AFOS product CLIAPC
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039 
CDUS46 KMTR 110826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT THU SEP 11 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 10 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         93    322 PM  94    2009  81     12       74       
  MINIMUM         48    354 AM  40    2005  50     -2       54       
  AVERAGE         71                        66      5       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE JUL 1      0.07                                      0.00    
  SINCE JAN 1      8.34                                      1.97    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         1       
  MONTH TO DATE    6                                         1       
  SINCE SEP 1      6                                         1       
  SINCE JUL 1     28                                        37       
                                                                     
 COOLING                                                             
  YESTERDAY        6                                         0       
  MONTH TO DATE   18                                        41       
  SINCE SEP 1     18                                        41       
  SINCE JAN 1    191                                       278       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SW (210)      
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     4.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     25           300 PM                                     
 AVERAGE    63                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   80        95      2003                    
 MINIMUM TEMPERATURE (F)   50        40      2005                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 11 2014.....SUNRISE   647 AM PDT   SUNSET   723 PM PDT   
SEPTEMBER 12 2014.....SUNRISE   648 AM PDT   SUNSET   722 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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