AFOS product CLIAPC
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CDUS46 KMTR 090905
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
205 AM PDT FRI SEP 9 2016


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 8 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         75    230 PM  98    2004  81     -6       96       
  MINIMUM         55    612 AM  43    2002  51      4       49       
  AVERAGE         65                        66     -1       73      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE OCT 1     18.86                                     16.43    
  SINCE JAN 1     14.67                                      4.04    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   10                                         6       
  SINCE SEP 1     10                                         6       
  SINCE JUL 1     67                                        12       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         8       
  MONTH TO DATE   10                                        17       
  SINCE SEP 1     10                                        17       
  SINCE JAN 1    129                                       280       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (220)      
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    11.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           300 AM                                     
 LOWEST     57           100 PM                                     
 AVERAGE    75                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81        99      2015                    
 MINIMUM TEMPERATURE (F)   51        43      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER  9 2016.....SUNRISE   646 AM PDT   SUNSET   726 PM PDT   
SEPTEMBER 10 2016.....SUNRISE   647 AM PDT   SUNSET   724 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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