029  
CDCA42 TJSJ 210425  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1225 AM AST WED JUL 21 2021  
   
...............................
 
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JULY 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 90 3:52 PM 96 1993 90 0 89  
MINIMUM 82 11:35 PM 72 1999 79 3 80  
AVERAGE 86 84 2 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.12 2010 0.10 -0.10 0.14  
MONTH TO DATE 0.96 1.75 -0.79 2.20  
SINCE JUN 1 5.38 4.10 1.28 4.31  
SINCE JAN 1 13.21 15.76 -2.55 12.78  
 
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 21 20 1 20  
MONTH TO DATE 413 400 13 397  
SINCE JUN 1 972 973 -1 1018  
SINCE JAN 1 3399 3236 163 3378    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72  
LOWEST 54  
AVERAGE 63  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 97 1993  
MINIMUM TEMPERATURE (F) 79 68 1999  
 
SUNRISE AND SUNSET  
JULY 21 2021..........SUNRISE 5:54 AM AST SUNSET 6:58 PM AST  
JULY 22 2021..........SUNRISE 5:55 AM AST SUNSET 6:58 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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