325  
CDCA42 TJSJ 072129  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN, PR  
526 PM AST MON DEC 7 2020  
 
   
...............................
 
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 7 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 84 237 PM 91 1990 86 -2 86  
MINIMUM 77 647 AM 63 1972 74 3 78  
AVERAGE 81 80 1 82  
 
PRECIPITATION (IN)  
TODAY 0.01 0.72 1980 0.11 -0.10 0.10  
MONTH TO DATE 0.19 0.76 -0.57 0.59  
SINCE DEC 1 0.19 0.76 -0.57 0.59  
SINCE JAN 1 34.95 37.14 -2.19 32.79  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE DEC 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
 
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 16 15 1 17  
MONTH TO DATE 107 105 2 124  
SINCE DEC 1 107 105 2 124  
SINCE JAN 1 6039 5699 340 5872    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 8.4  
 
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 65  
AVERAGE 72  
   
......................................................
 
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 90 1993  
MINIMUM TEMPERATURE (F) 74 69 2014  
 
 
SUNRISE AND SUNSET  
DECEMBER 7 2020......SUNRISE 639 AM AST SUNSET 544 PM AST  
DECEMBER 8 2020......SUNRISE 640 AM AST SUNSET 544 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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