972  
CDCA42 TJSJ 171935  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
335 PM AST SAT MAY 17 2025  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 17 2025
 
 
VALID TODAY AS OF 0300 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 81 10:20 AM 94 1903 87 -6 91  
MINIMUM 74 5:46 AM 69 1960 76 -2 79  
AVERAGE 78 82 -4 85  
 
PRECIPITATION (IN)  
TODAY T 2.92 2010 0.17 -0.17 0.04  
MONTH TO DATE 4.47 3.04 1.43 7.71  
SINCE MAR 1 15.14 9.82 5.32 19.74  
SINCE JAN 1 21.93 16.47 5.46 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 13 17 -4 20  
MONTH TO DATE 262 273 -11 318  
SINCE MAR 1 1195 1146 49 1324  
SINCE JAN 1 2079 1893 186 2217    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 82  
AVERAGE 88  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 94 1903  
2021  
MINIMUM TEMPERATURE (F) 76 67 1957  
 
SUNRISE AND SUNSET  
MAY 17 2025...........SUNRISE 5:50 AM AST SUNSET 6:51 PM AST  
MAY 18 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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