597  
CDCA42 TJSJ 220424  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1224 AM AST FRI DEC 22 2023  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 21 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1953 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 1:10 PM 91 1994 85 -1 85  
MINIMUM 77 11:59 PM 64 1954 75 2 75  
AVERAGE 81 80 1 80  
 
PRECIPITATION (IN)  
YESTERDAY M 0.69 1978 0.08 M T  
MONTH TO DATE 3.50 2.11 1.39 0.35  
SINCE DEC 1 3.50 2.11 1.39 0.35  
SINCE JAN 1 28.40 40.63 -12.23 40.74  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 16 15 1 15  
MONTH TO DATE 337 323 14 315  
SINCE DEC 1 337 323 14 315  
SINCE JAN 1 6254 6021 233 5877    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 70  
AVERAGE 79  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 91 1994  
MINIMUM TEMPERATURE (F) 75 65 1972  
 
SUNRISE AND SUNSET  
DECEMBER 22 2023......SUNRISE 6:47 AM AST SUNSET 5:49 PM AST  
DECEMBER 23 2023......SUNRISE 6:48 AM AST SUNSET 5:50 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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