418  
CDCA42 TJSJ 070427  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1227 AM AST FRI MAY 07 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 6 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
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 87 2:34 PM 95 1980 87 0 92  
MINIMUM 75 6:00 AM 67 1962 75 0 76  
AVERAGE 81 81 0 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.82 1941 0.18 -0.18 0.01  
MONTH TO DATE 0.27 1.10 -0.83 0.11  
SINCE MAR 1 4.52 7.88 -3.36 9.33  
SINCE JAN 1 9.62 14.53 -4.91 26.64  
 
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 16 16 0 19  
MONTH TO DATE 95 96 -1 108  
SINCE MAR 1 1007 969 38 1009  
SINCE JAN 1 1808 1716 92 1898    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 55  
AVERAGE 69  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 94 1974  
MINIMUM TEMPERATURE (F) 75 68 1962  
 
SUNRISE AND SUNSET  
MAY 7 2021...........SUNRISE 5:54 AM AST SUNSET 6:48 PM AST  
MAY 8 2021...........SUNRISE 5:53 AM AST SUNSET 6:48 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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