848  
CDUS46 KSGX 170918  
CLISAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
218 AM PDT SUN AUG 17 2025  
   
...............................
 
 
...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 16 2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1874 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 72 12:23 PM 88 1983 77 -5 76  
MINIMUM 64 3:25 AM 59 1880 68 -4 69  
1881  
AVERAGE 68 72 -4 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.44 1977 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.01 -0.01 T  
SINCE JUL 1 0.00 0.09 -0.09 T  
SINCE OCT 1 4.56 9.67 -5.11 12.41  
SINCE JAN 1 4.42 6.71 -2.29 11.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 5 11 -6 6  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 3 8 -5 8  
MONTH TO DATE 74 113 -39 150  
SINCE JUN 1 262 365 -103 450  
SINCE JAN 1 302 443 -141 451    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 3:00 AM  
LOWEST 66 12:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 88 1890  
1992  
MINIMUM TEMPERATURE (F) 68 58 1932  
 
SUNRISE AND SUNSET  
AUGUST 17 2025........SUNRISE 6:14 AM PDT SUNSET 7:31 PM PDT  
AUGUST 18 2025........SUNRISE 6:14 AM PDT SUNSET 7:30 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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