804  
CDUS46 KMTR 310828  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT SAT AUG 31 2024  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 30 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 77 3:40 PM 96 2023 81 -4 96  
MINIMUM 52 6:09 AM 44 2010 53 -1 54  
AVERAGE 65 67 -2 75  
 
PRECIPITATION (IN)  
YESTERDAY 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  
YESTERDAY 0 0  
MONTH TO DATE 8 1  
SINCE JUN 1 50 58  
SINCE JUL 1 13 8  
 
COOLING  
YESTERDAY 0 10  
MONTH TO DATE 74 159  
SINCE JUN 1 288 261  
SINCE JAN 1 298 270    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 7:00 AM  
LOWEST 52 3:00 PM  
AVERAGE 73  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 97 2017  
MINIMUM TEMPERATURE (F) 53 42 2008  
 
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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