AFOS product CLISFO
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CDUS46 KMTR 280828
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
128 AM PDT SUN SEP 28 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 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         73    119 PM  96    2010  73      0       78       
                                      1958                          
  MINIMUM         63    646 AM  47    1955  55      8       54       
                                      1948                          
  AVERAGE         68                        64      4       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.81 1957   0.00   0.00     0.00    
  MONTH TO DATE    0.42                      0.13   0.29     0.23    
  SINCE JUL 1      0.42                      0.17   0.25     0.23    
  SINCE JAN 1      7.73                     13.25  -5.52     2.12    
                                                                     
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    3                        54    -51       18       
  SINCE SEP 1      3                        54    -51       18       
  SINCE JUL 1     23                       167   -144      133       
                                                                     
 COOLING                                                             
  YESTERDAY        3                         1      2        1       
  MONTH TO DATE  103                        42     61       38       
  SINCE SEP 1    103                        42     61       38       
  SINCE JAN 1    356                       139    217      138       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED    12.8                                         

                                                                     
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    90           500 AM                                     
 LOWEST     61          1200 PM                                     
 AVERAGE    76                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        95      2010                    
 MINIMUM TEMPERATURE (F)   55        47      1947                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 28 2014.....SUNRISE   703 AM PDT   SUNSET   657 PM PDT   
SEPTEMBER 29 2014.....SUNRISE   703 AM PDT   SUNSET   656 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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