460  
CDCA42 TJSJ 200606  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
206 AM AST TUE APR 20 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR APRIL 20 2021
 
 
VALID TODAY AS OF 0200 AM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 78 12:00 AM 94 2007 86 -8 88  
MINIMUM 75 2:00 AM 67 1968 75 0 74  
AVERAGE 77 80 -3 81  
 
PRECIPITATION (IN)  
TODAY 0.00 3.87 1983 0.17 -0.17 0.02  
MONTH TO DATE 1.11 2.78 -1.67 4.11  
SINCE MAR 1 3.18 4.73 -1.55 9.06  
SINCE JAN 1 8.28 10.88 -2.60 26.37  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 12 16 -4 16  
MONTH TO DATE 277 301 -24 325  
SINCE MAR 1 723 732 -9 727  
SINCE JAN 1 1524 1483 41 1616    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 82  
AVERAGE 85  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 93 1983  
MINIMUM TEMPERATURE (F) 75 67 1955  
 
SUNRISE AND SUNSET  
APRIL 20 2021.........SUNRISE 6:04 AM AST SUNSET 6:42 PM AST  
APRIL 21 2021.........SUNRISE 6:03 AM AST SUNSET 6:43 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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