AFOS product CLIAPC
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CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1226 AM PST FRI FEB 22 2019


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 21 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         57    350 PM  70    2014  61     -4       55       
                                      2002                          
  MINIMUM         28R   707 AM  30    2018  39    -11       30       
                                      2013                          
                                      2006                          
  AVERAGE         43                        50     -7       43      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      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       22                                        22       
  MONTH TO DATE  380                                       308       
  SINCE DEC 1   1285                                      1338       
  SINCE JUL 1   1852                                      1866       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   N (10)       
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     N (10)       
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED    10.4                                         

                                                                     
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    92           200 AM                                     
 LOWEST     24           500 PM                                     
 AVERAGE    58                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   61        78      2012                    
 MINIMUM TEMPERATURE (F)   39        28      2018                    
                                             2013                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 22 2019......SUNRISE   651 AM PST   SUNSET   555 PM PST   
FEBRUARY 23 2019......SUNRISE   649 AM PST   SUNSET   556 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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