167  
CDCA42 TJSJ 202126  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
526 PM AST SUN DEC 20 2020  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 20 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 87 1:07 PM 91 1994 85 2 88  
MINIMUM 77 7:07 AM 66 1954 73 4 75  
AVERAGE 82 79 3 82  
 
PRECIPITATION (IN)  
TODAY 0.00 0.91 1982 0.09 -0.09 0.00  
MONTH TO DATE 0.88 1.98 -1.10 1.65  
SINCE DEC 1 0.88 1.98 -1.10 1.65  
SINCE JAN 1 35.64 38.36 -2.72 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 17 14 3 17  
MONTH TO DATE 311 296 15 343  
SINCE DEC 1 311 296 15 343  
SINCE JAN 1 6243 5890 353 6091    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 11.4  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
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) 85 91 1994  
MINIMUM TEMPERATURE (F) 73 64 1954  
 
SUNRISE AND SUNSET  
DECEMBER 20 2020......SUNRISE 6:47 AM AST SUNSET 5:49 PM AST  
DECEMBER 21 2020......SUNRISE 6:47 AM AST SUNSET 5:49 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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