863  
CDCA42 TJSJ 100432  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1232 AM AST SAT APR 10 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR APRIL 9 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 3:15 PM 91 1956 86 -3 86  
MINIMUM 73 6:34 AM 65 1956 74 -1 75  
AVERAGE 78 80 -2 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.54 1925 0.15 -0.15 0.01  
MONTH TO DATE 1.10 1.06 0.04 3.17  
SINCE MAR 1 3.17 3.01 0.16 8.12  
SINCE JAN 1 8.27 9.16 -0.89 25.43  
 
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 13 15 -2 16  
MONTH TO DATE 128 135 -7 145  
SINCE MAR 1 574 566 8 547  
SINCE JAN 1 1375 1317 58 1436    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74  
LOWEST 56  
AVERAGE 65  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 93 1984  
MINIMUM TEMPERATURE (F) 74 66 1929  
 
SUNRISE AND SUNSET  
APRIL 10 2021.........SUNRISE 6:11 AM AST SUNSET 6:40 PM AST  
APRIL 11 2021.........SUNRISE 6:10 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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