AFOS product CLISFO
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CDUS46 KMTR 310827
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
126 AM PDT FRI AUG 31 2007


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 30 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         84    221 PM  89    1879  72     12       78       
  MINIMUM         62    441 AM  45    1955  56      6       52       
                                      1952                          
  AVERAGE         73                        64      9       65      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.11 1984   0.01  -0.01     0.00    
  MONTH TO DATE    0.00                      0.06  -0.06     0.00    
  SINCE JUL 1      0.01                      0.09  -0.08     0.00    
  SINCE JAN 1      6.30                     13.48  -7.18    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        0                         2     -2        0       
  MONTH TO DATE   45                        54     -9       59       
  SINCE JUN 1    201                       251    -50      180       
  SINCE JUL 1     84                       131    -47      112       
                                                                     
 COOLING                                                             
  YESTERDAY        8                         1      7        0       
  MONTH TO DATE   30                        25      5       16       
  SINCE JUN 1     61                        69     -8      123       
  SINCE JAN 1     83                        83      0      134       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    10.7                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

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

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    78           400 AM                                     
 LOWEST     26           200 PM                                     
 AVERAGE    52                                                       

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

                                                                      
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72        89      2005                    
 MINIMUM TEMPERATURE (F)   56        48      1957                    
                                             1955                    
                                             1910                    

                                                                      
SUNRISE AND SUNSET                                                   
AUGUST 31 2007........SUNRISE   639 AM PDT   SUNSET   740 PM PDT   
SEPTEMBER  1 2007.....SUNRISE   640 AM PDT   SUNSET   739 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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