289  
CDUS46 KMTR 160840  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1240 AM PST THU NOV 16 2023  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 15 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 2:12 PM 84 2005 65 4 67  
2010  
MINIMUM 53 9:52 PM 28 2009 40 13 31  
AVERAGE 61 53 8 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.00  
MONTH TO DATE 0.22 0.97  
SINCE OCT 1 0.67 0.97  
SINCE JAN 1 21.88 4.43  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 16  
MONTH TO DATE 102 218  
SINCE SEP 1 223 356  
SINCE JUL 1 231 371  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE SEP 1 116 176  
SINCE JAN 1 389 487    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 10:00 PM  
LOWEST 36 2:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 77 2008  
MINIMUM TEMPERATURE (F) 40 31 2009  
2022  
 
SUNRISE AND SUNSET  
NOVEMBER 16 2023......SUNRISE 6:51 AM PST SUNSET 4:56 PM PST  
NOVEMBER 17 2023......SUNRISE 6:52 AM PST SUNSET 4:55 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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