207  
CDCA42 TJSJ 220449  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1249 AM AST FRI JAN 22 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JANUARY 21 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 84 1:34 PM 91 1995 83 1 88  
MINIMUM 71 5:59 AM 62 1956 72 -1 74  
AVERAGE 78 78 0 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.60 2008 0.11 -0.10 0.04  
MONTH TO DATE 0.79 2.76 -1.97 4.85  
SINCE DEC 1 5.47 7.78 -2.31 10.63  
SINCE JAN 1 0.79 2.76 -1.97 4.85  
 
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 12 1 16  
MONTH TO DATE 278 270 8 308  
SINCE DEC 1 719 693 26 827  
SINCE JAN 1 278 270 8 308    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91  
LOWEST 65  
AVERAGE 78  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 91 2014  
MINIMUM TEMPERATURE (F) 72 64 2005  
 
SUNRISE AND SUNSET  
JANUARY 22 2021.......SUNRISE 6:59 AM AST SUNSET 6:12 PM AST  
JANUARY 23 2021.......SUNRISE 6:59 AM AST SUNSET 6:13 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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