163  
CDCA42 TJSJ 090436  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1236 AM AST MON AUG 09 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 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 MM MM 99 1979 90 MM 93  
MINIMUM MM MM 69 2001 80 MM 82  
AVERAGE MM 85 MM 88  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.71 1963 0.14 MM 0.00  
MONTH TO DATE 0.22 0.94 -0.72 0.12  
SINCE JUN 1 7.18 6.20 0.98 6.38  
SINCE JAN 1 15.01 17.86 -2.85 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 23  
MONTH TO DATE 145 160 -15 163  
SINCE JUN 1 1339 1337 2 1406  
SINCE JAN 1 3766 3600 166 3766    
...............................................................
 
 
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 98 1979  
MINIMUM TEMPERATURE (F) 80 74 1988  
 
SUNRISE AND SUNSET  
AUGUST 9 2021........SUNRISE 6:00 AM AST SUNSET 6:50 PM AST  
AUGUST 10 2021........SUNRISE 6:01 AM AST SUNSET 6:50 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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