895  
CDUS46 KMTR 050835  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
135 AM PDT MON OCT 05 2026  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 4 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 93 5:38 PM 94 2014 78 15 76  
2023  
MINIMUM 55 7:13 AM 35 2009 48 7 46  
AVERAGE 74 63 11 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 0 4  
MONTH TO DATE 0 5  
SINCE SEP 1 45 7  
SINCE JUL 1 81 52  
 
COOLING  
YESTERDAY 9 0  
MONTH TO DATE 23 3  
SINCE SEP 1 80 93  
SINCE JAN 1 254 204    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 2.7  
 
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 79 11:00 PM  
LOWEST 25 4:00 PM  
AVERAGE 52  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 97 2024  
MINIMUM TEMPERATURE (F) 48 36 2009  
 
SUNRISE AND SUNSET  
OCTOBER 5 2026.......SUNRISE 7:09 AM PDT SUNSET 6:46 PM PDT  
OCTOBER 6 2026.......SUNRISE 7:10 AM PDT SUNSET 6:44 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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