AFOS product CLIAPC
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166 
CDUS46 KMTR 290839
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
138 AM PDT SAT AUG 29 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 28 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         93    243 PM 100    2008  81     12       82       
  MINIMUM         55    436 AM  45    2005  52      3       52       
  AVERAGE         74                        66      8       67      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.01                                      0.07    
  SINCE OCT 1     16.43                                      9.70    
  SINCE JAN 1      4.04                                      8.34    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                        12       
  SINCE JUN 1     54                                        65       
  SINCE JUL 1      6                                        22       
                                                                     
 COOLING                                                             
  YESTERDAY        9                                         2       
  MONTH TO DATE  105                                        36       
  SINCE JUN 1    248                                       153       
  SINCE JAN 1    249                                       164       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     7.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           500 AM                                     
 LOWEST     29           100 PM                                     
 AVERAGE    61                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81        99      2009                    
 MINIMUM TEMPERATURE (F)   52        46      2005                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 29 2015........SUNRISE   636 AM PDT   SUNSET   743 PM PDT   
AUGUST 30 2015........SUNRISE   637 AM PDT   SUNSET   742 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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