AFOS product CLIAPC
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CDUS46 KMTR 280845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1245 AM PST MON JAN 28 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 27 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         57    334 PM  71    2012  56      1       71       
  MINIMUM         30    716 AM  28    2001  38     -8       36       
  AVERAGE         44                        47     -3       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.34                                      4.00    
  SINCE JUL 1      8.13                                      7.58    
  SINCE JAN 1      0.34                                      4.00    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       21                                        11       
  MONTH TO DATE  552                                       486       
  SINCE DEC 1   1092                                      1084       
  SINCE JUL 1   1664                                      1754       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (240)      
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     3.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           400 AM                                     
 LOWEST     43           300 PM                                     
 AVERAGE    68                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        64      2012                    
 MINIMUM TEMPERATURE (F)   38        27      2012                    
                                             1999                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 28 2013.......SUNRISE   717 AM PST   SUNSET   528 PM PST   
JANUARY 29 2013.......SUNRISE   716 AM PST   SUNSET   529 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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