851  
CDUS46 KMTR 030031  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
431 PM PST TUE JAN 02 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 2 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 56 12:41 PM 67 2014 56 0 49  
MINIMUM 37 2:13 AM 23 2000 38 -1 40  
AVERAGE 47 47 0 45  
 
PRECIPITATION (IN)  
TODAY 0.15 0.22  
MONTH TO DATE 0.15 0.22  
SINCE OCT 1 6.19 8.64  
SINCE JAN 1 0.15 0.22  
 
DEGREE DAYS  
HEATING  
TODAY 18 20  
MONTH TO DATE 34 32  
SINCE DEC 1 445 582  
SINCE JUL 1 851 1182  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 7:00 AM  
LOWEST 80 1:00 PM  
AVERAGE 89  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 66 2014  
MINIMUM TEMPERATURE (F) 38 26 2009  
 
SUNRISE AND SUNSET  
JANUARY 2 2024.......SUNRISE 7:26 AM PST SUNSET 5:00 PM PST  
JANUARY 3 2024.......SUNRISE 7:26 AM PST SUNSET 5:01 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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