027  
CDCA42 TJSJ 210447  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1247 AM AST SAT AUG 21 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 20 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 92 11:38 AM 97 1993 90 2 93  
MINIMUM 83 11:59 PM 73 1954 80 3 82  
AVERAGE 88 85 3 88  
 
PRECIPITATION (IN)  
YESTERDAY T 2.04 1954 0.14 -0.14 0.09  
MONTH TO DATE 4.32 2.64 1.68 0.58  
SINCE JUN 1 11.28 7.90 3.38 6.84  
SINCE JAN 1 19.11 19.56 -0.45 15.31  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 23 20 3 23  
MONTH TO DATE 402 400 2 419  
SINCE JUN 1 1596 1577 19 1662  
SINCE JAN 1 4023 3840 183 4022    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 12.6  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 98 1992  
MINIMUM TEMPERATURE (F) 80 74 1989  
 
SUNRISE AND SUNSET  
AUGUST 21 2021........SUNRISE 6:03 AM AST SUNSET 6:42 PM AST  
AUGUST 22 2021........SUNRISE 6:03 AM AST SUNSET 6:42 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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