AFOS product CLIAPC
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CDUS46 KMTR 210827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1226 AM PST WED NOV 21 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR NOVEMBER 20 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         66    238 PM  74    2005  62      4       62       
  MINIMUM         31    716 AM  29    2007  38     -7       53       
  AVERAGE         49                        50     -1       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                       T      
  MONTH TO DATE    0.00                                      2.27    
  SINCE OCT 1      0.00                                      2.46    
  SINCE JAN 1     12.77                                     30.64    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       16                                         7       
  MONTH TO DATE  233                                       226       
  SINCE SEP 1    426                                       408       
  SINCE JUL 1    467                                       418       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE SEP 1     30                                       148       
  SINCE JAN 1    182                                       530       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   0   RESULTANT WIND DIRECTION   N (20)       
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NE (30)       
  AVERAGE WIND SPEED     2.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           900 PM                                     
 LOWEST     39          1200 PM                                     
 AVERAGE    63                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   62        73      2005                    
 MINIMUM TEMPERATURE (F)   38        27      2003                    

                                                                     
SUNRISE AND SUNSET                                                   
NOVEMBER 21 2018......SUNRISE   657 AM PST   SUNSET   453 PM PST   
NOVEMBER 22 2018......SUNRISE   658 AM PST   SUNSET   452 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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