354
CXUS52 KJAX 011318
CLMSSI
CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
918 AM EDT SUN OCT 01 2023
...............................
...THE ST SIMONS ISLAND CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1940 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 98 09/05/1944
LOW 49 09/30/1967
HIGHEST 97 09/06 92 5 94 09/22
LOWEST 65 09/19 62 3 60 09/29
09/23
AVG. MAXIMUM 87.7 85.8 1.9 85.7
AVG. MINIMUM 72.8 72.5 0.3 72.0
MEAN 80.2 79.1 1.1 78.8
DAYS MAX >= 90 10 3.7 6.3 4
DAYS MIN <= 32 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 19.95 1953
MINIMUM 0.09 1981
TOTALS 9.37 6.00 3.37 8.25
DAILY AVG. 0.31 0.20 0.11 0.28
DAYS >= .01 11 10.7 0.3 11
DAYS >= .10 7 7.5 -0.5 10
DAYS >= .50 4 4.0 0.0 6
DAYS >= 1.00 2 1.9 0.1 3
GREATEST
24 HR. TOTAL 6.16 09/26 TO 09/27
SNOWFALL (INCHES)
RECORDS
TOTAL T 1938
TOTALS 0.0 0.0 0.0 0.0
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 0 0 MM
COOLING TOTAL 463 424 39 424
SINCE 1/1 3207 2558 649 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.0
HIGHEST WIND SPEED/DIRECTION 26/270 DATE 09/12
HIGHEST GUST SPEED/DIRECTION 43/260 DATE 09/12
SKY COVER
AVERAGE SKY COVER 0.29
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 0
HEAVY RAIN 10 RAIN 11
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 8 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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