641  
CDUS46 KMTR 100832  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1232 AM PST FRI NOV 10 2023  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 9 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 67 3:19 PM 80 2016 68 -1 62  
MINIMUM 33 6:04 AM 31 2000 41 -8 36  
2018  
AVERAGE 50 54 -4 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.18 0.96  
SINCE OCT 1 0.63 0.96  
SINCE JAN 1 21.84 4.42  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 16  
MONTH TO DATE 57 123  
SINCE SEP 1 178 261  
SINCE JUL 1 186 276  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE SEP 1 116 176  
SINCE JAN 1 389 487    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 3.4  
 
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 85 4:00 AM  
LOWEST 35 3:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 80 2016  
MINIMUM TEMPERATURE (F) 41 28 2000  
 
SUNRISE AND SUNSET  
NOVEMBER 10 2023......SUNRISE 6:45 AM PST SUNSET 5:01 PM PST  
NOVEMBER 11 2023......SUNRISE 6:46 AM PST SUNSET 5:00 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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