AFOS product CLIAPC
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CDUS46 KMTR 280836
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1235 AM PST THU FEB 28 2019


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 27 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         60   1258 PM  72    2001  62     -2       60       
  MINIMUM         50   1159 PM  25    2012  40     10       30       
  AVERAGE         55                        51      4       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.37                                      0.00    
  MONTH TO DATE    8.99                                      0.11    
  SINCE OCT 1     17.77                                      6.74    
  SINCE JAN 1     14.57                                      3.71    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                                        20       
  MONTH TO DATE  472                                       440       
  SINCE DEC 1   1377                                      1470       
  SINCE JUL 1   1944                                      1998       
                                                                     
 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   S (200)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (180)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     S (160)      
  AVERAGE WIND SPEED    11.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           300 AM                                     
 LOWEST     77           300 PM                                     
 AVERAGE    85                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   62        71      2008                    
 MINIMUM TEMPERATURE (F)   40        28      2012                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 28 2019......SUNRISE   643 AM PST   SUNSET   601 PM PST   
MARCH  1 2019.........SUNRISE   641 AM PST   SUNSET   602 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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