AFOS product CLIAPC
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CDUS46 KMTR 260836
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
136 AM PDT THU SEP 26 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 25 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         74    205 PM  95    2010  79     -5       73       
  MINIMUM         49    246 AM  37    2005  47      2       47       
  AVERAGE         62                        63     -1       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.82                                      0.00    
  SINCE JUL 1      0.82                                       T      
  SINCE JAN 1      2.79                                     13.77    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE SEP 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        3                                         5       
  MONTH TO DATE   16                                        69       
  SINCE SEP 1     16                                        69       
  SINCE JUL 1     52                                       124       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   62                                        10       
  SINCE SEP 1     62                                        10       
  SINCE JAN 1    299                                       163       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     8.3                                         

                                                                     
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    83           700 AM                                     
 LOWEST     31           100 PM                                     
 AVERAGE    57                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        99      2009                    
 MINIMUM TEMPERATURE (F)   47        44      2011                    
                                             2004                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 26 2013.....SUNRISE   701 AM PDT   SUNSET   659 PM PDT   
SEPTEMBER 27 2013.....SUNRISE   702 AM PDT   SUNSET   658 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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