267  
CDUS46 KMTR 240842  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1242 AM PST SAT JAN 24 2026  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 23 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 51 7:34 PM 73 2014 57 -6 65  
MINIMUM 39 12:55 AM 26 2007 39 0 35  
AVERAGE 45 48 -3 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 1.91 0.28  
SINCE OCT 1 9.34 8.26  
SINCE JAN 1 1.91 0.28  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 15  
MONTH TO DATE 356 370  
SINCE DEC 1 861 755  
SINCE JUL 1 1336 1295  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 89 12:00 PM  
AVERAGE 95  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 67 2014  
MINIMUM TEMPERATURE (F) 39 26 2007  
 
SUNRISE AND SUNSET  
JANUARY 24 2026.......SUNRISE 7:20 AM PST SUNSET 5:23 PM PST  
JANUARY 25 2026.......SUNRISE 7:19 AM PST SUNSET 5:24 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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