AFOS product CLISFO
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CDUS46 KMTR 160827
CLISFO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT THU OCT 16 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 15 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         63   4:33 PM  95    1961  73    -10       72        
  MINIMUM         55   6:59 AM  42    1966  54      1       54        
  AVERAGE         59                        63     -4       63     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             1.42 1969   0.03  -0.03     0.00     
  MONTH TO DATE    1.00                      0.25   0.75      T       
  SINCE OCT 1      1.00                      0.25   0.75      T       
  SINCE JAN 1      8.62                     12.92  -4.30    14.90     

SNOWFALL (IN)                                                              
  YESTERDAY       MM             0.0                                  
  MONTH TO DATE    T                                                  
  SINCE SEP 1      T                                                  
  SINCE JUL 1      T                                                  

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        6                         3      3        2        
  MONTH TO DATE   25                        34     -9       23        
  SINCE SEP 1     28                        80    -52       97        
  SINCE JUL 1    118                       182    -64      227        

 COOLING                                                              
  YESTERDAY        0                         1     -1        0        
  MONTH TO DATE   14                        23     -9       84        
  SINCE SEP 1     92                        79     13      108        
  SINCE JAN 1    142                       189    -47      182        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SW (220)       
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (280)       
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     W (280)       
  AVERAGE WIND SPEED     7.2                                        


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          11:00 PM                                      
 LOWEST     65           2:00 PM                                      
 AVERAGE    78                                                        

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   73        94      2020                      
 MINIMUM TEMPERATURE (F)   54        44      1980                      


SUNRISE AND SUNSET                                                    
OCTOBER 16 2025.......SUNRISE   7:19 AM PDT   SUNSET   6:30 PM PDT     
OCTOBER 17 2025.......SUNRISE   7:20 AM PDT   SUNSET   6:29 PM PDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$