AFOS product CLIAPC
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207 
CDUS46 KMTR 260826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
125 AM PDT FRI APR 26 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 25 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         68    208 PM  87    2004  69     -1       73       
  MINIMUM         46    141 AM  32    2009  43      3       54       
  AVERAGE         57                        56      1       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.11    
  MONTH TO DATE    0.71                                      1.63    
  SINCE JUL 1      9.49                                     17.18    
  SINCE JAN 1      1.70                                     13.60    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        8                                         1       
  MONTH TO DATE  168                                       229       
  SINCE MAR 1    528                                       653       
  SINCE JUL 1   2733                                      2917       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    1                                         7       
  SINCE MAR 1      1                                         7       
  SINCE JAN 1      1                                         7       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (270)      
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    58   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED    11.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           100 AM                                     
 LOWEST     56           300 PM                                     
 AVERAGE    75                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        91      2004                    
 MINIMUM TEMPERATURE (F)   43        32      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 26 2013.........SUNRISE   618 AM PDT   SUNSET   756 PM PDT   
APRIL 27 2013.........SUNRISE   617 AM PDT   SUNSET   757 PM PDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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