AFOS product CLIAPC
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CDUS46 KMTR 010839
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
138 AM PDT THU OCT 1 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 30 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         68    340 PM  98    2001  78    -10       78       
  MINIMUM         53    302 AM  37    2009  46      7       45       
  AVERAGE         61                        62     -1       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T                                         0.00    
  MONTH TO DATE    0.06                                      0.31    
  SINCE OCT 1     16.49                                     10.01    
  SINCE JAN 1      4.10                                      8.65    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        4                                         3       
  MONTH TO DATE   45                                        22       
  SINCE SEP 1     45                                        22       
  SINCE JUL 1     51                                        44       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   83                                        63       
  SINCE SEP 1     83                                        63       
  SINCE JAN 1    346                                       236       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     4.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           600 AM                                     
 LOWEST     58           400 PM                                     
 AVERAGE    76                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        98      2012                    
 MINIMUM TEMPERATURE (F)   46        38      2006                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER  1 2015.......SUNRISE   705 AM PDT   SUNSET   652 PM PDT   
OCTOBER  2 2015.......SUNRISE   706 AM PDT   SUNSET   651 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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