355  
CDUS46 KMTR 270832  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1232 AM PST THU FEB 27 2025  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 26 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 71 4:08 PM 74 2020 63 8 64  
MINIMUM 37 4:28 AM 26 2011 41 -4 43  
2012  
AVERAGE 54 52 2 54  
 
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 11  
MONTH TO DATE 382 350  
SINCE DEC 1 1298 1201  
SINCE JUL 1 1838 1607  
 
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 E (80)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 4.1  
 
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 97 5:00 AM  
LOWEST 36 3:00 PM  
AVERAGE 67  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 77 2020  
MINIMUM TEMPERATURE (F) 41 25 2012  
 
SUNRISE AND SUNSET  
FEBRUARY 27 2025......SUNRISE 6:43 AM PST SUNSET 6:01 PM PST  
FEBRUARY 28 2025......SUNRISE 6:42 AM PST SUNSET 6:02 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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