146  
CDUS46 KMTR 130835  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1235 AM PST MON JAN 13 2025  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 12 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 69 2:27 PM 80 2009 56 13 51  
MINIMUM 37 10:56 PM 26 2012 38 -1 32  
AVERAGE 53 47 6 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.28 0.72  
SINCE OCT 1 8.26 6.76  
SINCE JAN 1 0.28 0.72  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 23  
MONTH TO DATE 167 227  
SINCE DEC 1 552 638  
SINCE JUL 1 1092 1044  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (360)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 7.9  
 
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 72 11:00 PM  
LOWEST 21 3:00 PM  
AVERAGE 47  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 68 2009  
2012  
MINIMUM TEMPERATURE (F) 38 22 2013  
 
SUNRISE AND SUNSET  
JANUARY 13 2025.......SUNRISE 7:25 AM PST SUNSET 5:11 PM PST  
JANUARY 14 2025.......SUNRISE 7:25 AM PST SUNSET 5:12 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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