AFOS product CLISAN
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410 
CDUS46 KSGX 180926
CLISAN

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN DIEGO, CA
226 AM PDT THU SEP 18 2025

...................................

...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 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         83   9:04 AM 110    1913  77      6       73        
  MINIMUM         68   4:50 PM  53    1908  66      2       61        
  AVERAGE         76                        72      4       67     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.22          0.48 1963   0.00   0.22     0.00     
  MONTH TO DATE    0.22                      0.05   0.17     0.00     
  SINCE JUL 1      0.27                      0.14   0.13      T       
  SINCE OCT 1      4.83                      9.72  -4.89    12.41     
  SINCE JAN 1      4.69                      6.76  -2.07    11.00     

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE SEP 1      0                         0      0        0        
  SINCE JUL 1      0                         1     -1        0        

 COOLING                                                              
  YESTERDAY       11                         7      4        2        
  MONTH TO DATE  133                       127      6      169        
  SINCE SEP 1    133                       127      6      169        
  SINCE JAN 1    565                       687   -122      744        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  NW (300)       
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (330)       
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     S (200)       
  AVERAGE WIND SPEED     6.0                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.7                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  THUNDERSTORM                                                        
  HEAVY RAIN                                                          
  RAIN                                                                
  LIGHT RAIN                                                          
  FOG                                                                 
  HAZE                                                                


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           3:00 PM                                      
 LOWEST     49           9:00 AM                                      
 AVERAGE    70                                                        

..........................................................


THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   77        95      1939                      
 MINIMUM TEMPERATURE (F)   66        50      1882                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 18 2025.....SUNRISE   6:34 AM PDT   SUNSET   6:50 PM PDT     
SEPTEMBER 19 2025.....SUNRISE   6:35 AM PDT   SUNSET   6:49 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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