AFOS product CLIAPC
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070 
CDUS46 KMTR 100835
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
129 AM PDT SUN AUG 10 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 9 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         69    214 PM 100    2002  79    -10       75       
  MINIMUM         54    531 AM  49    2009  52      2       55       
  AVERAGE         62                        66     -4       65      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.07                                      0.00    
  SINCE JUL 1      0.07                                      0.00    
  SINCE JAN 1      8.34                                      1.97    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        3                                         0       
  MONTH TO DATE    6                                        14       
  SINCE JUN 1     59                                        64       
  SINCE JUL 1     16                                        34       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    7                                         0       
  SINCE JUN 1    124                                       128       
  SINCE JAN 1    135                                       148       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION  SW (210)      
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED    12.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           300 AM                                     
 LOWEST     63          1200 PM                                     
 AVERAGE    78                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        93      2002                    
 MINIMUM TEMPERATURE (F)   52        47      2003                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 10 2014........SUNRISE   620 AM PDT   SUNSET   809 PM PDT   
AUGUST 11 2014........SUNRISE   620 AM PDT   SUNSET   807 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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