150  
CDUS42 KJAX 220532  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
132 AM EDT TUE MAY 22 2018  
 
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR MAY 21 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1948 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 206 PM 98 1962 83 2 83  
MINIMUM 75 625 AM 51 1954 68 7 74  
AVERAGE 80 76 4 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.79 1972 0.05 -0.05 0.35  
MONTH TO DATE 1.52 1.07 0.45 1.55  
SINCE MAR 1 7.48 7.44 0.04 3.80  
SINCE JAN 1 12.27 14.13 -1.86 9.66  
 
SNOWFALL (IN)  
YESTERDAY 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  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 2 -2 0  
SINCE MAR 1 243 235 8 166  
SINCE JUL 1 1296 1486 -190 781  
 
COOLING  
YESTERDAY 15 11 4 14  
MONTH TO DATE 221 177 44 234  
SINCE MAR 1 349 311 38 520  
SINCE JAN 1 411 320 91 572    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 9.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 200 AM  
LOWEST 74 100 PM  
AVERAGE 84  
   
......................................................
 
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 94 2006  
1962  
MINIMUM TEMPERATURE (F) 69 53 1954  
 
 
SUNRISE AND SUNSET  
MAY 22 2018...........SUNRISE 626 AM EDT SUNSET 819 PM EDT  
MAY 23 2018...........SUNRISE 625 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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