303  
CDCA42 TJSJ 190426  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1226 AM AST TUE JAN 19 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JANUARY 18 2021
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1898 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 2:18 PM 91 2014 83 2 84  
MINIMUM 74 6:58 AM 64 1914 72 2 75  
AVERAGE 80 78 2 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.81 1940 0.12 -0.07 0.05  
MONTH TO DATE 0.53 2.41 -1.88 3.91  
SINCE DEC 1 5.21 7.43 -2.22 9.69  
SINCE JAN 1 0.53 2.41 -1.88 3.91  
 
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 15 13 2 15  
MONTH TO DATE 236 234 2 265  
SINCE DEC 1 677 657 20 784  
SINCE JAN 1 236 234 2 265    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 59  
AVERAGE 78  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 90 1977  
MINIMUM TEMPERATURE (F) 72 66 2000  
 
SUNRISE AND SUNSET  
JANUARY 19 2021.......SUNRISE 6:59 AM AST SUNSET 6:11 PM AST  
JANUARY 20 2021.......SUNRISE 6:59 AM AST SUNSET 6:11 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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