123  
CDUS46 KMTR 210036  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
436 PM PST THU FEB 20 2025  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 20 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 69R 3:16 PM 69 2023 62 7 58  
MINIMUM 42 7:20 AM 21 2018 40 2 49  
AVERAGE 56 51 5 54  
 
PRECIPITATION (IN)  
TODAY 0.00 0.61  
MONTH TO DATE 5.08 4.65  
SINCE OCT 1 13.95 15.41  
SINCE JAN 1 5.97 9.37  
 
DEGREE DAYS  
HEATING  
TODAY 9 11  
MONTH TO DATE 318 282  
SINCE DEC 1 1234 1133  
SINCE JUL 1 1774 1539  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 36 2:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 71 2020  
MINIMUM TEMPERATURE (F) 41 28 2019  
 
SUNRISE AND SUNSET  
FEBRUARY 20 2025......SUNRISE 6:53 AM PST SUNSET 5:53 PM PST  
FEBRUARY 21 2025......SUNRISE 6:51 AM PST SUNSET 5:55 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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