574  
CDCA42 TJSJ 122121  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
521 PM AST WED MAY 12 2021  
   
...............................
 
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR MAY 12 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 87 3:30 PM 96 1994 87 0 87  
MINIMUM 79 5:22 AM 69 1982 77 2 81  
AVERAGE 83 82 1 84  
 
PRECIPITATION (IN)  
TODAY 0.00 1.38 2006 0.10 -0.10 T  
MONTH TO DATE 1.78 1.23 0.55 T  
SINCE MAR 1 5.28 5.33 -0.05 3.52  
SINCE JAN 1 7.16 9.87 -2.71 8.47  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 18 17 1 19  
MONTH TO DATE 204 202 2 220  
SINCE MAR 1 1192 1109 83 1143  
SINCE JAN 1 2084 1927 157 2006    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 12.9  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74  
LOWEST 48  
AVERAGE 61  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 96 1994  
MINIMUM TEMPERATURE (F) 77 71 1992  
 
SUNRISE AND SUNSET  
MAY 12 2021...........SUNRISE 5:47 AM AST SUNSET 6:45 PM AST  
MAY 13 2021...........SUNRISE 5:47 AM AST SUNSET 6:46 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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