896  
CDUS46 KMTR 020037  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
537 PM PDT THU OCT 01 2026  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 1 2026  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 81 4:21 PM 99 2024 79 2 71  
MINIMUM 52 3:50 AM 38 2006 49 3 61  
2019  
AVERAGE 67 64 3 66  
 
PRECIPITATION (IN)  
TODAY 0.00 0.04  
MONTH TO DATE 0.00 0.04  
SINCE OCT 1 0.00 0.04  
SINCE JAN 1 9.70 8.36  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE SEP 1 45 2  
SINCE JUL 1 81 47  
 
COOLING  
TODAY 2 1  
MONTH TO DATE 2 1  
SINCE SEP 1 59 91  
SINCE JAN 1 233 202    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 39 2:00 PM  
AVERAGE 70  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 100 2024  
MINIMUM TEMPERATURE (F) 49 36 2019  
 
SUNRISE AND SUNSET  
OCTOBER 1 2026.......SUNRISE 7:05 AM PDT SUNSET 6:52 PM PDT  
OCTOBER 2 2026.......SUNRISE 7:06 AM PDT SUNSET 6:50 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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