AFOS product CLIAPC
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CDUS46 KMTR 010826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1226 AM PST THU JAN 1 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR DECEMBER 31 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         60    344 PM  62    2011  54      6       59       
  MINIMUM         31   1015 PM  27    2012  36     -5       30       
  AVERAGE         46                        45      1       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE   10.14                                      0.47    
  SINCE JUL 1     12.77                                      2.20    
  SINCE JAN 1     21.04                                      4.17    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       19                                        20       
  MONTH TO DATE  401                                       666       
  SINCE DEC 1    401                                       666       
  SINCE JUL 1    874                                      1345       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    267                                       303       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   N (0)        
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     N (350)      
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     N (350)      
  AVERAGE WIND SPEED    11.7                                         

                                                                     
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    61          1000 PM                                     
 LOWEST     14           100 PM                                     
 AVERAGE    38                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   54        63      2014                    
 MINIMUM TEMPERATURE (F)   36        25      2014                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY  1 2015.......SUNRISE   726 AM PST   SUNSET   500 PM PST   
JANUARY  2 2015.......SUNRISE   726 AM PST   SUNSET   501 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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