000 
CDUS46 KMTR 200840
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
140 AM PDT TUE SEP 20 2005

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 2005...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1927 TO 2005

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         81    214 PM  93    1943  73      8       66       
  MINIMUM         51    557 AM  44    1932  55     -4       56       
  AVERAGE         66                        64      2       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.46 1977   0.01  -0.01     0.04    
  MONTH TO DATE    0.00                      0.09  -0.09     0.04    
  SINCE JUL 1      T                         0.19  -0.19     0.04    
  SINCE JAN 1     16.26                     13.58   2.68     8.48    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE SEP 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         2     -2        4       
  MONTH TO DATE   63                        38     25       10       
  SINCE SEP 1     63                        38     25       10       
  SINCE JUL 1    155                       171    -16       39       
                                                                     
 COOLING                                                             
  YESTERDAY        1                         2     -1        0       
  MONTH TO DATE    1                        27    -26       88       
  SINCE SEP 1      1                        27    -26       88       
  SINCE JAN 1     49                       111    -62      225       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     8.1                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           400 AM                                     
 LOWEST     39           300 PM                                     
 AVERAGE    68                                                       
..........................................................
                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73       102      1939                    
 MINIMUM TEMPERATURE (F)   55        45      1928                    
                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 20 2005.....SUNRISE   656 AM PDT   SUNSET   709 PM PDT   
SEPTEMBER 21 2005.....SUNRISE   657 AM PDT   SUNSET   708 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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