055  
CDUS46 KMTR 010841  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
141 AM PDT FRI NOV 01 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 31 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 66 1:41 PM 80 2018 71 -5 76  
MINIMUM 42 11:53 PM 30 2002 43 -1 37  
AVERAGE 54 57 -3 57  
 
PRECIPITATION (IN)  
YESTERDAY T 0.00  
MONTH TO DATE 0.01 0.45  
SINCE OCT 1 0.01 0.45  
SINCE JAN 1 13.85 21.66  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 8  
MONTH TO DATE 115 102  
SINCE SEP 1 141 121  
SINCE JUL 1 154 129  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 85 63  
SINCE SEP 1 143 116  
SINCE JAN 1 444 389    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 52 1:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 84 2020  
MINIMUM TEMPERATURE (F) 43 30 2019  
 
SUNRISE AND SUNSET  
NOVEMBER 1 2024......SUNRISE 7:36 AM PDT SUNSET 6:09 PM PDT  
NOVEMBER 2 2024......SUNRISE 7:37 AM PDT SUNSET 6:08 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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