600  
CDCA42 TJSJ 250446  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1246 AM AST TUE MAY 25 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 24 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 88 1:35 PM 95 2020 88 0 95  
MINIMUM 75 4:43 AM 70 1910 76 -1 77  
AVERAGE 82 82 0 86  
 
PRECIPITATION (IN)  
YESTERDAY T 2.58 1920 0.17 -0.17 0.00  
MONTH TO DATE 2.25 4.29 -2.04 1.24  
SINCE MAR 1 6.50 11.07 -4.57 10.46  
SINCE JAN 1 11.60 17.72 -6.12 27.77  
 
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 17 17 0 21  
MONTH TO DATE 413 392 21 460  
SINCE MAR 1 1325 1265 60 1361  
SINCE JAN 1 2126 2012 114 2250    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 9.6  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91  
LOWEST 70  
AVERAGE 81  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 94 1980  
2020  
MINIMUM TEMPERATURE (F) 76 70 1964  
 
SUNRISE AND SUNSET  
MAY 25 2021...........SUNRISE 5:48 AM AST SUNSET 6:54 PM AST  
MAY 26 2021...........SUNRISE 5:48 AM AST SUNSET 6:55 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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