CDUS46 KMTR 270835

CLIAPC



CLIMATE REPORT 

NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA

135 AM PDT MON OCT 27 2025



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



...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 26 2025...



CLIMATE NORMAL PERIOD: 1991 TO 2020

CLIMATE RECORD PERIOD: 1998 TO 2025





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL           

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

TEMPERATURE (F)                                                          

 YESTERDAY                                                           

  MAXIMUM         66   3:45 PM  91    2003  73     -7       77        

  MINIMUM         53   2:27 AM  37    2010  44      9       39        

                                      2022                           

                                      2023                           

  AVERAGE         60                        58      2       58     



PRECIPITATION (IN)                                                    

  YESTERDAY        T                                         0.00     

  MONTH TO DATE    1.31                                       T       

  SINCE OCT 1      1.31                                       T       

  SINCE JAN 1      9.63                                     13.84     



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY        5                                         7        

  MONTH TO DATE  105                                        68        

  SINCE SEP 1    107                                        94        

  SINCE JUL 1    152                                       107        



 COOLING                                                              

  YESTERDAY        0                                         0        

  MONTH TO DATE   10                                        85        

  SINCE SEP 1    100                                       143        

  SINCE JAN 1    211                                       444        

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





WIND (MPH)                                                            

  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (220)       

  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     S (200)       

  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     S (190)       

  AVERAGE WIND SPEED     9.0                                        





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER 0.8                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    97           2:00 AM                                      

 LOWEST     70          12:00 PM                                      

 AVERAGE    84                                                        



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





THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   73        90      2003                      

 MINIMUM TEMPERATURE (F)   44        32      2011                      





SUNRISE AND SUNSET                                                    

OCTOBER 27 2025.......SUNRISE   7:30 AM PDT   SUNSET   6:15 PM PDT     

OCTOBER 28 2025.......SUNRISE   7:31 AM PDT   SUNSET   6:14 PM PDT-  INDICATES NEGATIVE NUMBERS.

R  INDICATES RECORD WAS SET OR TIED.

MM INDICATES DATA IS MISSING.

T  INDICATES TRACE AMOUNT.









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