107  
CDUS46 KSGX 010929  
CLISAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
229 AM PDT MON SEP 01 2025  
   
...............................
 
 
...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 31 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 80 1:57 PM 98 1955 78 2 76  
MINIMUM 69 6:18 AM 58 1901 67 2 66  
1942  
AVERAGE 75 73 2 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.14 1967 0.00 0.00 0.00  
MONTH TO DATE 0.05 0.01 0.04 T  
SINCE JUL 1 0.05 0.09 -0.04 T  
SINCE OCT 1 4.61 9.67 -5.06 12.41  
SINCE JAN 1 4.47 6.71 -2.24 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 10 8 2 6  
MONTH TO DATE 204 230 -26 274  
SINCE JUN 1 392 482 -90 574  
SINCE JAN 1 432 560 -128 575    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 2:00 AM  
LOWEST 60 1:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 104 1955  
MINIMUM TEMPERATURE (F) 67 58 1881  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2025.....SUNRISE 6:24 AM PDT SUNSET 7:13 PM PDT  
SEPTEMBER 2 2025.....SUNRISE 6:24 AM PDT SUNSET 7:12 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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