661  
CDUS46 KMTR 150827  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT WED OCT 15 2025  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 14 2025  
 
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)  
YESTERDAY  
MAXIMUM 58 12:09 PM 94 2020 76 -18 71  
MINIMUM 50 7:56 AM 37 2013 46 4 54  
2019  
2021  
AVERAGE 54 61 -7 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 0.00  
MONTH TO DATE 1.16 0.00  
SINCE OCT 1 1.16 0.00  
SINCE JAN 1 9.48 13.84  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 2  
MONTH TO DATE 49 18  
SINCE SEP 1 51 44  
SINCE JUL 1 96 57  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 9 82  
SINCE SEP 1 99 140  
SINCE JAN 1 210 441    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 2.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 7:00 AM  
LOWEST 74 11:00 AM  
AVERAGE 87  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 101 2020  
MINIMUM TEMPERATURE (F) 46 37 2013  
 
SUNRISE AND SUNSET  
OCTOBER 15 2025.......SUNRISE 7:18 AM PDT SUNSET 6:31 PM PDT  
OCTOBER 16 2025.......SUNRISE 7:19 AM PDT SUNSET 6:29 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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