177  
CDUS46 KMTR 300835  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
135 AM PDT SUN MAR 30 2025  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MARCH 29 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 61 3:55 PM 80 2018 66 -5 53  
MINIMUM 37 5:12 AM 30 2007 42 -5 43  
AVERAGE 49 54 -5 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.40  
MONTH TO DATE 1.45 2.50  
SINCE OCT 1 15.40 18.17  
SINCE JAN 1 7.42 12.13  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 17  
MONTH TO DATE 380 349  
SINCE MAR 1 380 349  
SINCE JUL 1 2235 1997  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 2 0  
SINCE MAR 1 2 0  
SINCE JAN 1 2 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 7:00 AM  
LOWEST 49 1:00 PM  
AVERAGE 75  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 82 2011  
MINIMUM TEMPERATURE (F) 42 32 2005  
 
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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