AFOS product CLIAPC
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CDUS46 KMTR 030832
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
132 AM PDT WED APR 3 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 2 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         70    300 PM  82    2000  66      4       65       
  MINIMUM         42    335 AM  35    2008  41      1       38       
  AVERAGE         56                        53      3       52      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.27                                      0.00    
  SINCE JUL 1      9.05                                     15.55    
  SINCE JAN 1      1.26                                     11.97    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        9                                        13       
  MONTH TO DATE   17                                        26       
  SINCE MAR 1    377                                       450       
  SINCE JUL 1   2582                                      2714       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (240)      
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     3.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           200 AM                                     
 LOWEST     57           300 PM                                     
 AVERAGE    79                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        71      2007                    
 MINIMUM TEMPERATURE (F)   41        28      2001                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL  3 2013.........SUNRISE   651 AM PDT   SUNSET   735 PM PDT   
APRIL  4 2013.........SUNRISE   649 AM PDT   SUNSET   735 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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