124  
CDCA42 TJSJ 160426  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1226 AM AST SAT JAN 16 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JANUARY 15 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 86 3:01 PM 90 1981 83 3 83  
MINIMUM 71 5:29 AM 64 1956 72 -1 73  
AVERAGE 79 78 1 78  
 
PRECIPITATION (IN)  
YESTERDAY T 3.06 1902 0.12 -0.12 0.74  
MONTH TO DATE 0.42 2.05 -1.63 3.65  
SINCE DEC 1 5.10 7.07 -1.97 9.43  
SINCE JAN 1 0.42 2.05 -1.63 3.65  
 
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 14 13 1 13  
MONTH TO DATE 194 195 -1 223  
SINCE DEC 1 635 618 17 742  
SINCE JAN 1 194 195 -1 223    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 5.2  
 
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 57  
AVERAGE 74  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 92 1983  
MINIMUM TEMPERATURE (F) 72 62 1958  
 
SUNRISE AND SUNSET  
JANUARY 16 2021.......SUNRISE 6:59 AM AST SUNSET 6:09 PM AST  
JANUARY 17 2021.......SUNRISE 6:59 AM AST SUNSET 6:09 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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