011 
CDUS46 KMTR 170827
CLIAPC

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1227 AM PST WED FEB 17 2021

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 16 2021...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1998 TO 2021


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         61   3:14 PM  77    2007  60      1       65        
  MINIMUM         34   6:15 AM  27    2006  39     -5       41        
                                      2018                           
  AVERAGE         48                        49     -1       53     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00                                      0.00     
  MONTH TO DATE    0.93                                      0.00     
  SINCE OCT 1      5.86                                      7.10     
  SINCE JAN 1      3.73                                      1.36     

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       17                                        12        
  MONTH TO DATE  232                                       227        
  SINCE DEC 1   1202                                      1234        
  SINCE JUL 1   1661                                      1834        

 COOLING                                                              
  YESTERDAY        0                                         0        
  MONTH TO DATE    0                                         0        
  SINCE DEC 1      0                                         0        
  SINCE JAN 1      0                                         0        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   W (270)       
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (260)       
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     W (250)       
  AVERAGE WIND SPEED     4.0                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.0                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 
  FOG W/VISIBILITY <= 1/4 MILE                                        


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           6:00 AM                                      
 LOWEST     50           3:00 PM                                      
 AVERAGE    74                                                        

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   60        75      2020                      
 MINIMUM TEMPERATURE (F)   39        31      2018                      


SUNRISE AND SUNSET                                                    
FEBRUARY 17 2021......SUNRISE   6:56 AM PST   SUNSET   5:50 PM PST     
FEBRUARY 18 2021......SUNRISE   6:55 AM PST   SUNSET   5:51 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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