965  
CDUS46 KMTR 250842  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1242 AM PST TUE FEB 25 2025  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 24 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 64 2:08 PM 73 2014 62 2 72  
MINIMUM 48 11:59 PM 22 2018 41 7 44  
AVERAGE 56 52 4 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 5.08 4.67  
SINCE OCT 1 13.95 15.43  
SINCE JAN 1 5.97 9.39  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 7  
MONTH TO DATE 361 327  
SINCE DEC 1 1277 1178  
SINCE JUL 1 1817 1584  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 78 12:00 PM  
AVERAGE 89  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 73 2020  
MINIMUM TEMPERATURE (F) 41 26 2022  
 
SUNRISE AND SUNSET  
FEBRUARY 25 2025......SUNRISE 6:46 AM PST SUNSET 5:59 PM PST  
FEBRUARY 26 2025......SUNRISE 6:45 AM PST SUNSET 6:00 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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