613  
CDCA42 TJSJ 110901  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
501 AM AST MON MAY 11 2026  
   
...............................
 
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR MAY 10 2026
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1953 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 1:58 PM 93 1996 87 3 88  
MINIMUM 80 6:38 PM 70 2013 77 3 79  
AVERAGE 85 82 3 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.78 1990 0.10 -0.09 T  
MONTH TO DATE 0.01 1.03 -1.02 3.72  
SINCE MAR 1 4.81 5.13 -0.32 12.56  
SINCE JAN 1 8.65 9.67 -1.02 14.71  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 20 17 3 19  
MONTH TO DATE 187 168 19 166  
SINCE MAR 1 1118 1075 43 1159  
SINCE JAN 1 2032 1893 139 2004    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 14.6  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77  
LOWEST 50  
AVERAGE 64  
   
......................................................
 
 
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 2026...........SUNRISE 5:48 AM AST SUNSET 6:45 PM AST  
MAY 12 2026...........SUNRISE 5:48 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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