171  
CDCA42 TJSJ 190515  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
115 AM AST MON APR 19 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR APRIL 18 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 93R 2:43 PM 92 2001 86 7 86  
MINIMUM 76 3:24 AM 68 1962 75 1 74  
AVERAGE 85 80 5 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.81 2005 0.17 -0.17 0.32  
MONTH TO DATE 1.11 2.44 -1.33 4.08  
SINCE MAR 1 3.18 4.39 -1.21 9.03  
SINCE JAN 1 8.28 10.54 -2.26 26.34  
 
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 20 15 5 15  
MONTH TO DATE 265 270 -5 293  
SINCE MAR 1 711 701 10 695  
SINCE JAN 1 1512 1452 60 1584    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 43  
AVERAGE 63  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 92 2007  
MINIMUM TEMPERATURE (F) 75 66 1961  
 
SUNRISE AND SUNSET  
APRIL 19 2021.........SUNRISE 6:04 AM AST SUNSET 6:42 PM AST  
APRIL 20 2021.........SUNRISE 6:04 AM AST SUNSET 6:42 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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