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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 water year of record in, ft3/s   (Calculation Period 1981-10-01 -> 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 1,760 1,340 1,170 1,230 812 641 1,430 2,000 2,820 3,700 3,300 2,380
2 1,770 1,330 1,140 1,260 798 646 1,460 2,050 2,860 3,750 3,280 2,350
3 1,750 1,310 1,120 1,260 776 648 1,490 2,090 2,870 3,750 3,240 2,300
4 1,780 1,260 1,130 1,210 777 660 1,530 2,130 2,910 3,730 3,210 2,260
5 1,740 1,270 1,100 1,200 760 686 1,570 2,180 3,040 3,710 3,150 2,230
6 1,700 1,280 1,070 1,170 753 717 1,590 2,230 3,030 3,680 3,180 2,180
7 1,670 1,240 1,080 1,140 742 761 1,640 2,280 3,030 3,710 3,110 2,130
8 1,620 1,240 1,070 1,100 697 818 1,680 2,340 3,060 3,770 3,040 2,120
9 1,600 1,230 1,030 1,100 659 869 1,700 2,370 3,100 3,820 2,990 2,070
10 1,580 1,210 1,040 1,100 640 894 1,710 2,370 3,170 3,840 3,000 2,030
11 1,570 1,190 1,050 1,100 620 923 1,700 2,390 3,310 3,900 2,930 2,000
12 1,550 1,160 1,080 1,090 614 944 1,680 2,390 3,330 3,960 2,890 2,010
13 1,530 1,160 1,100 1,080 606 978 1,680 2,400 3,380 3,980 2,820 2,000
14 1,510 1,170 1,100 1,070 593 996 1,690 2,390 3,360 3,940 2,770 1,990
15 1,530 1,180 1,100 1,080 582 1,010 1,710 2,420 3,310 3,890 2,730 2,000
16 1,490 1,170 1,110 1,100 580 1,030 1,720 2,460 3,350 3,850 2,720 2,000
17 1,470 1,170 1,100 1,090 567 1,040 1,750 2,510 3,330 3,820 2,710 2,000
18 1,470 1,170 1,110 1,070 558 1,090 1,790 2,550 3,280 3,800 2,690 1,960
19 1,440 1,190 1,100 1,030 553 1,130 1,800 2,580 3,240 3,750 2,680 1,930
20 1,410 1,200 1,100 1,000 572 1,180 1,820 2,550 3,280 3,760 2,640 1,910
21 1,410 1,190 1,060 987 567 1,210 1,840 2,680 3,340 3,730 2,600 1,900
22 1,400 1,190 1,100 950 561 1,250 1,850 2,730 3,380 3,670 2,570 1,900
23 1,360 1,170 1,090 934 568 1,290 1,850 2,780 3,370 3,630 2,600 1,880
24 1,400 1,200 1,090 930 578 1,290 1,870 2,810 3,390 3,610 2,570 1,860
25 1,400 1,200 1,080 916 597 1,310 1,930 2,820 3,410 3,600 2,540 1,820
26 1,400 1,200 1,080 897 611 1,330 1,940 2,820 3,620 3,580 2,520 1,830
27 1,380 1,200 1,080 882 614 1,350 1,940 2,830 3,490 3,570 2,500 1,830
28 1,390 1,190 1,050 873 615 1,370 1,970 2,850 3,540 3,510 2,500 1,830
29 1,400 1,390 1,050 868 615 1,390 1,970 2,820 3,600 3,470 2,480 1,800
30 1,370   1,090 830 619 1,400 1,970 2,800 3,750 3,430 2,420 1,800
31 1,360   1,190   627   1,970 2,830   3,350   1,770