146  
CDCA42 TJSJ 090427  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1227 AM AST FRI APR 09 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR APRIL 8 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 83 2:25 PM 91 1988 86 -3 82  
MINIMUM 74 9:42 PM 65 1965 74 0 75  
AVERAGE 79 80 -1 79  
 
PRECIPITATION (IN)  
YESTERDAY T 1.86 2020 0.14 -0.14 1.86  
MONTH TO DATE 1.10 0.91 0.19 3.16  
SINCE MAR 1 3.17 2.86 0.31 8.11  
SINCE JAN 1 8.27 9.01 -0.74 25.42  
 
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 14 15 -1 14  
MONTH TO DATE 115 120 -5 129  
SINCE MAR 1 561 551 10 531  
SINCE JAN 1 1362 1302 60 1420    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 9.6  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84  
LOWEST 60  
AVERAGE 72  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 91 1956  
MINIMUM TEMPERATURE (F) 74 65 1956  
 
SUNRISE AND SUNSET  
APRIL 9 2021.........SUNRISE 6:12 AM AST SUNSET 6:40 PM AST  
APRIL 10 2021.........SUNRISE 6:11 AM AST SUNSET 6:40 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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