AFOS product CLIAPC
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CDUS46 KMTR 180829
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1229 AM PST SUN NOV 18 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR NOVEMBER 17 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         62    140 PM  78    2008  63     -1       64       
  MINIMUM         31    704 AM  25    2000  39     -8       34       
  AVERAGE         47                        51     -4       49      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  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       18                                        16       
  MONTH TO DATE  184                                       185       
  SINCE SEP 1    377                                       367       
  SINCE JUL 1    418                                       377       
                                                                     
 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  SW (220)      
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     2.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           900 PM                                     
 LOWEST     39           100 PM                                     
 AVERAGE    70                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   63        78      2005                    
 MINIMUM TEMPERATURE (F)   39        26      2000                    

                                                                     
SUNRISE AND SUNSET                                                   
NOVEMBER 18 2018......SUNRISE   654 AM PST   SUNSET   455 PM PST   
NOVEMBER 19 2018......SUNRISE   655 AM PST   SUNSET   454 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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