AFOS product CLISFO
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CDUS46 KMTR 170900
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
200 AM PDT WED SEP 17 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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         81   1250 PM  90    1968  74      7       71       
  MINIMUM         62    459 AM  49    2006  56      6       59       
  AVERAGE         72                        65      7       65      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.88 1989   0.01  -0.01     0.00    
  MONTH TO DATE    0.00                      0.06  -0.06     0.00    
  SINCE JUL 1      T                         0.10  -0.10      T      
  SINCE JAN 1      7.31                     13.18  -5.87     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    3                        32    -29        6       
  SINCE SEP 1      3                        32    -29        6       
  SINCE JUL 1     23                       145   -122      121       
                                                                     
 COOLING                                                             
  YESTERDAY        7                         1      6        0       
  MONTH TO DATE   46                        31     15       31       
  SINCE SEP 1     46                        31     15       31       
  SINCE JAN 1    299                       128    171      131       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     9.6                                         

                                                                     
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    93           600 AM                                     
 LOWEST     45           100 PM                                     
 AVERAGE    69                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        94      1984                    
 MINIMUM TEMPERATURE (F)   56        50      1988                    
                                             1946                    
                                             1945                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 17 2014.....SUNRISE   653 AM PDT   SUNSET   714 PM PDT   
SEPTEMBER 18 2014.....SUNRISE   654 AM PDT   SUNSET   712 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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