963  
CDCA42 TJSJ 212126  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
526 PM AST THU JAN 21 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JANUARY 21 2021...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 84 12:50 PM 91 1995 85 -1 82  
MINIMUM 74 7:25 AM 66 1956 72 2 73  
AVERAGE 79 79 0 78  
 
PRECIPITATION (IN)  
TODAY 0.04 1.61 2008 0.07 -0.03 0.00  
MONTH TO DATE 0.56 1.73 -1.17 2.10  
SINCE DEC 1 2.00 4.69 -2.69 7.03  
SINCE JAN 1 0.56 1.73 -1.17 2.10  
 
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 13  
MONTH TO DATE 308 294 14 296  
SINCE DEC 1 785 745 40 808  
SINCE JAN 1 308 294 14 296    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 62  
AVERAGE 71  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 91 1995  
MINIMUM TEMPERATURE (F) 72 67 2012  
 
SUNRISE AND SUNSET  
JANUARY 21 2021.......SUNRISE 6:55 AM AST SUNSET 6:08 PM AST  
JANUARY 22 2021.......SUNRISE 6:55 AM AST SUNSET 6:08 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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