AFOS product CLIAPC
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CDUS46 KMTR 060825
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1225 AM PST FRI DEC 6 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR DECEMBER 5 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         49    350 PM  65    2011  57     -8       61       
  MINIMUM         16R   445 AM  25    2009  36    -20       56       
  AVERAGE         33                        47    -14       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.15    
  MONTH TO DATE    0.00                                      1.72    
  SINCE JUL 1      1.73                                      5.33    
  SINCE JAN 1      3.70                                     19.10    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       32                                         6       
  MONTH TO DATE  112                                        48       
  SINCE DEC 1    112                                        48       
  SINCE JUL 1    791                                       620       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    303                                       204       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     2.2                                         

                                                                     
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    75          1000 PM                                     
 LOWEST     23           300 PM                                     
 AVERAGE    49                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   57        66      2006                    
 MINIMUM TEMPERATURE (F)   36        22      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  6 2013......SUNRISE   712 AM PST   SUNSET   449 PM PST   
DECEMBER  7 2013......SUNRISE   713 AM PST   SUNSET   449 PM PST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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