898  
CDUS46 KMTR 190829  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
129 AM PDT SAT OCT 19 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 3:01 PM 91 2020 75 7 89  
MINIMUM 54 3:27 AM 37 1998 46 8 49  
2017  
AVERAGE 68 60 8 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE T T  
SINCE OCT 1 T T  
SINCE JAN 1 13.84 21.21  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 25 18  
SINCE SEP 1 51 37  
SINCE JUL 1 64 45  
 
COOLING  
YESTERDAY 3 4  
MONTH TO DATE 85 54  
SINCE SEP 1 143 107  
SINCE JAN 1 444 380    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 12.7  
 
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 18 11:00 PM  
LOWEST 6 3:00 PM  
AVERAGE 12  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 95 2023  
MINIMUM TEMPERATURE (F) 45 37 2021  
 
SUNRISE AND SUNSET  
OCTOBER 19 2024.......SUNRISE 7:22 AM PDT SUNSET 6:25 PM PDT  
OCTOBER 20 2024.......SUNRISE 7:23 AM PDT SUNSET 6:24 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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