 808 1,440 1,480 2,080
4 2,360 2,220 3,710 4,450 3,380 2,140 1,410 855 808 1,480 1,490 2,060
5 2,320 2,200 3,940 4,410 3,200 2,070 1,380 858 787 1,420 1,510 2,010
6 2,350 2,190 4,160 4,370 3,030 1,980 1,350 846 784 1,340 1,590 2,000
7 2,270 2,130 4,200 4,500 2,920 1,930 1,280 829 801 1,320 1,610 1,960
8 2,210 2,130 4,190 4,510 2,840 1,900 1,270 819 811 1,250 1,560 1,970
9 2,180 2,150 4,190 4,460 2,750 1,880 1,300 830 842 1,190 1,530 1,950
10 2,160 2,210 4,230 4,410 2,800 1,830 1,270 833 883 1,170 1,520 1,950
11 2,170 2,270 4,390 4,320 2,930 1,820 1,230 841 896 1,160 1,540 1,910
12 2,250 2,310 4,560 4,330 3,000 1,820 1,210 815 921 1,150 1,550 1,910
13 2,310 2,330 4,740 4,280 3,050 1,840 1,170 778 928 1,110 1,540 1,950
14 2,330 2,280 4,900 4,170 3,060 1,830 1,180 754 933 1,110 1,560 1,950
15 2,310 2,250 5,080 4,080 3,050 1,860 1,160 759 972 1,130 1,580 1,990
16 2,240 2,260 5,090 4,050 3,120 1,830 1,100 764 1,000 1,160 1,620 2,000
17 2,190 2,280 4,960 3,970 3,130 1,760 1,040 797 990 1,170 1,630 1,960
18 2,240 2,380 4,740 3,910 3,120 1,730 990 805 973 1,200 1,630 1,930
19 2,220 2,520 4,550 3,900 3,240 1,770 965 790 956 1,190 1,640 1,880
20 2,140 2,650 4,490 3,930 3,290 1,840 940 803 927 1,220 1,680 1,850
21 2,130 2,980 4,420 4,000 3,180 1,870 938 863 922 1,210 1,700 1,850
22 2,140 3,300 4,380 3,960 3,130 1,860 940 872 938 1,180 1,690 1,850
23 2,210 3,410 4,370 3,870 3,020 1,820 954 897 1,000 1,210 1,640 1,860
24 2,300 3,390 4,340 3,780 2,890 1,830 900 890 1,030 1,280 1,670 1,860
25 2,360 3,440 4,320 3,720 2,780 1,850 907 882 996 1,340 1,710 1,920
26 2,310 3,500 4,280 3,760 2,650 1,850 925 833 983 1,310 1,690 1,940
27 2,210 3,460 4,240 3,730 2,550 1,830 903 816 1,000 1,320 1,720 1,970
28 2,170 3,430 4,240 3,690 2,460 1,760 865 823 1,020 1,330 1,860 2,120
29 2,130 2,650 4,310 3,720 2,440 1,730 905 834 1,010 1,280 1,970 2,180
30 2,190   4,400 3,620 2,360 1,690 933 845 1,030 1,270 2,050 2,280
31 2,290   4,460   2,330   932 820   1,290   2,360