AFOS product CLIAPC
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838 
CDUS46 KMTR 130826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
125 AM PDT WED JUN 13 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JUNE 12 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         86    205 PM  94    2008  78      8       74       
  MINIMUM         51    440 AM  43    2017  49      2       43       
                                      2009                          
  AVERAGE         69                        64      5       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    T                                         0.26    
  SINCE OCT 1     15.80                                     37.11    
  SINCE JAN 1     12.77                                     28.16    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         6       
  MONTH TO DATE   28                                        16       
  SINCE JUN 1     28                                        16       
  SINCE JUL 1   2887                                      2477       
                                                                     
 COOLING                                                             
  YESTERDAY        4                                         0       
  MONTH TO DATE   13                                         6       
  SINCE JUN 1     13                                         6       
  SINCE JAN 1     18                                        40       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   S (190)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     8.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           200 AM                                     
 LOWEST     40          1200 PM                                     
 AVERAGE    67                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        98      2000                    
 MINIMUM TEMPERATURE (F)   50        42      2014                    

                                                                     
SUNRISE AND SUNSET                                                   
JUNE 13 2018..........SUNRISE   545 AM PDT   SUNSET   833 PM PDT   
JUNE 14 2018..........SUNRISE   545 AM PDT   SUNSET   834 PM PDT   

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




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