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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 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 -> 2024-09-30)

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 6,810 4,940 8,310 7,850 3,580 1,630 9,040 7,180 7,820 6,970 8,500 12,100
2 4,320 6,580 8,470 6,220 2,150 6,640 7,350 6,740 6,440 8,180 6,530 7,510
3 4,800 8,040 7,610 4,980 7,330 9,670 7,460 6,560 3,980 9,250 3,670 6,840
4 8,070 8,200 4,840 6,820 3,630 5,820 8,300 7,590 1,830 9,010 6,390 6,010
5 6,640 4,230 4,000 3,390 3,190 4,110 8,840 8,850 5,130 7,080 960 9,380
6 7,560 2,720 -166 6,050 2,070 5,350 8,470 8,870 10,100 9,180 6,250 9,450
7 4,240 8,780 -55 9,740 2,170 5,240 8,910 6,010 9,250 7,670 10,700 6,320
8 3,180 8,540 3,920 8,880 4,240 6,520 6,670 6,680 8,630 14,700 5,970 1,190
9 5,100 1,310 6,390 4,570 4,220 9,100 5,650 7,020 10,500 13,800 5,290 6,670
10 6,060 5,570 6,000 1,710 4,250 8,680 8,100 7,040 8,000 14,300 9,390 8,690
11 6,710 8,710 3,010 3,100 903 4,570 7,750 9,510 10,400 16,400 7,150 8,120
12 11,200 11,200 9,710 4,940 901 7,310 6,600 9,130 8,780 12,300 6,240 5,950
13 11,700 8,040 7,070 4,670 -105 6,720 8,150 9,210 8,100 9,230 3,750 7,850
14 6,790 9,150 6,930 2,820 -2,360 3,840 9,510 8,000 6,570 13,200 5,950 9,590
15 6,950 7,280 6,600 2,560 1,710 6,320 10,700 9,300 7,190 9,870 9,450 9,510
16 8,190 8,040 5,150 432 2,990 4,400 7,500 8,600 7,600 11,000 12,600 10,500
17 6,210 7,060 3,410 5,430 4,860 6,210 6,990 7,610 9,090 12,400 11,100 11,300
18 7,810 5,120 2,950 4,710 3,670 2,850 9,220 8,580 9,990 13,400 5,540 7,350
19 6,470 10,700 2,180 8,790 1,070 3,940 7,310 9,470 4,720 11,300 7,170 5,990
20 7,740 6,800 3,430 6,310 4,120 8,610 8,880 7,590 7,210 11,400 5,650 8,020
21 3,160 7,930 7,500 2,650 4,200 5,760 6,540 6,880 7,290 9,470 6,940 10,300
22 4,690 8,950 4,060 2,710 1,550 8,760 4,710 7,270 10,200 6,710 8,530 6,790
23 8,520 5,420 3,840 5,630 3,960 9,760 7,370 6,650 6,570 5,570 7,610 8,650
24 10,800 4,440 5,470 6,620 5,400 5,050 6,460 5,910 3,670 7,050 6,740 11,600
25 7,490 1,980 8,350 4,360 2,250 6,260 4,000 1,660 10,500 10,900 11,000 8,520
26 6,630 2,630 5,520 2,540 946 6,780 4,230 1,550 10,500 9,120 13,500 8,980
27 5,950 1,340 3,730 4,630 1,940 8,770 5,730 7,010 12,600 12,900 13,800 9,740
28 6,090 5,300 5,680 4,550 5,830 9,500 7,280 10,400 10,100 12,200 10,000 9,830
29 7,030 11,400 7,470 1,360 6,990 9,200 7,060 9,930 8,120 9,540 10,100 11,900
30 5,850   6,750 3,950 1,610 6,840 8,970 9,550 10,700 9,550 11,800 10,200
31 4,980   8,950   3,410   8,460 6,730   10,200   8,780