507 
CDUS46 KMTR 190030
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
530 PM PDT FRI OCT 18 2019


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 18 2019...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 TODAY                                                               
  MAXIMUM         72    132 PM  90    2012  74     -2       75       
  MINIMUM         41    621 AM  37    2017  43     -2       39       
                                      1998                          
  AVERAGE         57                        58     -1       57      
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE OCT 1      0.00                                      0.00    
  SINCE JAN 1     22.66                                     12.77    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY            8                                         8       
  MONTH TO DATE   89                                        55       
  SINCE SEP 1    129                                       125       
  SINCE JUL 1    144                                       166       
                                                                     
 COOLING                                                             
  TODAY            0                                         0       
  MONTH TO DATE    2                                        28       
  SINCE SEP 1     76                                        30       
  SINCE JAN 1    334                                       182       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     6.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED TODAY.                            
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           600 AM                                     
 LOWEST     38           200 PM                                     
 AVERAGE    67                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        81      2018                    
                                             2013                    
 MINIMUM TEMPERATURE (F)   43        38      1998                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 18 2019.......SUNRISE   721 AM PDT   SUNSET   627 PM PDT   
OCTOBER 19 2019.......SUNRISE   722 AM PDT   SUNSET   626 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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