377  
CDCA42 TJSJ 110516  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
116 AM AST MON JAN 11 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JANUARY 10 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 2:23 PM 88 2003 83 1 85  
MINIMUM 72 6:22 AM 63 1917 72 0 74  
AVERAGE 78 78 0 80  
 
PRECIPITATION (IN)  
YESTERDAY T 1.94 1937 0.13 -0.13 0.10  
MONTH TO DATE 0.37 1.42 -1.05 2.01  
SINCE DEC 1 5.05 6.44 -1.39 7.79  
SINCE JAN 1 0.37 1.42 -1.05 2.01  
 
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 13 0 15  
MONTH TO DATE 121 130 -9 152  
SINCE DEC 1 562 553 9 671  
SINCE JAN 1 121 130 -9 152    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 72  
AVERAGE 83  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 92 1982  
MINIMUM TEMPERATURE (F) 72 62 1965  
 
SUNRISE AND SUNSET  
JANUARY 11 2021.......SUNRISE 6:59 AM AST SUNSET 6:06 PM AST  
JANUARY 12 2021.......SUNRISE 6:59 AM AST SUNSET 6:06 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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