504  
CDUS46 KMTR 260828  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1228 AM PST FRI JAN 26 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 25 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 61 3:09 PM 70 2014 58 3 66  
MINIMUM 42 5:58 AM 27 2007 39 3 35  
AVERAGE 52 48 4 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 3.19 8.78  
SINCE OCT 1 9.23 17.20  
SINCE JAN 1 3.19 8.78  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 14  
MONTH TO DATE 394 345  
SINCE DEC 1 805 895  
SINCE JUL 1 1211 1495  
 
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 W (250)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 60 3:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 69 2014  
MINIMUM TEMPERATURE (F) 39 25 2021  
 
SUNRISE AND SUNSET  
JANUARY 26 2024.......SUNRISE 7:19 AM PST SUNSET 5:25 PM PST  
JANUARY 27 2024.......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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