818  
CDUS46 KMTR 020026  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
426 PM PST SUN DEC 01 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 1 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 67 1:55 PM 69 2011 60 7 62  
MINIMUM 46 1:43 AM 20 2007 38 8 34  
AVERAGE 57 49 8 48  
 
PRECIPITATION (IN)  
TODAY 0.00 0.05  
MONTH TO DATE 0.00 0.05  
SINCE OCT 1 4.26 1.76  
SINCE JAN 1 18.10 22.97  
 
DEGREE DAYS  
HEATING  
TODAY 8 17  
MONTH TO DATE 8 17  
SINCE DEC 1 8 17  
SINCE JUL 1 548 423  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 444 389    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 1:00 AM  
LOWEST 40 2:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 75 2011  
MINIMUM TEMPERATURE (F) 38 24 2006  
 
SUNRISE AND SUNSET  
DECEMBER 1 2024......SUNRISE 7:07 AM PST SUNSET 4:49 PM PST  
DECEMBER 2 2024......SUNRISE 7:08 AM PST SUNSET 4:49 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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