486  
CDUS46 KMTR 020043  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
443 PM PST SUN JAN 01 2023  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 1 2023  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 65R 1:54 PM 64 2018 56 9 51  
MINIMUM 40 4:31 AM 25 2014 38 2 29  
2016  
AVERAGE 53 47 6 40  
 
PRECIPITATION (IN)  
TODAY 0.02 0.00  
MONTH TO DATE 0.02 0.00  
SINCE OCT 1 8.44 15.14  
SINCE JAN 1 0.02 0.00  
 
DEGREE DAYS  
HEATING  
TODAY 12 25  
MONTH TO DATE 12 25  
SINCE DEC 1 562 591  
SINCE JUL 1 1162 1151  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 2:00 AM  
LOWEST 28 3:00 PM  
AVERAGE 61  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 67 2014  
MINIMUM TEMPERATURE (F) 38 23 2000  
 
SUNRISE AND SUNSET  
JANUARY 1 2023.......SUNRISE 7:26 AM PST SUNSET 5:00 PM PST  
JANUARY 2 2023.......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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