288  
CDUS46 KMTR 210838  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1238 AM PST THU NOV 21 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 20 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 57 11:27 PM 74 2005 63 -6 69  
MINIMUM 50 1:36 PM 29 2007 40 10 44  
AVERAGE 54 51 3 57  
 
PRECIPITATION (IN)  
YESTERDAY 1.09 0.00  
MONTH TO DATE 1.83 1.13  
SINCE OCT 1 1.84 1.58  
SINCE JAN 1 15.68 22.79  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 8  
MONTH TO DATE 251 138  
SINCE SEP 1 392 259  
SINCE JUL 1 405 267  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE SEP 1 143 116  
SINCE JAN 1 444 389    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 PM  
LOWEST 28 2:00 AM  
AVERAGE 61  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 73 2005  
MINIMUM TEMPERATURE (F) 39 27 2003  
 
SUNRISE AND SUNSET  
NOVEMBER 21 2024......SUNRISE 6:57 AM PST SUNSET 4:53 PM PST  
NOVEMBER 22 2024......SUNRISE 6:58 AM PST SUNSET 4:52 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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