AFOS product CLIAPC
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CDUS46 KMTR 190845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT MON OCT 19 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 18 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         75    236 PM  90    2012  74      1       79       
  MINIMUM         46    331 AM  37    1998  43      3       49       
  AVERAGE         61                        58      3       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.20                                      0.15    
  SINCE OCT 1      0.20                                      0.15    
  SINCE JAN 1      4.30                                      8.80    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        4                                         1       
  MONTH TO DATE   17                                        42       
  SINCE SEP 1     62                                        64       
  SINCE JUL 1     68                                        86       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   30                                        31       
  SINCE SEP 1    113                                        94       
  SINCE JAN 1    376                                       267       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     6.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     46           200 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        81      2013                    
 MINIMUM TEMPERATURE (F)   43        38      1998                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 19 2015.......SUNRISE   722 AM PDT   SUNSET   626 PM PDT   
OCTOBER 20 2015.......SUNRISE   723 AM PDT   SUNSET   625 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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