411  
CDUS46 KMTR 100833  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
133 AM PDT WED JUN 10 2026  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JUNE 9 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 79 4:29 PM 94 2008 78 1 74  
MINIMUM 54 6:10 AM 40 2012 51 3 53  
AVERAGE 67 64 3 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.00 0.00  
SINCE OCT 1 17.03 16.08  
SINCE JAN 1 9.60 8.10  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1  
MONTH TO DATE 9 20  
SINCE JUN 1 9 20  
SINCE JUL 1 2326 2671  
 
COOLING  
YESTERDAY 2 0  
MONTH TO DATE 8 0  
SINCE JUN 1 8 0  
SINCE JAN 1 25 17    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 3:00 AM  
LOWEST 46 6:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 98 2019  
MINIMUM TEMPERATURE (F) 51 39 2018  
 
SUNRISE AND SUNSET  
JUNE 10 2026..........SUNRISE 5:45 AM PDT SUNSET 8:32 PM PDT  
JUNE 11 2026..........SUNRISE 5:45 AM PDT SUNSET 8:33 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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