038  
CDCA42 TJSJ 310420  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1220 AM AST SUN JAN 31 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JANUARY 30 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 9:19 AM 90 1980 85 -2 83  
MINIMUM 74 3:49 PM 66 1992 72 2 74  
AVERAGE 79 79 0 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 0.36 2016 0.06 0.01 0.00  
MONTH TO DATE 0.66 2.32 -1.66 3.05  
SINCE DEC 1 2.10 5.28 -3.18 7.98  
SINCE JAN 1 0.66 2.32 -1.66 3.05  
 
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 14  
MONTH TO DATE 441 420 21 419  
SINCE DEC 1 918 871 47 931  
SINCE JAN 1 441 420 21 419    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 12.6  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87  
LOWEST 63  
AVERAGE 75  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 91 1993  
MINIMUM TEMPERATURE (F) 72 68 1994  
 
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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