CDUS46 KMTR 200834

CLIAPC



CLIMATE REPORT 

NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA

134 AM PDT MON APR 20 2026



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



...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 19 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         70   2:44 PM  87    2009  69      1       64        

  MINIMUM         43   4:37 AM  33    2007  44     -1       42        

  AVERAGE         57                        56      1       53     



PRECIPITATION (IN)                                                    

  YESTERDAY        0.00                                      0.00     

  MONTH TO DATE    1.61                                      0.23     

  SINCE OCT 1     14.48                                     15.85     

  SINCE JAN 1      7.05                                      7.87     



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY        8                                        12        

  MONTH TO DATE  147                                       172        

  SINCE MAR 1    306                                       573        

  SINCE JUL 1   2104                                      2428        



 COOLING                                                              

  YESTERDAY        0                                         0        

  MONTH TO DATE    0                                         0        

  SINCE MAR 1      8                                         2        

  SINCE JAN 1      8                                         2        

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





WIND (MPH)                                                            

  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (200)       

  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (190)       

  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (190)       

  AVERAGE WIND SPEED     7.7                                        





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER 0.0                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  FOG                                                                 





RELATIVE HUMIDITY (PERCENT)

 HIGHEST   100           6:00 AM                                      

 LOWEST     16           2:00 PM                                      

 AVERAGE    58                                                        



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THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   69        90      2009                      

 MINIMUM TEMPERATURE (F)   44        33      2008                      





SUNRISE AND SUNSET                                                    

APRIL 20 2026.........SUNRISE   6:26 AM PDT   SUNSET   7:50 PM PDT     

APRIL 21 2026.........SUNRISE   6:25 AM PDT   SUNSET   7:51 PM PDT     





-  INDICATES NEGATIVE NUMBERS.

R  INDICATES RECORD WAS SET OR TIED.

MM INDICATES DATA IS MISSING.

T  INDICATES TRACE AMOUNT.$$