CDUS46 KMTR 220034
CLIAPC

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
534 PM PDT FRI AUG 21 2026

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 21 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         82   3:51 PM  93    2020  81      1       91        
  MINIMUM         55   4:10 AM  47    2001  54      1       54        
  AVERAGE         69                        67      2       73     

PRECIPITATION (IN)                                                    
  TODAY            0.00                                      0.00     
  MONTH TO DATE    T                                         0.00     
  SINCE OCT 1     17.03                                     16.08     
  SINCE JAN 1      9.60                                      8.10     

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            0                                         0        
  MONTH TO DATE    5                                         7        
  SINCE JUN 1     49                                       109        
  SINCE JUL 1     28                                        45        

 COOLING                                                              
  TODAY            4                                         8        
  MONTH TO DATE   26                                        50        
  SINCE JUN 1    142                                        70        
  SINCE JAN 1    159                                        87        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SW (240)       
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (260)       
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (230)       
  AVERAGE WIND SPEED     8.9                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.4                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           3:00 AM                                      
 LOWEST     41           3:00 PM                                      
 AVERAGE    69                                                        

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   81        97      1999                      
 MINIMUM TEMPERATURE (F)   54        45      2006                      


SUNRISE AND SUNSET                                                    
AUGUST 21 2026........SUNRISE   6:29 AM PDT   SUNSET   7:54 PM PDT     
AUGUST 22 2026........SUNRISE   6:30 AM PDT   SUNSET   7:53 PM PDT     


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




$$