342  
CDUS46 KMTR 090825  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1225 AM PST SUN MAR 09 2025  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MARCH 8 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 65 4:06 PM 80 2004 64 1 65  
MINIMUM 34 6:19 AM 28 2002 41 -7 38  
AVERAGE 50 52 -2 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE T 0.88  
SINCE OCT 1 13.95 16.55  
SINCE JAN 1 5.97 10.51  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 13  
MONTH TO DATE 114 115  
SINCE MAR 1 114 115  
SINCE JUL 1 1969 1763  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1:00 AM  
LOWEST 48 3:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 79 2004  
MINIMUM TEMPERATURE (F) 42 31 2012  
 
SUNRISE AND SUNSET  
MARCH 9 2025.........SUNRISE 7:29 AM PDT SUNSET 7:11 PM PDT  
MARCH 10 2025.........SUNRISE 7:27 AM PDT SUNSET 7:12 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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