224  
CDUS46 KMTR 240044  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
544 PM PDT MON JUN 23 2025  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JUNE 23 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM MM MM 96 2018 79 MM 81  
MINIMUM 50 4:00 AM 44 2003 53 -3 54  
AVERAGE MM 66 MM 68  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.00 0.00  
SINCE OCT 1 16.08 19.88  
SINCE JAN 1 8.10 13.84  
 
DEGREE DAYS  
HEATING  
TODAY MM 0  
MONTH TO DATE 60 36  
SINCE JUN 1 60 36  
SINCE JUL 1 2711 2468  
 
COOLING  
TODAY MM 3  
MONTH TO DATE 2 42  
SINCE JUN 1 2 42  
SINCE JAN 1 19 52    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 4:00 AM  
LOWEST 75 8:00 AM  
AVERAGE 86  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 88 2003  
MINIMUM TEMPERATURE (F) 53 44 2007  
 
SUNRISE AND SUNSET  
JUNE 23 2025..........SUNRISE 5:47 AM PDT SUNSET 8:36 PM PDT  
JUNE 24 2025..........SUNRISE 5:47 AM PDT SUNSET 8:36 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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