185  
CDCA42 TJSJ 312154  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
554 PM AST THU DEC 31 2020  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 31 2020...  
VALID AS OF 0900 AM 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 85 1:53 PM 90 1994 85 0 83  
MINIMUM 73 2:53 AM 65 1972 73 0 74  
AVERAGE 79 79 0 79  
 
PRECIPITATION (IN)  
TODAY 0.03 1.11 2019 0.08 -0.05 1.11  
MONTH TO DATE 1.44 2.96 -1.52 4.93  
SINCE DEC 1 1.44 2.96 -1.52 4.93  
SINCE JAN 1 36.20 39.34 -3.14 37.13  
 
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 14 0 14  
MONTH TO DATE 477 451 26 512  
SINCE DEC 1 477 451 26 512  
SINCE JAN 1 6409 6045 364 6260    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 18.9  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 89 1994  
MINIMUM TEMPERATURE (F) 73 66 1955  
 
SUNRISE AND SUNSET  
DECEMBER 31 2020......SUNRISE 6:52 AM AST SUNSET 5:55 PM AST  
JANUARY 1 2021.......SUNRISE 6:52 AM AST SUNSET 5:55 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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