729  
CDUS46 KMTR 240830  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
130 AM PDT TUE JUN 24 2025  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JUNE 23 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 MM MM 96 2018 79 MM 81  
MINIMUM MM MM 44 2003 53 MM 54  
AVERAGE MM 66 MM 68  
 
PRECIPITATION (IN)  
YESTERDAY 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  
YESTERDAY MM 0  
MONTH TO DATE 60 36  
SINCE JUN 1 60 36  
SINCE JUL 1 2711 2468  
 
COOLING  
YESTERDAY MM 3  
MONTH TO DATE 2 42  
SINCE JUN 1 2 42  
SINCE JAN 1 19 52    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
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 TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 88 2003  
MINIMUM TEMPERATURE (F) 53 44 2007  
 
SUNRISE AND SUNSET  
JUNE 24 2025..........SUNRISE 5:47 AM PDT SUNSET 8:36 PM PDT  
JUNE 25 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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