AFOS product CLISFO
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805 
CDUS46 KMTR 170830
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
130 AM PDT THU SEP 17 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         70   1254 PM  90    1968  74     -4       81       
  MINIMUM         58    629 AM  49    2006  56      2       62       
  AVERAGE         64                        65     -1       72      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.88 1989   0.01  -0.01     0.00    
  MONTH TO DATE    T                         0.06  -0.06     0.00    
  SINCE OCT 1     16.59                     20.54  -3.95     8.57    
  SINCE JAN 1      3.63                     13.18  -9.55     7.31    
                                                                     
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        1                         2     -1        0       
  MONTH TO DATE    8                        32    -24        3       
  SINCE SEP 1      8                        32    -24        3       
  SINCE JUL 1     13                       145   -132       23       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        7       
  MONTH TO DATE   52                        31     21       46       
  SINCE SEP 1     52                        31     21       46       
  SINCE JAN 1    246                       128    118      299       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   S (190)      
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     9.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    84           900 PM                                     
 LOWEST     53          1200 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 2015.....SUNRISE   653 AM PDT   SUNSET   714 PM PDT   
SEPTEMBER 18 2015.....SUNRISE   654 AM PDT   SUNSET   713 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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