431  
CDCA42 TJSJ 180429  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1229 AM AST THU FEB 18 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR FEBRUARY 17 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 87 1:21 PM 92 1996 85 2 85  
MINIMUM 74 6:57 AM 67 2009 73 1 73  
AVERAGE 81 79 2 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.05 1954 0.05 -0.01 T  
MONTH TO DATE 0.69 0.90 -0.21 0.93  
SINCE DEC 1 2.88 6.24 -3.36 8.92  
SINCE JAN 1 1.44 3.28 -1.84 3.99  
 
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 16 14 2 14  
MONTH TO DATE 260 238 22 262  
SINCE DEC 1 1192 1117 75 1208  
SINCE JAN 1 715 666 49 696    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 15.1  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 53  
AVERAGE 69  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 91 1996  
MINIMUM TEMPERATURE (F) 73 65 1972  
 
SUNRISE AND SUNSET  
FEBRUARY 18 2021......SUNRISE 6:46 AM AST SUNSET 6:22 PM AST  
FEBRUARY 19 2021......SUNRISE 6:45 AM AST SUNSET 6:22 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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