279  
CDUS46 KMTR 250839  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1239 AM PST SAT JAN 25 2025  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 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 61 2:35 PM 67 2014 58 3 56  
MINIMUM 33 7:37 AM 26 2007 39 -6 51  
AVERAGE 47 48 -1 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.25  
MONTH TO DATE 0.28 3.19  
SINCE OCT 1 8.26 9.23  
SINCE JAN 1 0.28 3.19  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 11  
MONTH TO DATE 388 381  
SINCE DEC 1 773 792  
SINCE JUL 1 1313 1198  
 
COOLING  
YESTERDAY 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 NE (50)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 3.2  
 
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 11:00 PM  
LOWEST 51 1:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 70 2014  
MINIMUM TEMPERATURE (F) 39 27 2007  
 
SUNRISE AND SUNSET  
JANUARY 25 2025.......SUNRISE 7:19 AM PST SUNSET 5:24 PM PST  
JANUARY 26 2025.......SUNRISE 7:18 AM PST SUNSET 5:26 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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