636  
CDCA42 TJSJ 230441  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1225 AM AST FRI JUL 23 2021  
   
...............................
 
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JULY 22 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 97 1994 90 MM 89  
MINIMUM MM MM 66 1999 79 MM 76  
AVERAGE MM 84 MM 83  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.36 2010 0.10 MM 0.23  
MONTH TO DATE 0.96 1.95 -0.99 2.83  
SINCE JUN 1 5.38 4.30 1.08 4.94  
SINCE JAN 1 13.21 15.96 -2.75 13.41  
 
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 18  
MONTH TO DATE 435 440 -5 434  
SINCE JUN 1 994 1013 -19 1055  
SINCE JAN 1 3421 3276 145 3415    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 11.4  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72  
LOWEST 63  
AVERAGE 68  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 96 1994  
MINIMUM TEMPERATURE (F) 79 72 1972  
 
SUNRISE AND SUNSET  
JULY 23 2021..........SUNRISE 5:55 AM AST SUNSET 6:58 PM AST  
JULY 24 2021..........SUNRISE 5:55 AM AST SUNSET 6:57 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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