AFOS product CLIAPC
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009 
CDUS46 KMTR 230826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT WED OCT 23 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 22 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         72    314 PM  87    2008  73     -1       67       
  MINIMUM         38    249 AM  37    2008  42     -4       51       
  AVERAGE         55                        57     -2       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.98    
  MONTH TO DATE    0.00                                      1.11    
  SINCE JUL 1      0.84                                      1.11    
  SINCE JAN 1      2.81                                     14.88    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE SEP 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                                         6       
  MONTH TO DATE  142                                        79       
  SINCE SEP 1    170                                       159       
  SINCE JUL 1    206                                       214       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    4                                        36       
  SINCE SEP 1     66                                        51       
  SINCE JAN 1    303                                       204       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   S (190)      
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (110)      
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION    NE (30)       
  AVERAGE WIND SPEED     3.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     44           300 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72        86      2011                    
                                             2007                    
 MINIMUM TEMPERATURE (F)   42        37      1998                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 23 2013.......SUNRISE   726 AM PDT   SUNSET   620 PM PDT   
OCTOBER 24 2013.......SUNRISE   727 AM PDT   SUNSET   619 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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