007  
CDUS46 KMTR 110826  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT WED JUN 11 2025  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JUNE 10 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 75 3:09 PM 98 2019 78 -3 78  
MINIMUM 52 11:59 PM 39 2018 51 1 54  
AVERAGE 64 64 0 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 21 11  
SINCE JUN 1 21 11  
SINCE JUL 1 2672 2443  
 
COOLING  
YESTERDAY 0 1  
MONTH TO DATE 0 24  
SINCE JUN 1 0 24  
SINCE JAN 1 17 34    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 57 4:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 100 2019  
MINIMUM TEMPERATURE (F) 51 43 2000  
 
SUNRISE AND SUNSET  
JUNE 11 2025..........SUNRISE 5:45 AM PDT SUNSET 8:33 PM PDT  
JUNE 12 2025..........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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