560  
CDUS42 KJAX 212131  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
531 PM EDT TUE MAY 21 2019  
 
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR MAY 21 2019
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1948 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 89 108 PM 98 1962 83 6 85  
MINIMUM 74 548 AM 51 1954 68 6 75  
AVERAGE 82 76 6 80  
 
PRECIPITATION (IN)  
TODAY 0.00 0.79 1972 0.05 -0.05 0.00  
MONTH TO DATE 1.72 1.07 0.65 1.52  
SINCE MAR 1 5.54 7.44 -1.90 7.48  
SINCE JAN 1 10.29 14.13 -3.84 12.27  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE MAR 1 0.0 0.0  
SINCE JUL 1 0.0 0.0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 2 -2 0  
SINCE MAR 1 157 235 -78 243  
SINCE JUL 1 1010 1486 -476 1296  
 
COOLING  
TODAY 17 11 6 15  
MONTH TO DATE 267 177 90 221  
SINCE MAR 1 477 311 166 349  
SINCE JAN 1 528 320 208 411    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 8.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 400 AM  
LOWEST 57 1100 AM  
AVERAGE 72  
   
......................................................
 
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 94 2006  
1962  
MINIMUM TEMPERATURE (F) 69 53 1954  
 
 
SUNRISE AND SUNSET  
MAY 21 2019...........SUNRISE 627 AM EDT SUNSET 818 PM EDT  
MAY 22 2019...........SUNRISE 626 AM EDT SUNSET 819 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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