AFOS product CLIAPC
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CDUS46 KMTR 230826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT TUE SEP 23 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 22 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         80    347 PM  99    2003  79      1       74       
  MINIMUM         58   1159 PM  40    2005  48     10       45       
  AVERAGE         69                        64      5       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.04                                      0.82    
  SINCE JUL 1      0.11                                      0.82    
  SINCE JAN 1      8.38                                      2.79    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         5       
  MONTH TO DATE    6                                        13       
  SINCE SEP 1      6                                        13       
  SINCE JUL 1     28                                        49       
                                                                     
 COOLING                                                             
  YESTERDAY        4                                         0       
  MONTH TO DATE   58                                        60       
  SINCE SEP 1     58                                        60       
  SINCE JAN 1    231                                       297       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     8.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    90          1200 AM                                     
 LOWEST     42           400 PM                                     
 AVERAGE    66                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        94      2002                    
 MINIMUM TEMPERATURE (F)   48        39      2005                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 23 2014.....SUNRISE   658 AM PDT   SUNSET   704 PM PDT   
SEPTEMBER 24 2014.....SUNRISE   659 AM PDT   SUNSET   703 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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