421  
CDUS46 KMTR 020828  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1228 AM PST SUN MAR 02 2025  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MARCH 1 2025  
 
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)  
YESTERDAY  
MAXIMUM 60 2:05 PM 71 2013 63 -3 56  
MINIMUM 45 2:42 AM 32 2001 41 4 45  
2023  
AVERAGE 53 52 1 51  
 
PRECIPITATION (IN)  
YESTERDAY T 0.40  
MONTH TO DATE T 0.40  
SINCE OCT 1 13.95 16.07  
SINCE JAN 1 5.97 10.03  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 14  
MONTH TO DATE 12 14  
SINCE MAR 1 12 14  
SINCE JUL 1 1867 1662  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 0 0  
SINCE JAN 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 69 2:00 PM  
AVERAGE 85  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 73 2020  
MINIMUM TEMPERATURE (F) 41 30 2007  
 
SUNRISE AND SUNSET  
MARCH 2 2025.........SUNRISE 6:39 AM PST SUNSET 6:04 PM PST  
MARCH 3 2025.........SUNRISE 6:37 AM PST SUNSET 6:05 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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