007  
CDCA42 TJSJ 080444  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1244 AM AST FRI JAN 08 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JANUARY 7 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 83 2:20 PM 88 1992 83 0 85  
MINIMUM 71 7:51 AM 64 1963 72 -1 76  
AVERAGE 77 78 -1 81  
 
PRECIPITATION (IN)  
YESTERDAY T 3.70 1998 0.14 -0.14 0.03  
2005  
2010  
MONTH TO DATE 0.37 1.01 -0.64 1.45  
SINCE DEC 1 5.05 6.03 -0.98 7.23  
SINCE JAN 1 0.37 1.01 -0.64 1.45  
 
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 16  
MONTH TO DATE 82 91 -9 106  
SINCE DEC 1 523 514 9 625  
SINCE JAN 1 82 91 -9 106    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 60  
AVERAGE 77  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 89 2011  
MINIMUM TEMPERATURE (F) 72 63 1957  
 
SUNRISE AND SUNSET  
JANUARY 8 2021.......SUNRISE 6:58 AM AST SUNSET 6:04 PM AST  
JANUARY 9 2021.......SUNRISE 6:58 AM AST SUNSET 6:04 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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