AFOS product CLIAPC
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CDUS46 KMTR 180828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
128 AM PDT TUE JUN 18 2019


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JUNE 17 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         74    133 PM  94    2017  79     -5       71       
  MINIMUM         55   1215 AM  43    2014  50      5       55       
                                      2010                          
  AVERAGE         65                        65      0       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    T                                          T      
  SINCE OCT 1     25.85                                     15.80    
  SINCE JAN 1     22.65                                     12.77    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         2       
  MONTH TO DATE   26                                        39       
  SINCE JUN 1     26                                        39       
  SINCE JUL 1   2773                                      2898       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   52                                        16       
  SINCE JUN 1     52                                        16       
  SINCE JAN 1     58                                        21       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     9.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           300 AM                                     
 LOWEST     57           200 PM                                     
 AVERAGE    75                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79       103      2017                    
 MINIMUM TEMPERATURE (F)   50        43      2014                    

                                                                     
SUNRISE AND SUNSET                                                   
JUNE 18 2019..........SUNRISE   546 AM PDT   SUNSET   835 PM PDT   
JUNE 19 2019..........SUNRISE   546 AM PDT   SUNSET   835 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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