922  
CDUS46 KMTR 030042  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
442 PM PST SAT DEC 02 2023  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 2 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 61 2:14 PM 75 2011 60 1 56  
MINIMUM 51 7:15 AM 24 2006 38 13 29  
AVERAGE 56 49 7 43  
 
PRECIPITATION (IN)  
TODAY 0.01 0.00  
MONTH TO DATE 0.06 0.50  
SINCE OCT 1 1.77 1.47  
SINCE JAN 1 22.98 4.93  
 
DEGREE DAYS  
HEATING  
TODAY 9 22  
MONTH TO DATE 26 42  
SINCE DEC 1 26 42  
SINCE JUL 1 432 642  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 389 487    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 8:00 AM  
LOWEST 80 2:00 PM  
AVERAGE 89  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 67 2020  
MINIMUM TEMPERATURE (F) 38 28 2004  
 
SUNRISE AND SUNSET  
DECEMBER 2 2023......SUNRISE 7:08 AM PST SUNSET 4:49 PM PST  
DECEMBER 3 2023......SUNRISE 7:09 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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