AFOS product CLISFO
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CDUS46 KMTR 070826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT SUN SEP 7 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 6 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         72    227 PM  94    2004  74     -2       85       
                                      1958                          
  MINIMUM         59    103 AM  47    1950  56      3       56       
  AVERAGE         66                        65      1       71      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.02 1969   0.01  -0.01     0.00    
  MONTH TO DATE    0.00                      0.02  -0.02     0.00    
  SINCE JUL 1      T                         0.06  -0.06      T      
  SINCE JAN 1      7.31                     13.14  -5.83     1.89    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE SEP 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         2     -2        0       
  MONTH TO DATE    0                        12    -12        0       
  SINCE SEP 1      0                        12    -12        0       
  SINCE JUL 1     20                       125   -105      115       
                                                                     
 COOLING                                                             
  YESTERDAY        1                         2     -1        6       
  MONTH TO DATE   19                        12      7       17       
  SINCE SEP 1     19                        12      7       17       
  SINCE JAN 1    272                       109    163      117       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     9.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           100 AM                                     
 LOWEST     57           100 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        93      1957                    
 MINIMUM TEMPERATURE (F)   56        50      1960                    
                                             1910                    
                                             1901                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER  7 2014.....SUNRISE   645 AM PDT   SUNSET   729 PM PDT   
SEPTEMBER  8 2014.....SUNRISE   646 AM PDT   SUNSET   728 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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