AFOS product CLIAPC
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141 
CDUS46 KMTR 090831
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1230 AM PST SAT FEB 9 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 8 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         58    314 PM  71    2006  58      0       65       
  MINIMUM         33    101 AM  23    2003  38     -5       37       
  AVERAGE         46                        48     -2       51      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.03                                      0.51    
  SINCE JUL 1      8.16                                      8.09    
  SINCE JAN 1      0.37                                      4.51    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       19                                        14       
  MONTH TO DATE  138                                       114       
  SINCE DEC 1   1298                                      1265       
  SINCE JUL 1   1870                                      1935       
                                                                     
 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   W (290)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     4.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     30           500 PM                                     
 AVERAGE    65                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   59        72      2006                    
 MINIMUM TEMPERATURE (F)   38        26      2003                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY  9 2013......SUNRISE   706 AM PST   SUNSET   541 PM PST   
FEBRUARY 10 2013......SUNRISE   705 AM PST   SUNSET   542 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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