798  
CDCA42 TJSJ 170855  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
455 AM AST SAT MAY 17 2025  
   
...............................
 
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR MAY 16 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1953 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 11:58 AM 95 1995 87 0 MM  
MINIMUM 78 5:24 AM 71 1956 78 0 MM  
AVERAGE 83 82 1 MM  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 3.84 2015 0.11 -0.05 MM  
MONTH TO DATE 4.26 1.64 2.62 T  
SINCE MAR 1 13.10 5.74 7.36 T  
SINCE JAN 1 15.25 10.28 4.97 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 MM  
MONTH TO DATE 0 0 0 MM  
SINCE MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 17 1 MM  
MONTH TO DATE 276 270 6 MM  
SINCE MAR 1 1269 1177 92 382  
SINCE JAN 1 2114 1995 119 1245    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 72  
AVERAGE 80  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 96 1994  
MINIMUM TEMPERATURE (F) 78 68 1972  
 
SUNRISE AND SUNSET  
MAY 17 2025...........SUNRISE 5:46 AM AST SUNSET 6:47 PM AST  
MAY 18 2025...........SUNRISE 5:45 AM AST SUNSET 6:47 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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