AFOS product CLIAPC
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354 
CDUS46 KMTR 030843
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
143 AM PDT WED OCT 3 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 2 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         81    402 PM  98    2012  77      4       80       
  MINIMUM         62    738 AM  40    2007  46     16       43       
  AVERAGE         72                        62     10       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY       MM                                         0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE OCT 1      0.00                                      0.00    
  SINCE JAN 1     12.77                                     28.18    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         3       
  MONTH TO DATE    0                                         5       
  SINCE SEP 1     70                                        42       
  SINCE JUL 1    111                                        52       
                                                                     
 COOLING                                                             
  YESTERDAY        7                                         0       
  MONTH TO DATE    7                                         0       
  SINCE SEP 1      9                                       132       
  SINCE JAN 1    161                                       514       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     6.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           400 AM                                     
 LOWEST     51           400 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   77        94      2014                    
 MINIMUM TEMPERATURE (F)   45        38      2005                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER  3 2018.......SUNRISE   707 AM PDT   SUNSET   649 PM PDT   
OCTOBER  4 2018.......SUNRISE   708 AM PDT   SUNSET   647 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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