Climatological Report (Monthly) Issued by NWS Jacksonville, FL
000
CXUS52 KJAX 011321
CLMSSI
CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
921 AM EDT SAT JUL 01 2023
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...THE ST SIMONS ISLAND CLIMATE SUMMARY FOR THE MONTH OF JUNE 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
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TEMPERATURE (F)
RECORD
HIGH 103 06/03/1985
LOW 52 06/01/1984
HIGHEST 100 06/27 95 5 103 06/23
LOWEST 67 06/06 67 0 70 06/20
AVG. MAXIMUM 90.4 88.2 2.2 90.7
AVG. MINIMUM 74.2 73.7 0.5 76.0
MEAN 82.3 81.0 1.3 83.3
DAYS MAX >= 90 17 9.0 8.0 17
DAYS MIN <= 32 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 15.73 1999
MINIMUM 0.75 1970
TOTALS 5.16 5.76 -0.60 3.00
DAILY AVG. 0.17 0.19 -0.02 0.10
DAYS >= .01 12 11.2 0.8 9
DAYS >= .10 7 7.6 -0.6 6
DAYS >= .50 5 3.1 1.9 3
DAYS >= 1.00 2 1.7 0.3 1
GREATEST
24 HR. TOTAL 1.90 06/14 TO 06/15
SNOWFALL (INCHES)
RECORDS
TOTAL T 1979
TOTALS 0.0 0.0 0.0 0.0
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 814 1310 -496 MM
COOLING TOTAL 525 478 47 557
SINCE 1/1 1370 1009 361 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.6
HIGHEST WIND SPEED/DIRECTION 33/290 DATE 06/13
HIGHEST GUST SPEED/DIRECTION 59/280 DATE 06/13
SKY COVER
AVERAGE SKY COVER 0.23
AVERAGE RH (PERCENT) 69
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 12 MIXED PRECIP 0
HEAVY RAIN 7 RAIN 8
LIGHT RAIN 14 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 10 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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