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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 -> 2023-09-30)

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 6,080 5,590 8,770 7,210 3,160 2,170 9,260 7,180 8,540 7,110 8,790 12,500
2 4,740 6,900 8,830 6,380 2,160 6,970 7,330 6,740 6,800 8,110 6,910 7,190
3 5,260 9,670 7,900 5,450 7,690 9,980 7,400 6,630 4,000 9,290 4,330 5,860
4 8,500 9,670 4,840 7,220 4,120 6,330 8,270 7,590 1,660 8,950 7,040 5,190
5 6,980 4,950 4,000 3,450 3,360 4,220 8,760 8,850 4,930 6,660 548 9,700
6 6,710 3,560 -166 6,050 2,080 4,450 8,330 8,870 10,000 8,120 5,560 9,810
7 3,700 8,430 -55 9,920 1,850 4,240 8,660 6,010 9,450 6,350 10,200 6,120
8 3,550 8,300 3,920 9,780 3,660 6,090 6,490 6,240 8,880 14,700 6,330 131
9 4,510 1,190 6,390 6,260 3,790 9,210 5,580 7,010 10,800 13,300 6,820 6,430
10 5,270 5,600 6,000 2,480 4,650 8,830 7,850 7,130 8,100 13,900 9,470 8,680
11 6,590 9,290 3,010 2,800 1,210 4,520 8,170 9,820 10,600 16,200 4,230 8,070
12 11,100 10,700 9,710 4,280 907 7,020 6,800 9,470 8,850 12,300 6,970 6,280
13 11,300 7,840 7,190 4,230 -23 6,500 8,250 9,330 8,100 8,460 4,380 9,290
14 6,920 9,320 7,170 2,530 -2,370 3,850 9,520 8,070 6,690 12,100 6,230 10,300
15 7,180 7,510 6,880 2,410 2,130 6,110 10,600 9,340 7,720 8,750 9,530 8,430
16 8,330 8,300 5,210 85 3,290 4,020 7,130 8,870 7,680 10,300 12,000 10,300
17 5,760 6,890 3,100 5,610 4,820 6,230 6,780 7,810 9,000 11,400 11,000 11,200
18 7,670 5,960 2,640 4,870 3,950 2,970 9,220 8,430 10,100 12,800 4,870 5,780
19 5,580 11,100 2,560 8,890 1,360 3,840 7,310 9,620 4,600 11,400 6,660 6,240
20 7,390 6,670 3,870 6,320 3,960 8,190 8,880 7,640 7,370 10,300 5,270 8,200
21 3,490 7,500 8,200 2,610 3,830 5,390 6,620 6,930 7,590 8,690 6,750 11,000
22 4,450 8,860 3,650 2,520 1,600 8,050 4,910 7,320 11,000 6,290 7,320 5,780
23 7,940 5,220 3,290 5,900 4,070 9,440 7,370 7,630 6,680 6,260 7,650 7,350
24 10,600 4,320 4,780 6,570 5,780 4,660 6,350 6,870 3,340 7,370 6,350 11,100
25 6,830 2,040 7,770 4,570 2,670 6,460 4,110 1,810 10,800 10,900 10,800 7,780
26 5,680 2,560 5,250 2,640 2,410 6,680 4,620 1,650 11,200 8,590 14,000 8,310
27 5,340 1,320 3,460 4,630 2,200 8,430 5,730 7,260 13,600 12,900 13,000 8,780
28 5,860 5,110 5,790 4,190 4,970 9,750 7,280 10,900 11,200 12,400 8,770 9,040
29 7,070 11,400 8,770 1,300 6,420 9,760 7,060 10,300 8,480 9,540 9,530 10,900
30 6,120   7,240 3,330 1,460 7,280 8,970 8,870 11,000 9,250 11,700 9,740
31 5,360   8,860   3,830   8,460 6,780   10,100   8,360