981  
CDCA42 TJSJ 100431  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1231 AM AST TUE AUG 10 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 9 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 MM MM 98 1979 90 MM 92  
MINIMUM MM MM 74 1988 80 MM 81  
AVERAGE MM 85 MM 87  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.95 2010 0.14 MM 0.00  
MONTH TO DATE 0.22 1.08 -0.86 0.12  
SINCE JUN 1 7.18 6.34 0.84 6.38  
SINCE JAN 1 15.01 18.00 -2.99 14.85  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 0 MM 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY MM 20 MM 22  
MONTH TO DATE 163 180 -17 185  
SINCE JUN 1 1357 1357 0 1428  
SINCE JAN 1 3784 3620 164 3788    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
SKY COVER  
AVERAGE SKY COVER MM  
 
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 97 1993  
MINIMUM TEMPERATURE (F) 80 70 1953  
 
SUNRISE AND SUNSET  
AUGUST 10 2021........SUNRISE 6:01 AM AST SUNSET 6:50 PM AST  
AUGUST 11 2021........SUNRISE 6:01 AM AST SUNSET 6:49 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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