840  
CDUS46 KMTR 070028  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
428 PM PST THU NOV 06 2025  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 6 2025  
 
VALID TODAY AS OF 0400 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 67 3:56 PM 81 2012 69 -2 72  
MINIMUM 56 6:01 AM 34 2018 42 14 45  
AVERAGE 62 55 7 59  
 
PRECIPITATION (IN)  
TODAY 0.01 0.00  
MONTH TO DATE 0.68 0.35  
SINCE OCT 1 1.99 0.36  
SINCE JAN 1 10.31 14.20  
 
DEGREE DAYS  
HEATING  
TODAY 3 6  
MONTH TO DATE 28 46  
SINCE SEP 1 159 187  
SINCE JUL 1 204 200  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE SEP 1 100 143  
SINCE JAN 1 211 444    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 70 3:00 PM  
AVERAGE 85  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 77 2006  
2018  
MINIMUM TEMPERATURE (F) 42 32 2011  
 
SUNRISE AND SUNSET  
NOVEMBER 6 2025......SUNRISE 6:41 AM PST SUNSET 5:04 PM PST  
NOVEMBER 7 2025......SUNRISE 6:42 AM PST SUNSET 5:03 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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