AFOS product CLIAPC
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CDUS46 KMTR 250845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
144 AM PDT WED APR 25 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 24 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         68        MM  82    2004  69     -1       65        
  MINIMUM         48        MM  25    2008  42      6       52        
  AVERAGE         58                        56      2       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    3.76                                      3.10    
  SINCE OCT 1     15.79                                     36.84    
  SINCE JAN 1     12.76                                     27.89    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        7                                         6       
  MONTH TO DATE  215                                       194       
  SINCE MAR 1    653                                       459       
  SINCE JUL 1   2673                                      2342       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            
  AVERAGE WIND SPEED     7.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           700 AM                                     
 LOWEST     67           500 PM                                     
 AVERAGE    82                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        87      2004                    
 MINIMUM TEMPERATURE (F)   43        32      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 25 2018.........SUNRISE   620 AM PDT   SUNSET   755 PM PDT   
APRIL 26 2018.........SUNRISE   619 AM PDT   SUNSET   756 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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