477 
CDUS46 KMTR 260045
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
545 PM PDT WED SEP 25 2019


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 25 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         95    359 PM  99    2016  79     16       76       
  MINIMUM         55    606 AM  37    2005  47      8       46       
  AVERAGE         75                        63     12       61      
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            0.00                                      0.00    
  MONTH TO DATE    0.01                                       T      
  SINCE OCT 1     25.86                                     15.80    
  SINCE JAN 1     22.66                                     12.77    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY            0                                         4       
  MONTH TO DATE   10                                        56       
  SINCE SEP 1     10                                        56       
  SINCE JUL 1     25                                        97       
                                                                     
 COOLING                                                             
  TODAY           10                                         0       
  MONTH TO DATE   69                                         1       
  SINCE SEP 1     69                                         1       
  SINCE JAN 1    327                                       153       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     4.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    72           200 AM                                     
 LOWEST     28           400 PM                                     
 AVERAGE    50                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        99      2016                    
                                             2009                    
 MINIMUM TEMPERATURE (F)   47        43      2018                    
                                             2013                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 25 2019.....SUNRISE   659 AM PDT   SUNSET   702 PM PDT   
SEPTEMBER 26 2019.....SUNRISE   700 AM PDT   SUNSET   700 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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