AFOS product CLIAPC
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CDUS46 KMTR 210028
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
428 PM PST TUE JAN 20 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 20 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)                                                     
 TODAY                                                               
  MAXIMUM         57    334 PM  71    2014  55      2       71       
  MINIMUM         41    301 AM  25    2007  37      4       28       
  AVERAGE         49                        46      3       50      
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            0.00                                      0.00    
  MONTH TO DATE    T                                          T      
  SINCE JUL 1     12.77                                      2.20    
  SINCE JAN 1      T                                          T      
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY           16                                        15       
  MONTH TO DATE  351                                       336       
  SINCE DEC 1    752                                      1002       
  SINCE JUL 1   1225                                      1681       
                                                                     
 COOLING                                                             
  TODAY            0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   N (350)      
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION    SW (240)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED     2.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     72           300 PM                                     
 AVERAGE    86                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   55        68      2007                    
 MINIMUM TEMPERATURE (F)   37        26      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 20 2015.......SUNRISE   722 AM PST   SUNSET   518 PM PST   
JANUARY 21 2015.......SUNRISE   722 AM PST   SUNSET   519 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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