CDUS46 KMTR 040827

CLIAPC



CLIMATE REPORT 

NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA

127 AM PDT MON MAY 04 2026



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



...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 3 2026...



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)                                                          

 YESTERDAY                                                           

  MAXIMUM         66   3:04 PM  93    2021  71     -5       70        

  MINIMUM         52  11:21 PM  36    2008  46      6       46        

  AVERAGE         59                        58      1       58     



PRECIPITATION (IN)                                                    

  YESTERDAY        0.00                                       T       

  MONTH TO DATE    0.00                                       T       

  SINCE OCT 1     16.39                                     15.88     

  SINCE JAN 1      8.96                                      7.90     



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY        6                                         7        

  MONTH TO DATE   20                                        20        

  SINCE MAR 1    427                                       686        

  SINCE JUL 1   2225                                      2541        



 COOLING                                                              

  YESTERDAY        0                                         0        

  MONTH TO DATE    0                                         0        

  SINCE MAR 1      8                                         2        

  SINCE JAN 1      8                                         2        

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





WIND (MPH)                                                            

  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   W (250)       

  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (200)       

  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (210)       

  AVERAGE WIND SPEED     9.8                                        





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER 0.8                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  LIGHT RAIN                                                          





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    90           9:00 PM                                      

 LOWEST     59           3:00 PM                                      

 AVERAGE    75                                                        



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





THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   71        85      2021                      

 MINIMUM TEMPERATURE (F)   46        36      1999                      

                                             2020                     





SUNRISE AND SUNSET                                                    

MAY  4 2026...........SUNRISE   6:09 AM PDT   SUNSET   8:03 PM PDT     

MAY  5 2026...........SUNRISE   6:08 AM PDT   SUNSET   8:04 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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