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USGS Daily Statistics for Michigan

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NOTE: During winter months, stage and discharge may be significantly affected by backwater from ice, resulting in incorrect discharge data. Consequently, discharge data may not be displayed during periods of ice effect. 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 04119000 GRAND RIVER AT GRAND RAPIDS, MI


Kent County, Michigan
Hydrologic Unit Code 04050006
Latitude  42°57'47", Longitude  85°40'38" NAD27
Drainage area 4,900  square miles
Gage datum 585.24 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 1900-10-01 -> 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 4,240 4,070 6,080 7,930 6,030 4,190 3,110 1,920 1,930 2,290 2,700 3,560
2 4,280 4,090 6,100 7,930 6,020 4,150 3,050 1,890 1,930 2,410 2,750 3,600
3 4,300 4,100 6,100 7,950 5,920 4,150 3,040 1,870 1,910 2,550 2,830 3,580
4 4,290 4,060 6,200 8,010 5,700 4,120 2,920 1,890 1,860 2,660 2,890 3,600
5 4,300 3,990 6,430 8,010 5,510 4,070 2,880 1,890 1,830 2,700 2,940 3,600
6 4,260 3,970 6,650 8,040 5,320 4,110 2,810 1,880 1,810 2,690 3,020 3,580
7 4,210 3,930 6,930 8,120 5,140 4,070 2,700 1,860 1,790 2,710 3,040 3,560
8 4,130 3,880 7,090 8,100 5,030 4,120 2,620 1,830 1,810 2,680 3,010 3,540
9 4,050 3,900 7,260 8,020 4,930 4,050 2,580 1,820 1,840 2,600 3,010 3,490
10 4,000 3,930 7,360 7,880 4,980 3,920 2,510 1,820 1,870 2,520 3,050 3,450
11 3,970 3,980 7,510 7,730 5,080 3,810 2,460 1,820 1,890 2,490 3,070 3,460
12 3,950 4,020 7,630 7,560 5,180 3,750 2,410 1,810 1,930 2,450 3,050 3,440
13 4,010 4,150 7,770 7,440 5,300 3,680 2,400 1,810 1,980 2,400 3,050 3,470
14 4,010 4,260 7,920 7,310 5,360 3,620 2,380 1,790 1,990 2,370 3,070 3,450
15 4,010 4,380 8,060 7,160 5,410 3,560 2,340 1,780 2,030 2,390 3,090 3,440
16 3,990 4,460 8,210 7,010 5,400 3,520 2,280 1,790 2,020 2,410 3,090 3,490
17 3,940 4,520 8,300 6,890 5,400 3,460 2,240 1,800 2,070 2,460 3,080 3,510
18 3,950 4,570 8,350 6,770 5,380 3,450 2,220 1,810 2,060 2,530 3,110 3,480
19 3,940 4,660 8,410 6,690 5,340 3,370 2,140 1,840 2,020 2,490 3,090 3,420
20 3,860 4,820 8,330 6,650 5,380 3,330 2,090 1,900 2,010 2,460 3,110 3,350
21 3,810 5,040 8,130 6,680 5,410 3,330 2,070 1,920 2,020 2,490 3,130 3,310
22 3,790 5,270 8,010 6,640 5,370 3,320 2,060 1,950 2,070 2,470 3,160 3,320
23 3,790 5,480 7,970 6,590 5,290 3,320 2,050 1,930 2,170 2,500 3,180 3,350
24 3,850 5,660 7,890 6,530 5,140 3,330 2,020 1,920 2,210 2,590 3,200 3,380
25 3,920 5,830 7,980 6,440 4,960 3,390 1,960 1,920 2,180 2,670 3,200 3,450
26 4,020 5,850 8,080 6,390 4,840 3,410 1,940 1,900 2,190 2,680 3,170 3,500
27 4,040 5,900 8,090 6,320 4,680 3,370 1,920 1,870 2,180 2,690 3,210 3,570
28 4,020 5,970 8,020 6,240 4,560 3,310 1,960 1,890 2,210 2,700 3,300 3,740
29 4,020 5,380 7,910 6,150 4,470 3,240 1,970 1,950 2,230 2,670 3,390 3,860
30 4,040   7,900 6,070 4,360 3,200 1,960 1,960 2,230 2,660 3,480 4,010
31 4,040   7,870   4,260   1,960 1,970   2,680   4,170