AFOS product CLIAPC
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CDUS46 KMTR 200839
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1239 AM PST TUE JAN 20 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 19 2015...

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)                                                     
 YESTERDAY                                                           
  MAXIMUM         59    349 PM  70    2014  55      4       70       
  MINIMUM         40   1152 PM  24    2007  37      3       29       
  AVERAGE         50                        46      4       50      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    T                                          T      
  SINCE JUL 1     12.77                                      2.20    
  SINCE JAN 1      T                                          T      
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       15                                        15       
  MONTH TO DATE  335                                       321       
  SINCE DEC 1    736                                       987       
  SINCE JUL 1   1209                                      1666       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   E (100)      
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (90)       
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     5.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     75           200 PM                                     
 AVERAGE    88                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   55        71      2014                    
 MINIMUM TEMPERATURE (F)   37        25      2007                    

                                                                     
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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