Climatological Report (Annual)
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
000
CXUS53 KJAX 030852
CLASSI
CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
352 AM EST SUN JAN 03 2021
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...THE ST SIMONS ISLAND CLIMATE SUMMARY FOR THE YEAR OF 2020...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1948 TO 2021
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 104 07/20/1986
LOW 6 01/21/1985
HIGHEST 97 06/30 98 -1 99 07/15
07/11
07/01
08/10
LOWEST 27 12/26 25 2 32 01/31
AVG. MAXIMUM 78.4 76.1 2.3 79.0
AVG. MINIMUM 63.2 60.1 3.1 63.7
MEAN 70.8 68.1 2.7 71.3
DAYS MAX >= 90 67 46.0 21.0 76
DAYS MIN <= 32 2 8.0 -6.0 1
PRECIPITATION (INCHES)
RECORD
MAXIMUM 73.46 1953
MINIMUM 24.27 2010
TOTALS 49.16 45.00 4.16 44.35
DAILY AVG. 0.14 0.12 0.02 0.12
DAYS >= .01 133 103.0 30.0 108
DAYS >= .10 82 65.0 17.0 66
DAYS >= .50 37 28.0 9.0 28
DAYS >= 1.00 13 13.0 0.0 14
GREATEST
24 HR. TOTAL 2.81 06/06 TO 06/07
09/15 TO 09/16
SNOWFALL (INCHES)
RECORDS
TOTAL 4.0 1989
TOTALS 0.0 0.0 0.0 0.0
DEGREE DAYS
HEATING TOTAL 998 1489 -491 978
SINCE 7/1 436 530 -94 MM
COOLING TOTAL 3226 2628 598 3391
SINCE 1/1 3226 2628 598 MM
FREEZE DATES
RECORD
EARLIEST 11/03/1954
LATEST 03/31/1964
EARLIEST 01/01
LATEST 01/30
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WIND (MPH)
AVERAGE WIND SPEED 8.0
HIGHEST WIND SPEED/DIRECTION 37/360 DATE 08/09
HIGHEST GUST SPEED/DIRECTION 47/360 DATE 08/09
SKY COVER
AVERAGE SKY COVER 0.32
AVERAGE RH (PERCENT) 76
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 69 MIXED PRECIP 0
HEAVY RAIN 83 RAIN 113
LIGHT RAIN 163 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 153 FOG W/VIS <= 1/4 MILE 12
HAZE 7
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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