336  
CDUS42 KJAX 220534  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
134 AM EDT SAT APR 22 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR APRIL 21 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 82 1:54 PM 93 2002 78 4 77  
MINIMUM 63 4:51 AM 40 1953 61 2 67  
AVERAGE 73 69 4 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.10 1992 0.09 -0.09 0.00  
MONTH TO DATE 0.77 2.09 -1.32 1.86  
SINCE MAR 1 2.97 5.36 -2.39 10.57  
SINCE JAN 1 8.79 11.29 -2.50 13.63  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1942  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 8 37 -29 22  
SINCE MAR 1 86 189 -103 97  
SINCE JUL 1 812 1302 -490 982  
 
COOLING  
YESTERDAY 8 5 3 7  
MONTH TO DATE 154 76 78 108  
SINCE MAR 1 302 124 178 187  
SINCE JAN 1 437 142 295 226    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 3:00 AM  
LOWEST 47 12:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 90 2002  
MINIMUM TEMPERATURE (F) 61 43 1962  
 
SUNRISE AND SUNSET  
APRIL 22 2023.........SUNRISE 6:50 AM EDT SUNSET 7:59 PM EDT  
APRIL 23 2023.........SUNRISE 6:49 AM EDT SUNSET 7:59 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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