887  
CDCA42 TJSJ 090428  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1228 AM AST SUN MAY 09 2021  
   
...............................
 
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR MAY 8 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 1:24 PM 94 1979 87 -1 88  
MINIMUM 76 6:19 AM 70 1980 77 -1 79  
AVERAGE 81 82 -1 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.31 3.10 2014 0.10 0.21 0.00  
MONTH TO DATE 1.71 0.83 0.88 0.00  
SINCE MAR 1 5.21 4.93 0.28 3.52  
SINCE JAN 1 7.09 9.47 -2.38 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 16 17 -1 19  
MONTH TO DATE 133 134 -1 146  
SINCE MAR 1 1121 1041 80 1069  
SINCE JAN 1 2013 1859 154 1932    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 61  
AVERAGE 72  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 96 1985  
MINIMUM TEMPERATURE (F) 77 72 1989  
 
SUNRISE AND SUNSET  
MAY 9 2021...........SUNRISE 5:49 AM AST SUNSET 6:44 PM AST  
MAY 10 2021...........SUNRISE 5:48 AM AST SUNSET 6:44 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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