138  
CDUS46 KMTR 250040  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
540 PM PDT TUE OCT 24 2023  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 24 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 72 3:14 PM 93 2019 74 -2 76  
MINIMUM 55 12:48 AM 35 2001 44 11 43  
AVERAGE 64 59 5 60  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.45 0.00  
SINCE OCT 1 0.45 0.00  
SINCE JAN 1 21.66 3.46  
 
DEGREE DAYS  
HEATING  
TODAY 1 5  
MONTH TO DATE 29 67  
SINCE SEP 1 48 72  
SINCE JUL 1 56 87  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 63 10  
SINCE SEP 1 116 176  
SINCE JAN 1 389 487    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 7:00 AM  
LOWEST 61 3:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 2003  
MINIMUM TEMPERATURE (F) 44 36 2006  
 
SUNRISE AND SUNSET  
OCTOBER 24 2023.......SUNRISE 7:27 AM PDT SUNSET 6:19 PM PDT  
OCTOBER 25 2023.......SUNRISE 7:28 AM PDT SUNSET 6:18 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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