786  
CDUS46 KMTR 030833  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
133 AM PDT TUE JUN 03 2025  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JUNE 2 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 76 2:24 PM 91 2018 76 0 80  
2020  
MINIMUM 51 3:10 AM 40 2008 50 1 52  
AVERAGE 64 63 1 66  
 
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 1 0  
MONTH TO DATE 5 1  
SINCE JUN 1 5 1  
SINCE JUL 1 2656 2433  
 
COOLING  
YESTERDAY 0 1  
MONTH TO DATE 0 1  
SINCE JUN 1 0 1  
SINCE JAN 1 17 11    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 11.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 2:00 AM  
LOWEST 50 3:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 2016  
2020  
MINIMUM TEMPERATURE (F) 50 39 2001  
 
SUNRISE AND SUNSET  
JUNE 3 2025..........SUNRISE 5:47 AM PDT SUNSET 8:28 PM PDT  
JUNE 4 2025..........SUNRISE 5:47 AM PDT SUNSET 8:29 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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