613
CDUS42 KJAX 172137
CLISSI
CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
537 PM EDT SUN SEP 17 2023
...............................
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR SEPTEMBER 17 2023
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 89 10:51 AM 93 2019 86 3 86
MINIMUM 79 3:03 PM 61 2001 73 6 73
AVERAGE 84 79 5 80
PRECIPITATION (IN)
TODAY 0.44 3.63 1977 0.19 0.25 T
MONTH TO DATE 2.24 3.43 -1.19 7.03
SINCE SEP 1 2.24 3.43 -1.19 7.03
SINCE JAN 1 34.36 33.48 0.88 43.12
SNOWFALL (IN)
TODAY MM T 1938
DEGREE DAYS
HEATING
TODAY 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
TODAY 19 14 5 15
MONTH TO DATE 300 260 40 277
SINCE SEP 1 300 260 40 277
SINCE JAN 1 3044 2394 650 2694
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 3:00 PM
LOWEST 65 10:00 AM
AVERAGE 78
......................................................
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 93 2018
MINIMUM TEMPERATURE (F) 72 61 1981
SUNRISE AND SUNSET
SEPTEMBER 17 2023.....SUNRISE 7:11 AM EDT SUNSET 7:29 PM EDT
SEPTEMBER 18 2023.....SUNRISE 7:11 AM EDT SUNSET 7:28 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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