774  
CDCA42 TJSJ 030430  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1230 AM AST SUN JAN 03 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JANUARY 2 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 84 1:39 PM 92 1996 85 -1 83  
MINIMUM 71 7:25 AM 66 1953 73 -2 74  
AVERAGE 78 79 -1 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.35 1994 0.09 -0.07 0.25  
MONTH TO DATE 0.03 0.18 -0.15 0.25  
SINCE DEC 1 1.47 3.14 -1.67 5.18  
SINCE JAN 1 0.03 0.18 -0.15 0.25  
 
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 13 14 -1 14  
MONTH TO DATE 28 28 0 28  
SINCE DEC 1 505 479 26 540  
SINCE JAN 1 28 28 0 28    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 13.4  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 48  
AVERAGE 64  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 93 1996  
MINIMUM TEMPERATURE (F) 73 64 1955  
 
SUNRISE AND SUNSET  
JANUARY 3 2021.......SUNRISE 6:53 AM AST SUNSET 5:57 PM AST  
JANUARY 4 2021.......SUNRISE 6:53 AM AST SUNSET 5:57 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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