163  
CDCA42 TJSJ 110520  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
120 AM AST SUN APR 11 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR APRIL 10 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 2:36 PM 93 1984 86 -3 91  
MINIMUM 71 6:36 AM 66 1929 74 -3 75  
AVERAGE 77 80 -3 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.34 1987 0.14 -0.14 T  
MONTH TO DATE 1.10 1.20 -0.10 3.17  
SINCE MAR 1 3.17 3.15 0.02 8.12  
SINCE JAN 1 8.27 9.30 -1.03 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 12 15 -3 18  
MONTH TO DATE 140 150 -10 163  
SINCE MAR 1 586 581 5 565  
SINCE JAN 1 1387 1332 55 1454    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73  
LOWEST 51  
AVERAGE 62  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 94 1984  
MINIMUM TEMPERATURE (F) 74 65 1957  
 
SUNRISE AND SUNSET  
APRIL 11 2021.........SUNRISE 6:10 AM AST SUNSET 6:40 PM AST  
APRIL 12 2021.........SUNRISE 6:09 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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