365  
CDUS46 KMTR 100841  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
141 AM PDT SAT OCT 10 2026  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 9 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 3:27 PM 89 2015 77 -8 71  
MINIMUM 53 6:53 AM 37 2008 47 6 50  
AVERAGE 61 62 -1 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.00 0.08  
SINCE OCT 1 0.00 0.08  
SINCE JAN 1 9.70 8.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 4  
MONTH TO DATE 4 12  
SINCE SEP 1 49 14  
SINCE JUL 1 85 59  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 51 9  
SINCE SEP 1 108 99  
SINCE JAN 1 282 210    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 9.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 8:00 AM  
LOWEST 68 2:00 PM  
AVERAGE 81  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 92 1999  
MINIMUM TEMPERATURE (F) 47 39 2005  
 
SUNRISE AND SUNSET  
OCTOBER 10 2026.......SUNRISE 7:13 AM PDT SUNSET 6:38 PM PDT  
OCTOBER 11 2026.......SUNRISE 7:14 AM PDT SUNSET 6:37 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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