AFOS product CLIAPC
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CDUS46 KMTR 250845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1245 AM PST FRI JAN 25 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 24 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         59    310 PM  65    2011  56      3       57       
  MINIMUM         47    519 AM  26    2007  37     10       41       
  AVERAGE         53                        47      6       49      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T                                         0.00    
  MONTH TO DATE    0.34                                      4.00    
  SINCE JUL 1      8.13                                      7.58    
  SINCE JAN 1      0.34                                      4.00    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       12                                        16       
  MONTH TO DATE  506                                       453       
  SINCE DEC 1   1046                                      1051       
  SINCE JUL 1   1618                                      1721       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   E (70)       
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (100)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     2.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1200 AM                                     
 LOWEST     80           300 PM                                     
 AVERAGE    87                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        65      2003                    
 MINIMUM TEMPERATURE (F)   37        27      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 25 2013.......SUNRISE   719 AM PST   SUNSET   524 PM PST   
JANUARY 26 2013.......SUNRISE   718 AM PST   SUNSET   526 PM PST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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