774  
CDCA42 TJSJ 042129  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN, PR  
529 PM AST FRI DEC 4 2020  
 
   
...............................
 
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 4 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 1224 PM 92 1995 86 0 86  
MINIMUM 71 749 AM 66 1954 74 -3 78  
AVERAGE 79 80 -1 82  
 
PRECIPITATION (IN)  
TODAY 0.00 0.66 1960 0.11 -0.11 0.00  
MONTH TO DATE T 0.44 -0.44 0.49  
SINCE DEC 1 T 0.44 -0.44 0.49  
SINCE JAN 1 34.76 36.82 -2.06 32.69  
 
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 14 15 -1 17  
MONTH TO DATE 59 60 -1 70  
SINCE DEC 1 59 60 -1 70  
SINCE JAN 1 5991 5654 337 5818    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 11.5  
 
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69  
LOWEST 55  
AVERAGE 62  
   
......................................................
 
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 92 1992  
MINIMUM TEMPERATURE (F) 74 62 1972  
 
 
SUNRISE AND SUNSET  
DECEMBER 4 2020......SUNRISE 638 AM AST SUNSET 543 PM AST  
DECEMBER 5 2020......SUNRISE 638 AM AST SUNSET 543 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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