698  
CDCA42 TJSJ 200428  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1228 AM AST WED JAN 20 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JANUARY 19 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 1:05 PM 90 1977 83 3 83  
MINIMUM 74 7:26 AM 66 2000 72 2 72  
AVERAGE 80 78 2 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 2.21 1945 0.12 0.00 0.49  
MONTH TO DATE 0.65 2.53 -1.88 4.40  
SINCE DEC 1 5.33 7.55 -2.22 10.18  
SINCE JAN 1 0.65 2.53 -1.88 4.40  
 
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 12 3 13  
MONTH TO DATE 251 246 5 278  
SINCE DEC 1 692 669 23 797  
SINCE JAN 1 251 246 5 278    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 65  
AVERAGE 80  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 89 1966  
MINIMUM TEMPERATURE (F) 72 64 2000  
 
SUNRISE AND SUNSET  
JANUARY 20 2021.......SUNRISE 6:59 AM AST SUNSET 6:11 PM AST  
JANUARY 21 2021.......SUNRISE 6:59 AM AST SUNSET 6:12 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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