AFOS product CLIAPC
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CDUS46 KMTR 060827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1227 AM PST WED MAR 6 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 5 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    428 PM  72    2008  63     -6       67       
  MINIMUM         32R   545 AM  32    1999  40     -8       34       
  AVERAGE         45                        51     -6       51      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02                                      0.00    
  MONTH TO DATE    0.02                                      0.10    
  SINCE JUL 1      8.43                                      8.96    
  SINCE JAN 1      0.64                                      5.38    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       20                                        14       
  MONTH TO DATE   62                                        70       
  SINCE MAR 1     62                                        70       
  SINCE JUL 1   2267                                      2334       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (210)      
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     S (180)      
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     S (180)      
  AVERAGE WIND SPEED    10.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           600 AM                                     
 LOWEST     61           300 PM                                     
 AVERAGE    81                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   63        70      2007                    
 MINIMUM TEMPERATURE (F)   40        33      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH  6 2013.........SUNRISE   633 AM PST   SUNSET   608 PM PST   
MARCH  7 2013.........SUNRISE   632 AM PST   SUNSET   609 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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