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843 
CDUS46 KMTR 190037
CLISFO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
537 PM PDT WED JUN 18 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JUNE 18 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)                                                          
 TODAY                                                               
  MAXIMUM         68   3:16 PM  97    2017  72     -4       72        
  MINIMUM         52   5:36 AM  44    1952  54     -2       53        
  AVERAGE         60                        63     -3       63     

PRECIPITATION (IN)                                                    
  TODAY            0.00          0.14 1974   0.01  -0.01     0.00     
  MONTH TO DATE    0.00                      0.11  -0.11     0.00     
  SINCE OCT 1     16.11                     19.50  -3.39    20.13     
  SINCE JAN 1      7.55                     12.53  -4.98    14.80     

SNOWFALL (IN)                                                              
  TODAY           MM             0.0                                  
  MONTH TO DATE    T                                                  
  SINCE JUN 1      T                                                  
  SINCE JUL 1      T                                                  
  SNOW DEPTH      MM                                                  

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            5                         3      2        2        
  MONTH TO DATE   85                        65     20       60        
  SINCE JUN 1     85                        65     20       60        
  SINCE JUL 1   2335                      2444   -109     1823        

 COOLING                                                              
  TODAY            0                         1     -1        0        
  MONTH TO DATE    0                        15    -15        6        
  SINCE JUN 1      0                        15    -15        6        
  SINCE JAN 1      6                        35    -29       17        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED  16   RESULTANT WIND DIRECTION  NW (300)       
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (290)       
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    NW (300)       
  AVERAGE WIND SPEED    16.0                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.2                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED TODAY.                             
  FOG                                                                 
  HAZE                                                                


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           4:00 AM                                      
 LOWEST     55           1:00 PM                                      
 AVERAGE    74                                                        

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   72        92      1962                      
 MINIMUM TEMPERATURE (F)   54        45      1955                      


SUNRISE AND SUNSET                                                    
JUNE 18 2025..........SUNRISE   5:48 AM PDT   SUNSET   8:34 PM PDT     
JUNE 19 2025..........SUNRISE   5:48 AM PDT   SUNSET   8:34 PM PDT     


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




$$