821  
CDUS46 KSGX 180933  
CLISAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
233 AM PDT FRI JUL 18 2025  
   
...............................  
 
   
..THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 17 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 75 1:15 PM 86 1984 76 -1 77  
MINIMUM 65 5:04 AM 56 1884 66 -1 68  
AVERAGE 70 71 -1 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.12 1912 0.00 0.00 T  
MONTH TO DATE 0.00 0.04 -0.04 T  
SINCE JUL 1 0.00 0.04 -0.04 T  
SINCE OCT 1 4.56 9.62 -5.06 12.41  
SINCE JAN 1 4.42 6.66 -2.24 11.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 5 10 -5 6  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 5 6 -1 8  
MONTH TO DATE 70 88 -18 110  
SINCE JUN 1 126 163 -37 188  
SINCE JAN 1 166 241 -75 189    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 5.4  
 
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 84 4:00 AM  
LOWEST 66 1:00 PM  
AVERAGE 75  
   
......................................................  
 
THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 83 1984  
1992  
2004  
MINIMUM TEMPERATURE (F) 66 56 1884  
 
SUNRISE AND SUNSET  
JULY 18 2025..........SUNRISE 5:54 AM PDT SUNSET 7:56 PM PDT  
JULY 19 2025..........SUNRISE 5:54 AM PDT SUNSET 7:55 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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