740  
CDCA42 TJSJ 130425  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1225 AM AST WED JAN 13 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JANUARY 12 2021...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1953 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 2:16 PM 92 1996 85 0 85  
MINIMUM 76 5:26 AM 65 1978 73 3 76  
AVERAGE 81 79 2 81  
 
PRECIPITATION (IN)  
YESTERDAY T 0.42 1989 0.08 -0.08 0.24  
MONTH TO DATE 0.30 1.03 -0.73 0.94  
SINCE DEC 1 1.74 3.99 -2.25 5.87  
SINCE JAN 1 0.30 1.03 -0.73 0.94  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 16 14 2 16  
MONTH TO DATE 171 168 3 177  
SINCE DEC 1 648 619 29 689  
SINCE JAN 1 171 168 3 177    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 13.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71  
LOWEST 53  
AVERAGE 62  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 92 1996  
MINIMUM TEMPERATURE (F) 73 64 1976  
 
SUNRISE AND SUNSET  
JANUARY 13 2021.......SUNRISE 6:55 AM AST SUNSET 6:03 PM AST  
JANUARY 14 2021.......SUNRISE 6:55 AM AST SUNSET 6:04 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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