521  
CDUS46 KMTR 240036  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
536 PM PDT WED AUG 23 2023  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 23 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 95 3:45 PM 96 2010 81 14 87  
MINIMUM 59 4:10 AM 45 2005 54 5 60  
AVERAGE 77 67 10 74  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.00 0.01  
SINCE OCT 1 29.51 17.99  
SINCE JAN 1 21.09 2.85  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 1 0  
SINCE JUN 1 58 33  
SINCE JUL 1 8 15  
 
COOLING  
TODAY 12 9  
MONTH TO DATE 131 124  
SINCE JUN 1 233 262  
SINCE JAN 1 242 295    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 AM  
LOWEST 30 4:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 104 2010  
MINIMUM TEMPERATURE (F) 54 47 2005  
 
SUNRISE AND SUNSET  
AUGUST 23 2023........SUNRISE 6:31 AM PDT SUNSET 7:52 PM PDT  
AUGUST 24 2023........SUNRISE 6:32 AM PDT SUNSET 7:51 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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