615  
CDCA42 TJSJ 110426  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1226 AM AST TUE MAY 11 2021  
   
...............................
 
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR MAY 10 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1953 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 1:04 PM 93 1996 87 -1 89  
MINIMUM 78 1:14 AM 70 2013 77 1 79  
AVERAGE 82 82 0 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.78 1990 0.10 -0.06 T  
MONTH TO DATE 1.75 1.03 0.72 T  
SINCE MAR 1 5.25 5.13 0.12 3.52  
SINCE JAN 1 7.13 9.67 -2.54 8.47  
 
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 17 17 0 19  
MONTH TO DATE 168 168 0 184  
SINCE MAR 1 1156 1075 81 1107  
SINCE JAN 1 2048 1893 155 1970    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 14.4  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 59  
AVERAGE 69  
   
......................................................
 
 
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 2021...........SUNRISE 5:48 AM AST SUNSET 6:45 PM AST  
MAY 12 2021...........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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