516  
CDCA42 TJSJ 192022  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
422 PM AST MON MAY 19 2025  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 19 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 86 12:23 PM 95 2021 88 -2 93  
MINIMUM 75 1:57 PM 69 1940 76 -1 81  
AVERAGE 81 82 -1 87  
 
PRECIPITATION (IN)  
TODAY 0.89 2.73 2023 0.18 0.71 T  
MONTH TO DATE 5.41 3.40 2.01 7.71  
SINCE MAR 1 16.08 10.18 5.90 19.74  
SINCE JAN 1 22.87 16.83 6.04 29.08  
 
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 16 17 -1 22  
MONTH TO DATE 293 307 -14 360  
SINCE MAR 1 1226 1180 46 1366  
SINCE JAN 1 2110 1927 183 2259    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 70  
AVERAGE 84  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 92 1999  
2024  
MINIMUM TEMPERATURE (F) 76 68 1957  
 
SUNRISE AND SUNSET  
MAY 19 2025...........SUNRISE 5:49 AM AST SUNSET 6:52 PM AST  
MAY 20 2025...........SUNRISE 5:49 AM AST SUNSET 6:52 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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