268  
CDUS46 KMTR 070831  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1231 AM PST TUE NOV 07 2023  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 6 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 11:58 AM 81 2012 69 0 66  
MINIMUM 50 11:43 PM 34 2018 42 8 43  
AVERAGE 60 55 5 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 0.09  
MONTH TO DATE 0.17 0.23  
SINCE OCT 1 0.62 0.23  
SINCE JAN 1 21.83 3.69  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 10  
MONTH TO DATE 22 75  
SINCE SEP 1 143 213  
SINCE JUL 1 151 228  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE SEP 1 116 176  
SINCE JAN 1 389 487    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 11:00 PM  
LOWEST 59 11:00 AM  
AVERAGE 78  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 77 2006  
2018  
MINIMUM TEMPERATURE (F) 42 32 2011  
 
SUNRISE AND SUNSET  
NOVEMBER 7 2023......SUNRISE 6:42 AM PST SUNSET 5:04 PM PST  
NOVEMBER 8 2023......SUNRISE 6:43 AM PST SUNSET 5:03 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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