AFOS product CLIAPC
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233 
CDUS46 KMTR 230845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1245 AM PST SAT FEB 23 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 22 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         62    331 PM  78    2012  61      1       78       
  MINIMUM         28R   634 AM  29    2006  39    -11       37       
  AVERAGE         45                        50     -5       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.28                                      0.87    
  SINCE JUL 1      8.41                                      8.45    
  SINCE JAN 1      0.62                                      4.87    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       20                                         7       
  MONTH TO DATE  390                                       325       
  SINCE DEC 1   1550                                      1476       
  SINCE JUL 1   2122                                      2146       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     5.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           100 AM                                     
 LOWEST     48           300 PM                                     
 AVERAGE    70                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   61        78      2012                    
 MINIMUM TEMPERATURE (F)   39        32      2011                    
                                             2004                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 23 2013......SUNRISE   649 AM PST   SUNSET   557 PM PST   
FEBRUARY 24 2013......SUNRISE   647 AM PST   SUNSET   558 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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