AFOS product CLIAPC
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CDUS46 KMTR 050026
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
426 PM PST MON FEB 4 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 4 2013...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)                                                     
 TODAY                                                               
  MAXIMUM         53    348 PM  69    2001  58     -5       66       
  MINIMUM         35    239 AM  29    2002  38     -3       34       
  AVERAGE         44                        48     -4       50      
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.05    
  SINCE JUL 1      8.13                                      7.63    
  SINCE JAN 1      0.34                                      4.05    
                                                                     
SNOWFALL (IN)                                                        
  TODAY            0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY           21                                        15       
  MONTH TO DATE   66                                        63       
  SINCE DEC 1   1226                                      1214       
  SINCE JUL 1   1798                                      1884       
                                                                     
 COOLING                                                             
  TODAY            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   N (340)      
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     2.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     86           200 PM                                     
 AVERAGE    93                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   58        81      2011                    
 MINIMUM TEMPERATURE (F)   38        30      1999                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY  4 2013......SUNRISE   711 AM PST   SUNSET   536 PM PST   
FEBRUARY  5 2013......SUNRISE   710 AM PST   SUNSET   537 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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