727  
CDCA42 TJSJ 110929  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
529 AM AST SUN MAY 11 2025  
   
...............................
 
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR MAY 10 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 88 12:31 PM 93 1996 87 1 MM  
MINIMUM 79 5:44 AM 70 2013 77 2 MM  
AVERAGE 84 82 2 MM  
 
PRECIPITATION (IN)  
YESTERDAY T 1.78 1990 0.10 -0.10 MM  
MONTH TO DATE 3.72 1.03 2.69 T  
SINCE MAR 1 12.56 5.13 7.43 T  
SINCE JAN 1 14.71 9.67 5.04 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 19 17 2 MM  
MONTH TO DATE 166 168 -2 MM  
SINCE MAR 1 1159 1075 84 382  
SINCE JAN 1 2004 1893 111 1245    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 12.0  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 72  
AVERAGE 81  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 94 1994  
MINIMUM TEMPERATURE (F) 77 68 1986  
 
SUNRISE AND SUNSET  
MAY 11 2025...........SUNRISE 5:48 AM AST SUNSET 6:45 PM AST  
MAY 12 2025...........SUNRISE 5:47 AM AST SUNSET 6:45 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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