566  
CDCA42 TJSJ 210924  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
524 AM AST WED APR 21 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR APRIL 20 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 90 1:26 PM 94 2007 86 4 88  
MINIMUM 75 2:09 AM 67 1968 75 0 74  
AVERAGE 83 80 3 81  
 
PRECIPITATION (IN)  
YESTERDAY 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  
YESTERDAY 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  
YESTERDAY 18 16 2 16  
MONTH TO DATE 302 301 1 325  
SINCE MAR 1 748 732 16 727  
SINCE JAN 1 1549 1483 66 1616    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 47  
AVERAGE 68  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 93 1983  
MINIMUM TEMPERATURE (F) 75 67 1955  
 
SUNRISE AND SUNSET  
APRIL 21 2021.........SUNRISE 6:03 AM AST SUNSET 6:43 PM AST  
APRIL 22 2021.........SUNRISE 6:02 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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