313  
CDCA42 TJSJ 170431  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN, PR  
1231 AM AST THU JAN 17 2019  
 
   
...............................
 
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JANUARY 16 2019...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1953 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 452 PM 91 1984 85 -2 85  
MINIMUM 73 550 AM 65 1980 72 1 75  
AVERAGE 78 79 -1 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.83 2006 0.08 -0.08 0.07  
MONTH TO DATE 0.48 1.35 -0.87 1.99  
SINCE DEC 1 1.95 4.31 -2.36 3.17  
SINCE JAN 1 0.48 1.35 -0.87 1.99  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE DEC 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
 
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 15  
MONTH TO DATE 228 224 4 230  
SINCE DEC 1 713 675 38 532  
SINCE JAN 1 228 224 4 230    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 9.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 63  
AVERAGE 71  
   
......................................................
 
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 90 1995  
MINIMUM TEMPERATURE (F) 72 66 1980  
 
 
SUNRISE AND SUNSET  
JANUARY 17 2019.......SUNRISE 655 AM AST SUNSET 605 PM AST  
JANUARY 18 2019.......SUNRISE 655 AM AST SUNSET 606 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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