AFOS product CLIAPC
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CDUS46 KMTR 240845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT THU SEP 24 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 23 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         80    311 PM  94    2002  79      1       80       
  MINIMUM         43    524 AM  39    2005  48     -5       46       
  AVERAGE         62                        63     -1       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                       T      
  MONTH TO DATE    0.06                                      0.04    
  SINCE OCT 1     16.49                                      9.74    
  SINCE JAN 1      4.10                                      8.38    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        3                                         2       
  MONTH TO DATE   28                                         8       
  SINCE SEP 1     28                                         8       
  SINCE JUL 1     34                                        30       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   73                                        58       
  SINCE SEP 1     73                                        58       
  SINCE JAN 1    336                                       231       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     5.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     35           300 PM                                     
 AVERAGE    68                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        91      2004                    
 MINIMUM TEMPERATURE (F)   48        40      2005                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 24 2015.....SUNRISE   658 AM PDT   SUNSET   703 PM PDT   
SEPTEMBER 25 2015.....SUNRISE   659 AM PDT   SUNSET   702 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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