AFOS product CLIAPC
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238 
CDUS46 KMTR 200845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT WED JUN 20 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JUNE 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         75    433 PM  96    2008  79     -4       88       
  MINIMUM         52    243 AM  43    2005  51      1       62       
  AVERAGE         64                        65     -1       75      
                                                                     
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        1                                         0       
  MONTH TO DATE   41                                        17       
  SINCE JUN 1     41                                        17       
  SINCE JUL 1   2900                                      2478       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                        10       
  MONTH TO DATE   16                                        70       
  SINCE JUN 1     16                                        70       
  SINCE JAN 1     21                                       104       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     8.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           100 AM                                     
 LOWEST     49           500 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79       103      2008                    
 MINIMUM TEMPERATURE (F)   51        42      2010                    

                                                                     
SUNRISE AND SUNSET                                                   
JUNE 20 2018..........SUNRISE   546 AM PDT   SUNSET   836 PM PDT   
JUNE 21 2018..........SUNRISE   546 AM PDT   SUNSET   836 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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