957  
CDUS46 KMTR 070037  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
537 PM PDT MON OCT 06 2025  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 6 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 87 MM 99 2024 78 9 99  
MINIMUM 48 MM 36 2009 48 0 59  
AVERAGE 68 63 5 79  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.08 0.00  
SINCE OCT 1 0.08 0.00  
SINCE JAN 1 8.40 13.84  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 5 0  
SINCE SEP 1 7 26  
SINCE JUL 1 52 39  
 
COOLING  
TODAY 3 14  
MONTH TO DATE 6 58  
SINCE SEP 1 96 116  
SINCE JAN 1 207 417    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 7:00 AM  
LOWEST 25 3:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 99 2024  
MINIMUM TEMPERATURE (F) 48 37 2009  
 
SUNRISE AND SUNSET  
OCTOBER 6 2025.......SUNRISE 7:10 AM PDT SUNSET 6:44 PM PDT  
OCTOBER 7 2025.......SUNRISE 7:11 AM PDT SUNSET 6:42 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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