AFOS product CLISFO
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CDUS46 KMTR 220828
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
127 AM PDT WED AUG 22 2007


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 21 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         77   1210 PM  85    1974  72      5       66       
  MINIMUM         59    551 AM  42    1928  56      3       55       
  AVERAGE         68                        64      4       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.04 1968   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        0                         2     -2        4       
  MONTH TO DATE   45                        42      3       31       
  SINCE JUN 1    201                       239    -38      152       
  SINCE JUL 1     84                       119    -35       84       
                                                                     
 COOLING                                                             
  YESTERDAY        3                         1      2        0       
  MONTH TO DATE    7                        16     -9       16       
  SINCE JUN 1     38                        60    -22      123       
  SINCE JAN 1     60                        74    -14      134       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    11.6                                         

                                                                      
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    87           400 AM                                     
 LOWEST     50          1200 PM                                     
 AVERAGE    69                                                       

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

                                                                      
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72        92      1891                    
 MINIMUM TEMPERATURE (F)   56        49      1955                    

                                                                      
SUNRISE AND SUNSET                                                   
AUGUST 22 2007........SUNRISE   631 AM PDT   SUNSET   753 PM PDT   
AUGUST 23 2007........SUNRISE   632 AM PDT   SUNSET   752 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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