AFOS product CLIAPC
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CDUS46 KMTR 070834
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1234 AM PST THU MAR 7 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 6 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    309 PM  70    2007  63     -5       61       
  MINIMUM         35   1154 PM  33    2008  40     -5       36       
  AVERAGE         47                        51     -4       49      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.08                                       T      
  MONTH TO DATE    0.10                                      0.10    
  SINCE JUL 1      8.51                                      8.96    
  SINCE JAN 1      0.72                                      5.38    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                                        16       
  MONTH TO DATE   80                                        86       
  SINCE MAR 1     80                                        86       
  SINCE JUL 1   2285                                      2350       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION  SW (220)      
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED    10.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92          1000 PM                                     
 LOWEST     51           200 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   63        72      2004                    
 MINIMUM TEMPERATURE (F)   40        30      2003                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH  7 2013.........SUNRISE   632 AM PST   SUNSET   609 PM PST   
MARCH  8 2013.........SUNRISE   630 AM PST   SUNSET   610 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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