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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 02224940 ALTAMAHA RIVER AT US 221, NR CHARLOTTEVILLE, GA


Montgomery County, Georgia
Hydrologic Unit Code 03070106
Latitude  31°57'28.3", Longitude  82°31'01.3" NAD83
Drainage area 11,400  square miles
Gage datum 73.46 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 2008-10-01 -> 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 19,300 17,700 21,700 15,200 14,100 7,220 5,010 4,750 5,170 8,130 4,060 5,530
2 19,900 18,000 20,600 16,000 13,300 7,160 5,130 4,650 4,900 7,880 4,070 5,440
3 20,100 18,000 19,900 18,100 12,600 7,020 5,260 4,690 4,600 7,570 4,170 5,820
4 20,000 18,200 19,700 19,900 11,800 6,920 5,370 4,560 4,280 7,360 4,160 6,290
5 20,300 18,600 20,300 21,200 11,200 6,870 5,550 4,580 3,990 7,130 4,180 6,640
6 20,900 18,500 21,200 21,700 10,900 7,000 5,680 5,190 3,790 6,800 4,110 6,760
7 21,100 18,200 21,400 22,100 10,700 7,120 5,830 5,770 3,640 6,370 4,060 6,740
8 20,800 17,900 21,100 22,700 10,600 7,230 5,840 5,780 3,570 6,030 4,610 6,710
9 20,500 17,700 20,700 22,700 10,300 7,260 5,760 5,560 3,500 6,210 5,410 6,940
10 20,500 17,500 20,600 22,100 9,780 7,050 5,890 5,290 3,350 6,250 5,790 7,340
11 20,500 17,600 20,700 21,400 9,350 6,840 6,150 4,520 3,230 6,120 5,610 7,780
12 20,100 18,500 20,800 20,400 9,200 6,840 6,240 4,380 3,300 6,000 5,310 8,050
13 19,300 20,900 20,700 20,100 9,020 6,830 6,380 4,360 3,340 5,960 5,240 8,560
14 18,300 22,800 20,200 20,300 8,870 6,920 6,360 4,310 3,580 6,350 5,290 9,310
15 17,500 23,700 19,900 20,300 8,860 7,010 6,220 4,350 3,710 7,210 5,610 10,200
16 16,700 23,800 19,900 20,100 8,930 6,820 6,300 4,540 3,760 7,760 6,040 11,000
17 16,000 23,700 19,700 19,500 8,730 6,430 6,480 4,670 3,830 7,630 6,630 11,600
18 15,800 23,800 19,300 18,500 8,420 5,980 6,470 4,780 3,830 7,110 7,200 12,200
19 15,600 24,300 18,600 17,200 8,270 5,720 6,360 5,050 3,930 6,390 7,860 12,900
20 15,300 24,500 18,000 16,500 8,190 5,710 6,300 5,340 3,940 5,840 8,440 13,400
21 15,200 24,400 17,400 16,300 8,010 5,770 6,200 5,650 4,180 5,590 8,750 13,900
22 15,700 24,000 16,800 15,800 7,810 5,870 6,020 5,820 4,430 5,580 9,080 14,100
23 16,500 23,500 16,300 14,900 7,570 6,080 5,880 5,900 4,680 5,540 9,410 13,800
24 17,000 23,100 15,800 14,400 7,360 6,030 5,790 6,070 5,100 5,440 9,220 14,200
25 17,000 23,100 15,400 14,400 7,430 5,820 5,790 6,300 5,520 5,280 8,510 14,300
26 16,700 23,500 15,000 14,700 7,350 5,660 5,590 6,300 5,830 4,950 7,720 14,900
27 16,400 23,600 14,800 15,100 7,150 5,590 5,410 6,190 6,410 4,500 7,120 15,000
28 16,300 23,200 14,600 15,300 7,120 5,550 5,260 6,090 6,850 4,380 6,760 15,200
29 16,300 32,400 14,700 15,200 7,100 5,350 5,170 5,880 7,200 4,290 6,190 16,300
30 16,600   14,900 14,800 7,140 5,010 5,130 5,540 7,850 4,190 5,800 17,700
31 17,100   15,000   7,200   4,970 5,340   4,110   18,500