432  
CDUS46 KMTR 230842  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1242 AM PST SUN FEB 23 2025  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 22 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 68 3:39 PM 78 2012 62 6 63  
MINIMUM 39 7:33 AM 28 2013 41 -2 40  
2018  
AVERAGE 54 51 3 52  
 
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 11 13  
MONTH TO DATE 343 309  
SINCE DEC 1 1259 1160  
SINCE JUL 1 1799 1566  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 47 3:00 PM  
AVERAGE 72  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 81 2021  
MINIMUM TEMPERATURE (F) 41 27 2018  
 
SUNRISE AND SUNSET  
FEBRUARY 23 2025......SUNRISE 6:49 AM PST SUNSET 5:57 PM PST  
FEBRUARY 24 2025......SUNRISE 6:47 AM PST SUNSET 5:58 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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