CDUS46 KMTR 090826

CLIAPC



CLIMATE REPORT 

NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA

126 AM PDT FRI MAY 09 2025



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



...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 8 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         80   3:37 PM  92    2001  72      8       80        

                                      2021                           

  MINIMUM         45  12:23 AM  36    1999  47     -2       44        

  AVERAGE         63                        59      4       62     



PRECIPITATION (IN)                                                    

  YESTERDAY        0.00                                      0.00     

  MONTH TO DATE    T                                         0.69     

  SINCE OCT 1     15.88                                     19.88     

  SINCE JAN 1      7.90                                     13.84     



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY        2                                         3        

  MONTH TO DATE   45                                        65        

  SINCE MAR 1    711                                       696        

  SINCE JUL 1   2566                                      2344        



 COOLING                                                              

  YESTERDAY        0                                         0        

  MONTH TO DATE    5                                         0        

  SINCE MAR 1      7                                         0        

  SINCE JAN 1      7                                         0        

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





WIND (MPH)                                                            

  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  SW (240)       

  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (260)       

  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (270)       

  AVERAGE WIND SPEED     6.1                                        





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER 0.4                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  FOG                                                                 





RELATIVE HUMIDITY (PERCENT)

 HIGHEST   100           7:00 AM                                      

 LOWEST     39           4:00 PM                                      

 AVERAGE    70                                                        



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





THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   72        86      2021                      

 MINIMUM TEMPERATURE (F)   47        33      2003                      





SUNRISE AND SUNSET                                                    

MAY  9 2025...........SUNRISE   6:03 AM PDT   SUNSET   8:08 PM PDT     

MAY 10 2025...........SUNRISE   6:02 AM PDT   SUNSET   8:09 PM PDT     





-  INDICATES NEGATIVE NUMBERS.

R  INDICATES RECORD WAS SET OR TIED.

MM INDICATES DATA IS MISSING.

T  INDICATES TRACE AMOUNT.









$$