012  
CDCA42 TJSJ 132125  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
525 PM AST THU MAY 13 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 13 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 88 1:01 PM 93 1998 87 1 90  
MINIMUM 76 3:21 AM 68 1950 76 0 76  
AVERAGE 82 81 1 83  
 
PRECIPITATION (IN)  
TODAY 0.03 4.51 1986 0.18 -0.15 0.94  
MONTH TO DATE 0.58 2.33 -1.75 1.11  
SINCE MAR 1 4.83 9.11 -4.28 10.33  
SINCE JAN 1 9.93 15.76 -5.83 27.64  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 17 16 1 18  
MONTH TO DATE 212 208 4 245  
SINCE MAR 1 1124 1081 43 1146  
SINCE JAN 1 1925 1828 97 2035    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 59  
AVERAGE 71  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 93 1977  
2019  
MINIMUM TEMPERATURE (F) 76 68 1950  
 
SUNRISE AND SUNSET  
MAY 13 2021...........SUNRISE 5:51 AM AST SUNSET 6:50 PM AST  
MAY 14 2021...........SUNRISE 5:51 AM AST SUNSET 6:50 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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