AFOS product CLIAPC
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CDUS46 KMTR 150826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1226 AM PST FRI FEB 15 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 14 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         68R   354 PM  68    2006  60      8       59       
  MINIMUM         34    352 AM  30    2012  39     -5       30       
  AVERAGE         51                        49      2       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.09    
  MONTH TO DATE    0.03                                      0.85    
  SINCE JUL 1      8.16                                      8.43    
  SINCE JAN 1      0.37                                      4.85    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       14                                        20       
  MONTH TO DATE  246                                       210       
  SINCE DEC 1   1406                                      1361       
  SINCE JUL 1   1978                                      2031       
                                                                     
 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  SW (230)      
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     2.5                                         

                                                                     
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                                       
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     42           300 PM                                     
 AVERAGE    71                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   60        68      2007                    
 MINIMUM TEMPERATURE (F)   39        29      2006                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 15 2013......SUNRISE   659 AM PST   SUNSET   548 PM PST   
FEBRUARY 16 2013......SUNRISE   658 AM PST   SUNSET   549 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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