773  
CDCA42 TJSJ 030430  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1230 AM AST SUN JAN 03 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JANUARY 2 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 82 12:50 PM 89 2010 83 -1 86  
MINIMUM 72 8:48 AM 64 1984 73 -1 78  
AVERAGE 77 78 -1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 3.11 1937 0.15 -0.14 0.06  
MONTH TO DATE 0.01 0.30 -0.29 0.11  
SINCE DEC 1 4.69 5.32 -0.63 5.89  
SINCE JAN 1 0.01 0.30 -0.29 0.11  
 
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 17  
MONTH TO DATE 26 26 0 33  
SINCE DEC 1 467 449 18 552  
SINCE JAN 1 26 26 0 33    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 14.6  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87  
LOWEST 52  
AVERAGE 70  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 88 2018  
MINIMUM TEMPERATURE (F) 72 64 1919  
 
SUNRISE AND SUNSET  
JANUARY 3 2021.......SUNRISE 6:57 AM AST SUNSET 6:01 PM AST  
JANUARY 4 2021.......SUNRISE 6:57 AM AST SUNSET 6:01 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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