414
CDUS42 KJAX 180537
CLISSI
CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
137 AM EDT MON SEP 18 2023
...............................
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR SEPTEMBER 17 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1940 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 89 10:51 AM 93 2019 86 3 86
MINIMUM 74 11:59 PM 61 2001 73 1 73
AVERAGE 82 79 3 80
PRECIPITATION (IN)
YESTERDAY 0.67 3.63 1977 0.19 0.48 T
MONTH TO DATE 2.47 3.43 -0.96 7.03
SINCE SEP 1 2.47 3.43 -0.96 7.03
SINCE JAN 1 34.59 33.48 1.11 43.12
SNOWFALL (IN)
YESTERDAY 0.0 T 1938
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 17 14 3 15
MONTH TO DATE 298 260 38 277
SINCE SEP 1 298 260 38 277
SINCE JAN 1 3042 2394 648 2694
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 4.8
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 11:00 PM
LOWEST 65 10:00 AM
AVERAGE 83
......................................................
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 93 2018
MINIMUM TEMPERATURE (F) 72 61 1981
SUNRISE AND SUNSET
SEPTEMBER 18 2023.....SUNRISE 7:11 AM EDT SUNSET 7:28 PM EDT
SEPTEMBER 19 2023.....SUNRISE 7:12 AM EDT SUNSET 7:26 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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