873  
CDCA42 TJSJ 020441  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1241 AM AST SUN MAY 02 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 1 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 87 12:56 PM 94 1995 87 0 90  
MINIMUM 73 6:27 AM 68 1951 75 -2 76  
AVERAGE 80 81 -1 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.90 2011 0.20 -0.20 0.03  
MONTH TO DATE 0.00 0.20 -0.20 0.03  
SINCE MAR 1 4.25 6.83 -2.58 9.25  
SINCE JAN 1 9.35 12.98 -3.63 26.56  
 
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 15 16 -1 18  
MONTH TO DATE 15 16 -1 18  
SINCE MAR 1 927 906 21 919  
SINCE JAN 1 1728 1657 71 1808    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87  
LOWEST 61  
AVERAGE 74  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 95 1980  
MINIMUM TEMPERATURE (F) 75 68 1963  
 
SUNRISE AND SUNSET  
MAY 2 2021...........SUNRISE 5:56 AM AST SUNSET 6:46 PM AST  
MAY 3 2021...........SUNRISE 5:56 AM AST SUNSET 6:46 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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