AFOS product CLIAPC
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CDUS46 KMTR 200837
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1236 AM PST TUE NOV 20 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR NOVEMBER 19 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         69    303 PM  72    2005  62      7       63       
  MINIMUM         31    310 AM  29    2009  38     -7       34       
  AVERAGE         50                        50      0       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       15                                        16       
  MONTH TO DATE  217                                       219       
  SINCE SEP 1    410                                       401       
  SINCE JUL 1    451                                       411       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE SEP 1     30                                       148       
  SINCE JAN 1    182                                       530       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   E (80)       
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (100)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     E (70)       
  AVERAGE WIND SPEED     4.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           400 AM                                     
 LOWEST     23           300 PM                                     
 AVERAGE    56                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   62        74      2005                    
 MINIMUM TEMPERATURE (F)   38        29      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
NOVEMBER 20 2018......SUNRISE   656 AM PST   SUNSET   453 PM PST   
NOVEMBER 21 2018......SUNRISE   657 AM PST   SUNSET   453 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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