418  
CDUS46 KMTR 060039  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
439 PM PST WED NOV 05 2025  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 5 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 64 4:02 PM 85 2020 69 -5 76  
MINIMUM 57 8:08 AM 31 2011 42 15 41  
AVERAGE 61 56 5 59  
 
PRECIPITATION (IN)  
TODAY 0.61 0.00  
MONTH TO DATE 0.61 0.35  
SINCE OCT 1 1.92 0.36  
SINCE JAN 1 10.24 14.20  
 
DEGREE DAYS  
HEATING  
TODAY 4 6  
MONTH TO DATE 25 40  
SINCE SEP 1 156 181  
SINCE JUL 1 201 194  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE SEP 1 100 143  
SINCE JAN 1 211 444    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 72 4:00 AM  
AVERAGE 84  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 81 2012  
MINIMUM TEMPERATURE (F) 42 34 2018  
 
SUNRISE AND SUNSET  
NOVEMBER 5 2025......SUNRISE 6:40 AM PST SUNSET 5:05 PM PST  
NOVEMBER 6 2025......SUNRISE 6:41 AM PST SUNSET 5:04 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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