AFOS product CLIAPC
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CDUS46 KMTR 180845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1245 AM PST WED FEB 18 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 17 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         56    519 PM  73    2007  60     -4       63       
  MINIMUM         50    817 AM  32    2008  39     11       34       
  AVERAGE         53                        49      4       49      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    2.37                                      3.36    
  SINCE OCT 1     14.76                                      4.80    
  SINCE JAN 1      2.37                                      3.44    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       12                                        16       
  MONTH TO DATE  180                                       250       
  SINCE DEC 1   1103                                      1403       
  SINCE JUL 1   1576                                      2082       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   W (270)      
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     E (100)      
  AVERAGE WIND SPEED     6.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     83          1000 PM                                     
 AVERAGE    92                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   60        64      2012                    
                                             2000                    
 MINIMUM TEMPERATURE (F)   39        31      2003                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 18 2015......SUNRISE   656 AM PST   SUNSET   551 PM PST   
FEBRUARY 19 2015......SUNRISE   655 AM PST   SUNSET   552 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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