AFOS product CLISFO
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CDUS46 KMTR 010826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT MON SEP 1 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 31 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         75    159 PM  89    2005  74      1       71       
  MINIMUM         62   1159 PM  48    1957  56      6       57       
                                      1955                          
                                      1910                          
  AVERAGE         69                        65      4       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.01 1964   0.00   0.00     0.00    
  MONTH TO DATE    T                         0.04  -0.04      T      
  SINCE JUL 1      T                         0.04  -0.04      T      
  SINCE JAN 1      7.31                     13.12  -5.81     1.89    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE JUN 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         2     -2        1       
  MONTH TO DATE    1                        47    -46       37       
  SINCE JUN 1     69                       218   -149      203       
  SINCE JUL 1     20                       113    -93      115       
                                                                     
 COOLING                                                             
  YESTERDAY        4                         2      2        0       
  MONTH TO DATE   72                        33     39       28       
  SINCE JUN 1    190                        78    112       73       
  SINCE JAN 1    253                        97    156      100       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   W (290)      
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED    12.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    90           100 AM                                     
 LOWEST     57           300 PM                                     
 AVERAGE    74                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        94      1955                    
 MINIMUM TEMPERATURE (F)   56        49      1981                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER  1 2014.....SUNRISE   640 AM PDT   SUNSET   738 PM PDT   
SEPTEMBER  2 2014.....SUNRISE   641 AM PDT   SUNSET   737 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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