AFOS product CLIAPC
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717 
CDUS46 KMTR 280828
CLIAPC


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


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 27 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         77    207 PM  97    2010  78     -1       78       
  MINIMUM         49    244 AM  45    2005  47      2       48       
  AVERAGE         63                        62      1       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.31                                      0.82    
  SINCE JUL 1      0.38                                      0.82    
  SINCE JAN 1      8.65                                      2.79    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        2                                         2       
  MONTH TO DATE   12                                        22       
  SINCE SEP 1     12                                        22       
  SINCE JUL 1     34                                        58       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   63                                        62       
  SINCE SEP 1     63                                        62       
  SINCE JAN 1    236                                       299       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  SW (210)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     6.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     43           200 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78       100      2010                    
 MINIMUM TEMPERATURE (F)   47        40      2001                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 28 2014.....SUNRISE   702 AM PDT   SUNSET   657 PM PDT   
SEPTEMBER 29 2014.....SUNRISE   703 AM PDT   SUNSET   655 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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