AFOS product CLIAPC
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410 
CDUS46 KMTR 290826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT MON APR 29 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 28 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         82R   410 PM  82    2008  70     12       75       
  MINIMUM         47   1212 AM  32    1999  43      4       44       
  AVERAGE         65                        56      9       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.71                                      1.72    
  SINCE JUL 1      9.49                                     17.27    
  SINCE JAN 1      1.70                                     13.69    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         5       
  MONTH TO DATE  179                                       255       
  SINCE MAR 1    539                                       679       
  SINCE JUL 1   2744                                      2943       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    1                                         7       
  SINCE MAR 1      1                                         7       
  SINCE JAN 1      1                                         7       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (220)      
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     4.1                                         

                                                                     
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          1200 AM                                     
 LOWEST     39           200 PM                                     
 AVERAGE    66                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        83      2004                    
 MINIMUM TEMPERATURE (F)   43        32      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 29 2013.........SUNRISE   615 AM PDT   SUNSET   759 PM PDT   
APRIL 30 2013.........SUNRISE   613 AM PDT   SUNSET   800 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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