AFOS product CLIAPC
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433 
CDUS46 KMTR 010031
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
530 PM PDT TUE APR 30 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 30 2013...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)                                                     
 TODAY                                                               
  MAXIMUM         81R   227 PM  80    2007  70     11       76       
  MINIMUM         48    514 AM  31    2008  43      5       49       
  AVERAGE         65                        57      8       63      
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            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)                                                        
  TODAY            0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY            0                                         2       
  MONTH TO DATE  179                                       259       
  SINCE MAR 1    539                                       683       
  SINCE JUL 1   2744                                      2947       
                                                                     
 COOLING                                                             
  TODAY            0                                         0       
  MONTH TO DATE    3                                         7       
  SINCE MAR 1      3                                         7       
  SINCE JAN 1      3                                         7       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   S (190)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED     6.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           300 AM                                     
 LOWEST     33           100 PM                                     
 AVERAGE    60                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        80      2004                    
 MINIMUM TEMPERATURE (F)   43        34      2011                    
                                             2008                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 30 2013.........SUNRISE   613 AM PDT   SUNSET   800 PM PDT   
MAY  1 2013...........SUNRISE   612 AM PDT   SUNSET   801 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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