585 
CDUS46 KMTR 150033
CLIAPC

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
533 PM PDT TUE SEP 14 2021

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 14 2021...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2021


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         77   1:37 PM  89    2004  81     -4       76        
  MINIMUM         49   6:11 AM  45    2018  51     -2       52        
  AVERAGE         63                        66     -3       64     

PRECIPITATION (IN)                                                    
  TODAY            0.00                                      0.00     
  MONTH TO DATE    T                                         0.00     
  SINCE OCT 1      7.47                                      9.50     
  SINCE JAN 1      5.34                                      3.76     

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            2                                         1        
  MONTH TO DATE   10                                        11        
  SINCE SEP 1     10                                        11        
  SINCE JUL 1     53                                        23        

 COOLING                                                              
  TODAY            0                                         0        
  MONTH TO DATE   29                                        79        
  SINCE SEP 1     29                                        79        
  SINCE JAN 1    215                                       417        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (200)       
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (200)       
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (190)       
  AVERAGE WIND SPEED     5.2                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.0                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED TODAY.                             
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           6:00 AM                                      
 LOWEST     52           1:00 PM                                      
 AVERAGE    76                                                        

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   81        91      2004                      
 MINIMUM TEMPERATURE (F)   51        39      2006                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 14 2021.....SUNRISE   6:50 AM PDT   SUNSET   7:18 PM PDT     
SEPTEMBER 15 2021.....SUNRISE   6:51 AM PDT   SUNSET   7:16 PM PDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$