836  
CDCA42 TJSJ 080428  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1228 AM AST THU APR 08 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR APRIL 7 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 80 5:00 PM 94 1984 86 -6 84  
MINIMUM 73 4:21 AM 65 1960 74 -1 76  
AVERAGE 77 80 -3 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.81 6.19 1915 0.14 0.67 0.09  
MONTH TO DATE 1.10 0.77 0.33 1.30  
SINCE MAR 1 3.17 2.72 0.45 6.25  
SINCE JAN 1 8.27 8.87 -0.60 23.56  
 
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 15  
MONTH TO DATE 101 105 -4 115  
SINCE MAR 1 547 536 11 517  
SINCE JAN 1 1348 1287 61 1406    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 69  
AVERAGE 85  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 91 1988  
MINIMUM TEMPERATURE (F) 74 65 1965  
 
SUNRISE AND SUNSET  
APRIL 8 2021.........SUNRISE 6:12 AM AST SUNSET 6:39 PM AST  
APRIL 9 2021.........SUNRISE 6:12 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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