AFOS product CLIAPC
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CDUS46 KMTR 210826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1226 AM PST THU FEB 21 2019


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 20 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         59    302 PM  67    2003  61     -2       52       
  MINIMUM         40   1159 PM  21    2018  39      1       21       
  AVERAGE         50                        50      0       37      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T                                         0.00    
  MONTH TO DATE    6.76                                      0.00    
  SINCE OCT 1     15.54                                      6.63    
  SINCE JAN 1     12.34                                      3.60    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       15                                        28       
  MONTH TO DATE  358                                       286       
  SINCE DEC 1   1263                                      1316       
  SINCE JUL 1   1830                                      1844       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED    11.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89          1200 AM                                     
 LOWEST     40           300 PM                                     
 AVERAGE    65                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   61        70      2014                    
                                             2002                    
 MINIMUM TEMPERATURE (F)   39        30      2018                    
                                             2013                    
                                             2006                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 21 2019......SUNRISE   652 AM PST   SUNSET   554 PM PST   
FEBRUARY 22 2019......SUNRISE   651 AM PST   SUNSET   555 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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