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USGS Surface-Water 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 -> 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 1,730 1,320 1,150 1,260 841 647 1,460 2,020 2,840 3,720 3,260 2,330
2 1,740 1,310 1,120 1,290 826 652 1,490 2,070 2,880 3,760 3,230 2,310
3 1,720 1,290 1,110 1,280 803 654 1,520 2,120 2,900 3,760 3,190 2,260
4 1,760 1,240 1,110 1,230 806 665 1,550 2,160 2,930 3,740 3,170 2,220
5 1,710 1,250 1,090 1,220 788 691 1,590 2,210 3,070 3,710 3,110 2,190
6 1,670 1,270 1,060 1,200 780 724 1,610 2,260 3,050 3,670 3,140 2,150
7 1,650 1,220 1,060 1,160 769 771 1,670 2,300 3,040 3,700 3,080 2,100
8 1,590 1,220 1,050 1,130 722 827 1,710 2,360 3,080 3,770 3,000 2,080
9 1,570 1,210 1,020 1,120 683 877 1,730 2,390 3,100 3,810 2,960 2,030
10 1,550 1,190 1,030 1,130 659 904 1,740 2,390 3,170 3,820 2,960 1,990
11 1,550 1,180 1,040 1,130 637 923 1,720 2,410 3,310 3,840 2,900 1,970
12 1,520 1,140 1,070 1,120 623 944 1,710 2,410 3,320 3,870 2,860 1,980
13 1,500 1,150 1,100 1,110 608 979 1,710 2,430 3,370 3,900 2,790 1,980
14 1,490 1,160 1,100 1,100 598 998 1,720 2,410 3,360 3,860 2,730 1,970
15 1,510 1,170 1,090 1,110 583 1,010 1,740 2,440 3,310 3,800 2,700 1,990
16 1,470 1,160 1,100 1,130 581 1,030 1,740 2,490 3,350 3,790 2,690 1,990
17 1,450 1,160 1,100 1,120 568 1,050 1,760 2,540 3,320 3,730 2,670 1,980
18 1,450 1,160 1,110 1,100 562 1,110 1,790 2,580 3,270 3,720 2,650 1,940
19 1,420 1,180 1,110 1,060 558 1,150 1,800 2,610 3,230 3,670 2,630 1,900
20 1,390 1,180 1,110 1,030 580 1,200 1,830 2,590 3,270 3,690 2,580 1,870
21 1,390 1,170 1,070 1,020 578 1,240 1,850 2,720 3,340 3,650 2,530 1,860
22 1,370 1,170 1,100 983 575 1,280 1,870 2,770 3,380 3,590 2,500 1,860
23 1,340 1,150 1,110 966 585 1,320 1,880 2,820 3,380 3,560 2,540 1,840
24 1,370 1,180 1,100 964 595 1,320 1,900 2,850 3,390 3,540 2,520 1,820
25 1,380 1,180 1,090 950 610 1,340 1,960 2,860 3,420 3,540 2,480 1,780
26 1,380 1,190 1,090 929 621 1,360 1,970 2,860 3,630 3,520 2,470 1,790
27 1,360 1,180 1,100 912 623 1,380 1,970 2,860 3,500 3,510 2,450 1,800
28 1,370 1,170 1,070 904 625 1,400 2,000 2,870 3,550 3,460 2,450 1,790
29 1,380 1,290 1,070 898 625 1,420 2,000 2,850 3,620 3,410 2,440 1,770
30 1,350   1,110 860 628 1,430 2,000 2,820 3,760 3,370 2,370 1,770
31 1,340   1,210   635   1,990 2,850   3,300   1,740