AFOS product CLIAPC
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CDUS46 KMTR 080838
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
138 AM PDT THU OCT 8 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 7 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         80    236 PM  91    2002  76      4       79       
  MINIMUM         47    621 AM  37    2009  45      2       44       
  AVERAGE         64                        60      4       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.20                                      0.00    
  SINCE OCT 1      0.20                                      0.00    
  SINCE JAN 1      4.30                                      8.65    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        1                                         3       
  MONTH TO DATE   12                                         3       
  SINCE SEP 1     57                                        25       
  SINCE JUL 1     63                                        47       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    2                                        24       
  SINCE SEP 1     85                                        87       
  SINCE JAN 1    348                                       260       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     5.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           400 AM                                     
 LOWEST     45           200 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   76        90      1999                    
 MINIMUM TEMPERATURE (F)   44        40      2010                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER  8 2015.......SUNRISE   711 AM PDT   SUNSET   642 PM PDT   
OCTOBER  9 2015.......SUNRISE   712 AM PDT   SUNSET   640 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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