AFOS product CLIAPC
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CDUS46 KMTR 240826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
125 AM PDT TUE SEP 24 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 23 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         81    222 PM  94    2002  79      2       83       
  MINIMUM         50    632 AM  39    2005  48      2       46       
  AVERAGE         66                        63      3       65      
                                                                     
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        0                                         0       
  MONTH TO DATE   13                                        61       
  SINCE SEP 1     13                                        61       
  SINCE JUL 1     49                                       116       
                                                                     
 COOLING                                                             
  YESTERDAY        1                                         0       
  MONTH TO DATE   61                                        10       
  SINCE SEP 1     61                                        10       
  SINCE JAN 1    298                                       163       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (220)      
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     4.8                                         

                                                                     
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    96           100 AM                                     
 LOWEST     39           200 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 2013.....SUNRISE   659 AM PDT   SUNSET   702 PM PDT   
SEPTEMBER 25 2013.....SUNRISE   700 AM PDT   SUNSET   701 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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