AFOS product CLIAPC
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CDUS46 KMTR 050827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1226 AM PST MON DEC 5 2016


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR DECEMBER 4 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         63    228 PM  65    2014  57      6       60       
  MINIMUM         36    746 AM  22    2004  36      0       37       
  AVERAGE         50                        47      3       49      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.14    
  SINCE OCT 1      4.75                                      1.55    
  SINCE JAN 1     19.42                                      5.65    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       15                                        16       
  MONTH TO DATE   56                                        65       
  SINCE DEC 1     56                                        65       
  SINCE JUL 1    560                                       606       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    186                                       378       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED     4.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1100 PM                                     
 LOWEST     52           300 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   57        65      2011                    
 MINIMUM TEMPERATURE (F)   36        16      2013                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  5 2016......SUNRISE   711 AM PST   SUNSET   449 PM PST   
DECEMBER  6 2016......SUNRISE   712 AM PST   SUNSET   449 PM PST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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