627  
CDCA42 TJSJ 312127  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
527 PM AST SUN JAN 31 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JANUARY 31 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 3:17 PM 91 1993 85 -1 84  
MINIMUM 74 9:29 AM 68 1994 72 2 75  
AVERAGE 79 79 0 80  
 
PRECIPITATION (IN)  
TODAY 0.09 1.85 1956 0.06 0.03 0.01  
MONTH TO DATE 0.75 2.38 -1.63 3.06  
SINCE DEC 1 2.19 5.34 -3.15 7.99  
SINCE JAN 1 0.75 2.38 -1.63 3.06  
 
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 15  
MONTH TO DATE 455 428 27 434  
SINCE DEC 1 932 879 53 946  
SINCE JAN 1 455 428 27 434    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 16.4  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87  
LOWEST 63  
AVERAGE 75  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 93 1993  
MINIMUM TEMPERATURE (F) 72 67 1992  
 
SUNRISE AND SUNSET  
JANUARY 31 2021.......SUNRISE 6:53 AM AST SUNSET 6:14 PM AST  
FEBRUARY 1 2021......SUNRISE 6:53 AM AST SUNSET 6:14 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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