AFOS product CLISFO
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CDUS46 KMTR 160827
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
126 AM PDT THU AUG 16 2007


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 15 2007...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1927 TO 2007


 WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         70    147 PM  90    1950  72     -2       72       
  MINIMUM         55    659 AM  46    1955  55      0       56       
  AVERAGE         63                        64     -1       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.13 1976   0.00   0.00     0.00    
  MONTH TO DATE    0.00                      0.00   0.00     0.00    
  SINCE JUL 1      0.01                      0.03  -0.02     0.00    
  SINCE JAN 1      6.30                     13.42  -7.12    15.26    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE JUN 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        2                         2      0        1       
  MONTH TO DATE   42                        30     12        9       
  SINCE JUN 1    198                       227    -29      130       
  SINCE JUL 1     81                       107    -26       62       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    0                        10    -10       16       
  SINCE JUN 1     31                        54    -23      123       
  SINCE JAN 1     53                        68    -15      134       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    17.6                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86          1200 AM                                     
 LOWEST     53          1200 PM                                     
 AVERAGE    70                                                       

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

                                                                      
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72        86      1960                    
 MINIMUM TEMPERATURE (F)   56        48      1955                    
                                             1952                    

                                                                      
SUNRISE AND SUNSET                                                   
AUGUST 16 2007........SUNRISE   626 AM PDT   SUNSET   801 PM PDT   
AUGUST 17 2007........SUNRISE   627 AM PDT   SUNSET   800 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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