162  
CDCA42 TJSJ 110500  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
100 AM AST THU MAY 11 2023  
   
...............................
 
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR MAY 10 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1953 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 1:38 PM 93 1996 87 1 85  
MINIMUM 81 11:59 PM 70 2013 77 4 76  
AVERAGE 85 82 3 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.78 1990 0.10 -0.10 T  
MONTH TO DATE 0.01 1.03 -1.02 0.07  
SINCE MAR 1 2.72 5.13 -2.41 5.55  
SINCE JAN 1 5.45 9.67 -4.22 10.18  
 
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 16  
MONTH TO DATE 182 168 14 152  
SINCE MAR 1 1077 1075 2 998  
SINCE JAN 1 1881 1893 -12 1776    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 63  
AVERAGE 71  
   
......................................................
 
 
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 2023...........SUNRISE 5:48 AM AST SUNSET 6:45 PM AST  
MAY 12 2023...........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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