AFOS product CLIAPC
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CDUS46 KMTR 210826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1226 AM PST MON NOV 21 2016


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR NOVEMBER 20 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    320 PM  74    2005  62      1       73       
  MINIMUM         46    919 PM  29    2007  38      8       41       
  AVERAGE         55                        50      5       57      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.30                                      0.00    
  MONTH TO DATE    0.35                                      1.19    
  SINCE OCT 1      4.16                                      1.39    
  SINCE JAN 1     18.83                                      5.49    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                                         8       
  MONTH TO DATE  131                                       255       
  SINCE SEP 1    305                                       351       
  SINCE JUL 1    362                                       357       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE SEP 1     67                                       115       
  SINCE JAN 1    186                                       378       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   E (110)      
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     E (100)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     E (100)      
  AVERAGE WIND SPEED     3.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1200 AM                                     
 LOWEST     80           500 PM                                     
 AVERAGE    87                                                       

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

                                                                     
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 2016......SUNRISE   657 AM PST   SUNSET   453 PM PST   
NOVEMBER 22 2016......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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