707  
CDUS46 KMTR 270044  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
544 PM PDT THU SEP 26 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 26 2024
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 78 3:14 PM 99 2009 79 -1 82  
2016  
MINIMUM 55 7:16 AM 43 2013 50 5 55  
2018  
AVERAGE 67 64 3 69  
 
PRECIPITATION (IN)  
TODAY 0.00 0.04  
MONTH TO DATE T 0.05  
SINCE OCT 1 19.88 29.56  
SINCE JAN 1 13.84 21.14  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 20 19  
SINCE SEP 1 20 19  
SINCE JUL 1 33 27  
 
COOLING  
TODAY 2 4  
MONTH TO DATE 49 50  
SINCE SEP 1 49 50  
SINCE JAN 1 350 323    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 4:00 AM  
LOWEST 50 3:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 101 2020  
MINIMUM TEMPERATURE (F) 49 45 2005  
2018  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2024.....SUNRISE 7:01 AM PDT SUNSET 6:59 PM PDT  
SEPTEMBER 27 2024.....SUNRISE 7:02 AM PDT SUNSET 6:57 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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