305  
CDCA42 TJSJ 050438  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1238 AM AST TUE JAN 05 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JANUARY 4 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 83 12:13 PM 92 1994 85 -2 84  
MINIMUM 75 10:29 PM 64 1955 73 2 75  
AVERAGE 79 79 0 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 0.23 1994 0.09 -0.01 0.00  
MONTH TO DATE 0.11 0.35 -0.24 0.30  
SINCE DEC 1 1.55 3.31 -1.76 5.23  
SINCE JAN 1 0.11 0.35 -0.24 0.30  
 
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 14 14 0 15  
MONTH TO DATE 57 56 1 57  
SINCE DEC 1 534 507 27 569  
SINCE JAN 1 57 56 1 57    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 13.4  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 51  
AVERAGE 65  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 93 1996  
MINIMUM TEMPERATURE (F) 73 66 1984  
 
SUNRISE AND SUNSET  
JANUARY 5 2021.......SUNRISE 6:53 AM AST SUNSET 5:58 PM AST  
JANUARY 6 2021.......SUNRISE 6:53 AM AST SUNSET 5:58 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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