AFOS product CLIAPC
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CDUS46 KMTR 180827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT FRI OCT 18 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 17 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         80    256 PM  87    2012  74      6       87       
                                      2008                          
  MINIMUM         38    550 AM  37    2006  43     -5       50       
  AVERAGE         59                        58      1       69      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.02    
  SINCE JUL 1      0.84                                      0.02    
  SINCE JAN 1      2.81                                     13.79    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE SEP 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        6                                         0       
  MONTH TO DATE  103                                        62       
  SINCE SEP 1    131                                       142       
  SINCE JUL 1    167                                       197       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         4       
  MONTH TO DATE    4                                        33       
  SINCE SEP 1     66                                        48       
  SINCE JAN 1    303                                       201       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     3.0                                         

                                                                     
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    79           300 AM                                     
 LOWEST     17           200 PM                                     
 AVERAGE    48                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        90      2012                    
 MINIMUM TEMPERATURE (F)   43        37      1998                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 18 2013.......SUNRISE   721 AM PDT   SUNSET   627 PM PDT   
OCTOBER 19 2013.......SUNRISE   722 AM PDT   SUNSET   625 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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