397  
CDUS46 KMTR 240041  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
441 PM PST THU FEB 23 2023  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 23 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 50 3:39 PM 81 2021 62 -12 56  
MINIMUM 30 6:57 AM 27 2018 41 -11 28  
AVERAGE 40 51 -11 42  
 
PRECIPITATION (IN)  
TODAY 0.03 0.00  
MONTH TO DATE 0.86 0.56  
SINCE OCT 1 18.06 15.94  
SINCE JAN 1 9.64 0.80  
 
DEGREE DAYS  
HEATING  
TODAY 25 23  
MONTH TO DATE 348 341  
SINCE DEC 1 1328 1418  
SINCE JUL 1 1928 1978  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 6:00 AM  
LOWEST 60 11:00 AM  
AVERAGE 73  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 73 2014  
MINIMUM TEMPERATURE (F) 41 22 2018  
 
SUNRISE AND SUNSET  
FEBRUARY 23 2023......SUNRISE 6:49 AM PST SUNSET 5:56 PM PST  
FEBRUARY 24 2023......SUNRISE 6:48 AM PST SUNSET 5:57 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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