135  
CDCA42 TJSJ 220443  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1225 AM AST THU JUL 22 2021  
   
...............................
 
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JULY 21 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 91 12:33 PM 97 1993 90 1 87  
MINIMUM 82 7:51 PM 68 1999 79 3 80  
AVERAGE 87 84 3 84  
 
PRECIPITATION (IN)  
YESTERDAY T 1.21 1958 0.10 -0.10 0.40  
MONTH TO DATE 0.96 1.85 -0.89 2.60  
SINCE JUN 1 5.38 4.20 1.18 4.71  
SINCE JAN 1 13.21 15.86 -2.65 13.18  
 
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 22 20 2 19  
MONTH TO DATE 435 420 15 416  
SINCE JUN 1 994 993 1 1037  
SINCE JAN 1 3421 3256 165 3397    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
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 1994  
MINIMUM TEMPERATURE (F) 79 66 1999  
 
SUNRISE AND SUNSET  
JULY 22 2021..........SUNRISE 5:55 AM AST SUNSET 6:58 PM AST  
JULY 23 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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