889  
CDUS46 KMTR 190039  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
439 PM PST TUE FEB 18 2025  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 18 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 62 3:32 PM 67 2022 62 0 64  
MINIMUM 38 4:49 AM 30 2023 40 -2 43  
AVERAGE 50 51 -1 54  
 
PRECIPITATION (IN)  
TODAY 0.00 0.57  
MONTH TO DATE 5.05 3.90  
SINCE OCT 1 13.92 14.66  
SINCE JAN 1 5.94 8.62  
 
DEGREE DAYS  
HEATING  
TODAY 15 11  
MONTH TO DATE 296 262  
SINCE DEC 1 1212 1113  
SINCE JUL 1 1752 1519  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 1.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 53 2:00 PM  
AVERAGE 77  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 67 2022  
MINIMUM TEMPERATURE (F) 40 30 2012  
2018  
 
SUNRISE AND SUNSET  
FEBRUARY 18 2025......SUNRISE 6:55 AM PST SUNSET 5:51 PM PST  
FEBRUARY 19 2025......SUNRISE 6:54 AM PST SUNSET 5:52 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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