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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 02198500 SAVANNAH RIVER NEAR CLYO, GA


Effingham County, Georgia
Hydrologic Unit Code 03060109
Latitude  32°31'42.8", Longitude  81°16'06" NAD83
Drainage area 9,850  square miles
Gage datum 12.73 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 1929-10-01 -> 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 12,200 13,900 16,600 17,900 12,300 9,510 8,710 8,870 8,580 8,520 8,300 9,370
2 12,600 13,900 16,400 17,600 12,100 9,420 8,570 8,890 8,470 9,540 8,110 9,520
3 13,000 13,900 16,400 17,300 12,000 9,360 8,510 8,850 8,400 9,540 7,960 9,860
4 13,200 14,100 16,400 17,300 12,000 9,310 8,550 8,760 8,310 9,530 7,840 10,300
5 13,200 14,300 16,700 17,100 11,900 9,280 8,530 8,720 8,270 9,560 7,790 10,500
6 13,400 14,500 16,900 17,100 11,900 9,240 8,440 8,670 8,330 9,640 7,780 10,600
7 13,500 14,600 17,100 17,000 11,900 9,230 8,390 8,650 8,350 9,690 7,790 10,600
8 13,500 14,700 17,000 17,000 12,100 9,260 8,410 8,630 8,310 9,750 7,770 10,500
9 13,400 14,700 16,900 16,900 12,100 9,340 8,430 8,650 8,270 9,770 7,770 10,300
10 13,300 14,700 16,800 16,800 11,900 9,480 8,450 8,660 8,210 9,790 7,810 10,300
11 13,300 14,800 16,600 16,700 11,600 9,600 8,530 8,720 8,120 8,950 7,960 10,300
12 13,500 14,800 16,500 16,400 11,300 9,650 8,620 8,760 8,080 8,600 8,090 10,300
13 13,700 14,800 16,500 16,300 11,200 9,660 8,610 8,700 7,990 8,370 8,230 10,300
14 14,100 15,000 16,700 16,300 11,100 9,690 8,630 8,650 7,870 8,230 8,260 10,400
15 14,300 15,300 16,900 16,500 11,100 9,800 8,770 8,650 7,820 8,140 8,240 10,600
16 14,200 15,700 17,100 16,600 11,000 9,890 9,020 8,640 7,810 8,090 8,260 10,800
17 14,000 16,000 17,000 16,500 10,900 9,910 9,200 8,560 7,830 7,990 8,310 11,000
18 13,800 16,100 16,900 16,300 10,800 9,860 9,260 8,490 7,770 7,920 8,390 11,200
19 13,800 16,100 16,800 15,900 10,700 9,720 9,270 8,990 7,690 7,890 8,550 11,300
20 13,700 16,100 16,800 15,500 10,600 9,630 9,260 9,490 7,610 7,850 8,680 11,400
21 13,700 16,000 16,700 15,200 10,500 9,520 9,230 9,710 7,500 7,780 8,700 11,500
22 13,800 15,900 16,600 14,900 10,300 9,360 9,170 9,750 7,420 7,740 8,730 11,500
23 14,000 15,800 16,700 14,600 10,100 9,190 9,150 9,620 7,380 7,770 8,810 11,500
24 14,200 15,900 16,800 14,300 9,850 9,090 9,140 9,320 7,380 7,790 8,910 11,600
25 14,600 16,100 16,900 14,000 9,690 8,990 9,150 9,060 7,430 7,840 9,010 11,600
26 15,000 16,400 17,200 13,700 9,640 8,940 9,070 8,920 7,460 7,990 9,180 11,600
27 15,100 16,600 17,700 13,500 9,690 8,920 9,000 8,900 7,430 8,080 9,350 11,600
28 15,000 16,600 18,200 13,200 9,680 8,960 8,850 9,000 7,420 8,180 9,420 11,700
29 14,700 18,500 18,400 12,900 9,610 8,960 8,720 8,960 7,430 8,300 9,400 11,900
30 14,400   18,300 12,600 9,570 8,830 8,610 8,860 7,460 8,370 9,360 12,000
31 14,100   18,100   9,560   8,630 8,720   8,400   12,100