000  
CDUS46 KMTR 040827  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1227 AM PST TUE MAR 04 2025  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MARCH 3 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 3:16 PM 76 2020 63 -3 55  
MINIMUM 35 7:07 AM 32 2012 41 -6 37  
2018  
AVERAGE 48 52 -4 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.31  
MONTH TO DATE T 0.88  
SINCE OCT 1 13.95 16.55  
SINCE JAN 1 5.97 10.51  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 19  
MONTH TO DATE 42 51  
SINCE MAR 1 42 51  
SINCE JUL 1 1897 1699  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 0 0  
SINCE JAN 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.0  
 
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 93 5:00 AM  
LOWEST 51 12:00 PM  
AVERAGE 72  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 78 2020  
MINIMUM TEMPERATURE (F) 41 29 2018  
 
SUNRISE AND SUNSET  
MARCH 4 2025.........SUNRISE 6:36 AM PST SUNSET 6:06 PM PST  
MARCH 5 2025.........SUNRISE 6:35 AM PST SUNSET 6:07 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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