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USGS Daily Statistics for Florida

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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 02246500 ST. JOHNS RIVER AT JACKSONVILLE, FL


Duval County, Florida
Hydrologic Unit Code 03080103
Latitude  30°19'20", Longitude  81°39'56" NAD27
Drainage area 8,850  square miles
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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 1971-10-01 -> 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 6,510 5,800 9,450 7,120 2,870 2,210 8,940 6,730 7,970 4,950 9,610 12,600
2 4,490 7,000 8,750 6,510 1,710 6,850 6,440 6,530 6,930 7,100 7,480 7,210
3 4,700 9,460 7,520 5,630 7,190 9,880 6,840 6,540 4,860 9,480 4,330 5,690
4 9,550 9,130 4,790 7,080 3,740 6,920 8,720 8,140 1,930 9,260 7,760 5,160
5 7,370 4,810 4,010 2,930 3,110 5,220 9,530 9,300 4,970 5,860 1,820 9,710
6 6,690 4,440 -631 5,320 1,900 4,940 8,700 9,040 9,920 8,160 6,270 9,740
7 3,600 8,310 -696 9,360 1,560 4,270 8,660 6,050 9,420 6,390 10,200 5,860
8 3,870 8,010 3,400 9,510 4,750 6,080 5,260 6,120 9,160 15,100 6,160 -109
9 4,590 1,380 5,990 5,630 5,140 9,250 4,840 7,070 10,500 13,500 6,380 6,650
10 5,220 5,350 5,890 2,670 5,770 9,160 7,690 6,890 8,430 14,300 9,190 8,860
11 7,520 9,320 3,450 3,040 2,290 4,710 8,770 9,570 10,600 16,700 3,730 8,110
12 11,500 10,900 8,640 4,520 1,870 7,040 6,880 9,320 8,890 12,600 6,470 6,360
13 11,400 7,870 7,670 4,580 133 7,110 8,120 9,640 8,010 8,700 4,010 9,950
14 6,880 9,700 7,650 2,710 -2,630 3,860 9,360 8,640 6,660 12,600 6,060 10,700
15 7,130 7,790 6,910 3,070 1,760 5,550 10,500 9,350 8,510 8,900 9,250 8,720
16 7,540 8,580 5,020 199 2,910 4,090 6,990 8,850 8,410 10,200 11,800 10,200
17 4,970 6,830 2,750 5,450 4,460 6,270 6,510 8,090 9,390 12,100 10,800 11,100
18 7,980 5,420 2,450 4,820 3,640 2,780 8,910 8,410 10,200 13,400 4,350 5,650
19 5,860 11,300 1,950 9,090 742 4,420 6,850 9,660 4,560 11,500 7,030 5,940
20 7,450 6,920 3,500 6,050 3,400 7,940 8,810 7,710 7,380 10,300 5,800 9,670
21 4,080 7,540 8,140 2,290 3,510 4,890 6,700 6,920 7,500 8,470 6,550 11,900
22 4,770 8,700 3,390 2,220 1,320 8,060 4,790 6,940 10,700 5,730 6,730 5,420
23 7,880 4,970 2,640 5,870 4,010 9,620 7,890 7,300 7,050 5,970 8,100 7,290
24 10,600 4,120 4,230 6,800 5,800 6,410 7,310 6,590 2,760 7,360 6,580 10,700
25 6,830 1,960 7,250 4,720 2,610 6,750 4,330 1,400 10,300 11,100 10,500 6,890
26 6,130 2,830 4,980 2,560 2,400 6,400 4,000 1,650 10,600 8,360 13,600 7,570
27 6,610 2,150 3,660 5,110 1,890 8,530 4,970 7,580 13,400 13,400 13,300 8,810
28 6,120 6,130 6,340 4,800 4,860 9,780 6,650 11,300 12,600 12,500 8,670 9,090
29 7,250 11,400 9,330 1,250 6,520 9,850 6,750 10,400 11,300 9,150 9,590 11,100
30 5,940   7,380 2,940 1,430 7,220 8,360 8,870 9,680 9,340 11,800 9,920
31 5,140   8,230   3,870   7,880 6,530   10,700   8,750