029  
CDUS46 KMTR 010027  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
527 PM PDT SAT AUG 31 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 31 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 3:59 PM 97 2017 81 -3 75  
MINIMUM 55 6:17 AM 42 2008 53 2 60  
AVERAGE 67 67 0 68  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE T 0.00  
SINCE OCT 1 19.88 29.51  
SINCE JAN 1 13.84 21.09  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 8 1  
SINCE JUN 1 50 58  
SINCE JUL 1 13 8  
 
COOLING  
TODAY 2 3  
MONTH TO DATE 76 162  
SINCE JUN 1 290 264  
SINCE JAN 1 300 273    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 52 2:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 106 2017  
MINIMUM TEMPERATURE (F) 53 45 1999  
 
SUNRISE AND SUNSET  
AUGUST 31 2024........SUNRISE 6:38 AM PDT SUNSET 7:39 PM PDT  
SEPTEMBER 1 2024.....SUNRISE 6:39 AM PDT SUNSET 7:38 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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