AFOS product CLIAPC
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CDUS46 KMTR 010826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT MON SEP 1 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 31 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         84    215 PM  94    2005  81      3       84       
  MINIMUM         50    549 AM  42    2008  52     -2       54       
  AVERAGE         67                        66      1       69      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.07                                      0.00    
  SINCE JUL 1      0.07                                      0.00    
  SINCE JAN 1      8.34                                      1.97    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   12                                        16       
  SINCE JUN 1     65                                        66       
  SINCE JUL 1     22                                        36       
                                                                     
 COOLING                                                             
  YESTERDAY        2                                         4       
  MONTH TO DATE   45                                        89       
  SINCE JUN 1    162                                       217       
  SINCE JAN 1    173                                       237       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     7.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           400 AM                                     
 LOWEST     43           200 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81        99      2002                    
 MINIMUM TEMPERATURE (F)   52        45      1999                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER  1 2014.....SUNRISE   639 AM PDT   SUNSET   739 PM PDT   
SEPTEMBER  2 2014.....SUNRISE   640 AM PDT   SUNSET   737 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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