AFOS product CLIAPC
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CDUS46 KMTR 130846
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1246 AM PST WED FEB 13 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 12 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         61    313 PM  71    2006  59      2       58       
  MINIMUM         33R   747 AM  34    2009  38     -5       39       
  AVERAGE         47                        49     -2       49      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.13    
  MONTH TO DATE    0.03                                      0.67    
  SINCE JUL 1      8.16                                      8.25    
  SINCE JAN 1      0.37                                      4.67    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                                        16       
  MONTH TO DATE  212                                       172       
  SINCE DEC 1   1372                                      1323       
  SINCE JUL 1   1944                                      1993       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   E (80)       
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (100)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SE (120)      
  AVERAGE WIND SPEED     3.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1100 PM                                     
 LOWEST     46           100 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   59        70      2006                    
 MINIMUM TEMPERATURE (F)   38        28      2011                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 13 2013......SUNRISE   701 AM PST   SUNSET   546 PM PST   
FEBRUARY 14 2013......SUNRISE   700 AM PST   SUNSET   547 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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