620  
CDUS46 KMTR 060828  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT FRI OCT 06 2023  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 5 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 96R 3:06 PM 93 2014 78 18 81  
MINIMUM 55 6:29 AM 36 2009 48 7 49  
AVERAGE 76 63 13 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.00 0.00  
SINCE OCT 1 0.00 0.00  
SINCE JAN 1 21.21 3.46  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 6 6  
SINCE SEP 1 25 11  
SINCE JUL 1 33 26  
 
COOLING  
YESTERDAY 11 0  
MONTH TO DATE 19 1  
SINCE SEP 1 72 167  
SINCE JAN 1 345 478    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 3.1  
 
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 75 4:00 AM  
LOWEST 19 4:00 PM  
AVERAGE 47  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 91 2014  
MINIMUM TEMPERATURE (F) 48 36 2009  
 
SUNRISE AND SUNSET  
OCTOBER 6 2023.......SUNRISE 7:09 AM PDT SUNSET 6:45 PM PDT  
OCTOBER 7 2023.......SUNRISE 7:10 AM PDT SUNSET 6:43 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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