952  
CDUS46 KMTR 310035  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
535 PM PDT SUN MAR 30 2025  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MARCH 30 2025
 
 
VALID TODAY AS OF 0500 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 64 1:03 PM 82 2011 66 -2 64  
MINIMUM 48 5:41 AM 32 2005 42 6 43  
AVERAGE 56 54 2 54  
 
PRECIPITATION (IN)  
TODAY 0.15 0.06  
MONTH TO DATE 1.60 2.56  
SINCE OCT 1 15.55 18.23  
SINCE JAN 1 7.57 12.19  
 
DEGREE DAYS  
HEATING  
TODAY 9 11  
MONTH TO DATE 389 360  
SINCE MAR 1 389 360  
SINCE JUL 1 2244 2008  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 2 0  
SINCE MAR 1 2 0  
SINCE JAN 1 2 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 12.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 9:00 AM  
LOWEST 68 1:00 AM  
AVERAGE 81  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 82 2021  
MINIMUM TEMPERATURE (F) 42 28 2008  
 
SUNRISE AND SUNSET  
MARCH 30 2025.........SUNRISE 6:57 AM PDT SUNSET 7:31 PM PDT  
MARCH 31 2025.........SUNRISE 6:55 AM PDT SUNSET 7:32 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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