AFOS product CLIAPC
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CDUS46 KMTR 260828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT MON SEP 26 2016


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 25 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         99R   322 PM  95    2010  79     20       88       
  MINIMUM         49    632 AM  37    2005  47      2       48       
  AVERAGE         74                        63     11       68      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.06    
  SINCE OCT 1     18.86                                     16.49    
  SINCE JAN 1     14.67                                      4.10    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   33                                        28       
  SINCE SEP 1     33                                        28       
  SINCE JUL 1     90                                        34       
                                                                     
 COOLING                                                             
  YESTERDAY        9                                         3       
  MONTH TO DATE   44                                        82       
  SINCE SEP 1     44                                        82       
  SINCE JAN 1    163                                       345       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   E (110)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (90)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     E (110)      
  AVERAGE WIND SPEED     4.7                                         

                                                                     
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           600 AM                                     
 LOWEST     13           300 PM                                     
 AVERAGE    53                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        99      2009                    
 MINIMUM TEMPERATURE (F)   47        43      2013                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 26 2016.....SUNRISE   701 AM PDT   SUNSET   659 PM PDT   
SEPTEMBER 27 2016.....SUNRISE   702 AM PDT   SUNSET   657 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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