AFOS product CLIAPC
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205 
CDUS46 KMTR 280828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
128 AM PDT SAT SEP 28 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 27 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         78    322 PM  97    2010  78      0       81       
  MINIMUM         48   1151 PM  45    2005  47      1       46       
  AVERAGE         63                        62      1       64      
                                                                     
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        2                                         1       
  MONTH TO DATE   22                                        73       
  SINCE SEP 1     22                                        73       
  SINCE JUL 1     58                                       128       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   62                                        10       
  SINCE SEP 1     62                                        10       
  SINCE JAN 1    299                                       163       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  NW (330)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     N (10)       
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     N (340)      
  AVERAGE WIND SPEED     9.0                                         

                                                                     
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    64          1100 PM                                     
 LOWEST     21          1100 AM                                     
 AVERAGE    43                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78       100      2010                    
 MINIMUM TEMPERATURE (F)   47        40      2001                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 28 2013.....SUNRISE   702 AM PDT   SUNSET   656 PM PDT   
SEPTEMBER 29 2013.....SUNRISE   703 AM PDT   SUNSET   655 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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