AFOS product CLISFO
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CDUS46 KMTR 240826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT WED SEP 24 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 23 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         77    141 PM  92    1978  74      3       78       
  MINIMUM         65    657 AM  45    1972  55     10       57       
  AVERAGE         71                        64      7       68      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.31 1982   0.00   0.00     0.00    
  MONTH TO DATE    0.01                      0.10  -0.09     0.23    
  SINCE JUL 1      0.01                      0.14  -0.13     0.23    
  SINCE JAN 1      7.32                     13.22  -5.90     2.12    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE SEP 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         2     -2        0       
  MONTH TO DATE    3                        46    -43       12       
  SINCE SEP 1      3                        46    -43       12       
  SINCE JUL 1     23                       159   -136      127       
                                                                     
 COOLING                                                             
  YESTERDAY        6                         1      5        3       
  MONTH TO DATE   87                        38     49       37       
  SINCE SEP 1     87                        38     49       37       
  SINCE JAN 1    340                       135    205      137       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (270)      
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    10.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           100 AM                                     
 LOWEST     64           100 PM                                     
 AVERAGE    76                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        93      1978                    
 MINIMUM TEMPERATURE (F)   55        48      1955                    
                                             1945                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 24 2014.....SUNRISE   659 AM PDT   SUNSET   703 PM PDT   
SEPTEMBER 25 2014.....SUNRISE   700 AM PDT   SUNSET   702 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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