777  
CDCA42 TJSJ 172131  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
531 PM AST THU DEC 17 2020  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 17 2020...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1953 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 86 2:21 PM 91 1994 86 0 85  
MINIMUM 74 1:07 AM 65 1972 73 1 76  
AVERAGE 80 80 0 81  
 
PRECIPITATION (IN)  
TODAY 0.00 1.13 2002 0.09 -0.09 0.05  
MONTH TO DATE 0.72 1.71 -0.99 1.65  
SINCE DEC 1 0.72 1.71 -0.99 1.65  
SINCE JAN 1 35.48 38.09 -2.61 33.85  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 15 14 1 16  
MONTH TO DATE 260 254 6 292  
SINCE DEC 1 260 254 6 292  
SINCE JAN 1 6192 5848 344 6040    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 9.3  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 91 1994  
MINIMUM TEMPERATURE (F) 73 65 1982  
 
SUNRISE AND SUNSET  
DECEMBER 17 2020......SUNRISE 6:45 AM AST SUNSET 5:47 PM AST  
DECEMBER 18 2020......SUNRISE 6:46 AM AST SUNSET 5:48 PM AST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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