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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 02234000 ST. JOHNS RIVER ABOVE LAKE HARNEY NEAR GENEVA, FL


Seminole County, Florida
Hydrologic Unit Code 03080101
Latitude  28°42'50", Longitude  81°02'08" NAD27
Drainage area 2,043  square miles
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for 37 - 38 years of record in, ft3/s   (Calculation Period 1981-10-01 -> 2019-09-30)

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 1,730 1,370 1,210 1,360 852 667 1,520 2,070 2,840 3,470 3,280 2,360
2 1,760 1,360 1,180 1,380 837 672 1,560 2,120 2,880 3,490 3,260 2,340
3 1,740 1,340 1,160 1,370 815 674 1,590 2,170 2,890 3,500 3,230 2,280
4 1,790 1,280 1,170 1,310 816 693 1,630 2,210 2,940 3,490 3,210 2,250
5 1,740 1,310 1,150 1,290 800 720 1,660 2,260 3,090 3,470 3,150 2,220
6 1,690 1,320 1,120 1,260 794 755 1,680 2,320 3,080 3,450 3,190 2,170
7 1,670 1,280 1,110 1,220 782 804 1,730 2,370 3,070 3,500 3,120 2,120
8 1,610 1,270 1,100 1,180 733 860 1,780 2,430 3,110 3,580 3,050 2,110
9 1,600 1,260 1,060 1,180 691 907 1,800 2,450 3,130 3,630 3,000 2,060
10 1,570 1,230 1,070 1,180 669 928 1,800 2,460 3,200 3,670 2,970 2,020
11 1,570 1,220 1,080 1,180 647 943 1,770 2,480 3,350 3,690 2,930 2,000
12 1,550 1,190 1,110 1,180 634 964 1,760 2,470 3,360 3,730 2,870 2,010
13 1,540 1,190 1,140 1,170 621 1,000 1,750 2,480 3,410 3,770 2,800 2,010
14 1,530 1,200 1,140 1,160 612 1,020 1,760 2,460 3,400 3,720 2,730 2,010
15 1,550 1,210 1,140 1,170 597 1,040 1,770 2,470 3,330 3,660 2,700 2,030
16 1,520 1,210 1,140 1,190 599 1,060 1,780 2,500 3,370 3,650 2,700 2,040
17 1,500 1,200 1,140 1,180 586 1,080 1,790 2,540 3,340 3,600 2,680 2,030
18 1,500 1,210 1,150 1,160 582 1,140 1,830 2,570 3,280 3,590 2,660 1,980
19 1,470 1,230 1,140 1,110 577 1,190 1,840 2,580 3,230 3,560 2,640 1,940
20 1,450 1,230 1,150 1,080 604 1,240 1,860 2,550 3,250 3,580 2,590 1,900
21 1,440 1,220 1,110 1,060 601 1,270 1,890 2,700 3,310 3,550 2,530 1,880
22 1,420 1,220 1,150 1,020 596 1,310 1,900 2,760 3,340 3,490 2,510 1,870
23 1,390 1,200 1,160 998 609 1,360 1,910 2,820 3,320 3,460 2,560 1,830
24 1,430 1,240 1,160 1,000 617 1,370 1,940 2,860 3,340 3,520 2,530 1,800
25 1,440 1,240 1,150 989 628 1,390 2,010 2,870 3,380 3,520 2,490 1,770
26 1,440 1,250 1,150 968 637 1,410 2,020 2,870 3,630 3,510 2,490 1,780
27 1,420 1,240 1,170 943 636 1,430 2,030 2,870 3,500 3,510 2,480 1,790
28 1,420 1,240 1,130 932 639 1,450 2,070 2,890 3,560 3,470 2,470 1,790
29 1,430 1,350 1,130 919 641 1,480 2,060 2,860 3,560 3,430 2,460 1,770
30 1,390   1,170 880 644 1,490 2,050 2,830 3,570 3,390 2,400 1,770
31 1,380   1,300   655   2,040 2,860   3,320   1,740