311  
CDCA42 TJSJ 170431  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN, PR  
1231 AM AST THU JAN 17 2019  
 
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JANUARY 16 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1898 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 211 PM 92 1983 83 0 84  
MINIMUM 70 656 AM 62 1958 72 -2 73  
AVERAGE 77 78 -1 79  
 
PRECIPITATION (IN)  
YESTERDAY T 1.63 1932 0.12 -0.12 1.59  
MONTH TO DATE 0.16 2.17 -2.01 2.94  
SINCE DEC 1 2.41 7.19 -4.78 6.27  
SINCE JAN 1 0.16 2.17 -2.01 2.94  
 
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 12 13 -1 14  
MONTH TO DATE 213 208 5 237  
SINCE DEC 1 662 631 31 709  
SINCE JAN 1 213 208 5 237    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 8.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87  
LOWEST 65  
AVERAGE 76  
   
......................................................
 
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 88 1966  
MINIMUM TEMPERATURE (F) 72 65 1959  
 
 
SUNRISE AND SUNSET  
JANUARY 17 2019.......SUNRISE 659 AM AST SUNSET 609 PM AST  
JANUARY 18 2019.......SUNRISE 659 AM AST SUNSET 610 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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