545  
CDUS46 KMTR 200045  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
445 PM PST WED FEB 19 2025  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 19 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 3:59 PM 67 2022 62 0 62  
MINIMUM 42 7:00 AM 30 2012 40 2 50  
2018  
AVERAGE 52 51 1 56  
 
PRECIPITATION (IN)  
TODAY 0.03 0.14  
MONTH TO DATE 5.08 4.04  
SINCE OCT 1 13.95 14.80  
SINCE JAN 1 5.97 8.76  
 
DEGREE DAYS  
HEATING  
TODAY 13 9  
MONTH TO DATE 309 271  
SINCE DEC 1 1225 1122  
SINCE JUL 1 1765 1528  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 7:00 AM  
LOWEST 83 3:00 PM  
AVERAGE 92  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 69 2023  
MINIMUM TEMPERATURE (F) 40 21 2018  
 
SUNRISE AND SUNSET  
FEBRUARY 19 2025......SUNRISE 6:54 AM PST SUNSET 5:52 PM PST  
FEBRUARY 20 2025......SUNRISE 6:53 AM PST SUNSET 5:53 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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