690  
CDUS46 KMTR 080834  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1234 AM PST MON JAN 08 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 7 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 55 3:50 PM 69 2012 56 -1 61  
MINIMUM 27 7:42 AM 25 1999 38 -11 51  
AVERAGE 41 47 -6 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.27  
MONTH TO DATE 0.58 2.23  
SINCE OCT 1 6.62 10.65  
SINCE JAN 1 0.58 2.23  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 9  
MONTH TO DATE 125 92  
SINCE DEC 1 536 642  
SINCE JUL 1 942 1242  
 
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 NW (310)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 43 4:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 65 2012  
MINIMUM TEMPERATURE (F) 38 28 2007  
 
SUNRISE AND SUNSET  
JANUARY 8 2024.......SUNRISE 7:26 AM PST SUNSET 5:06 PM PST  
JANUARY 9 2024.......SUNRISE 7:26 AM PST SUNSET 5:07 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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