925  
CDUS46 KMTR 270037  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
537 PM PDT THU OCT 26 2023  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 26 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 67 3:27 PM 91 2003 73 -6 71  
MINIMUM 37R 6:54 AM 37 2010 44 -7 37  
2022  
AVERAGE 52 58 -6 54  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.45 0.00  
SINCE OCT 1 0.45 0.00  
SINCE JAN 1 21.66 3.46  
 
DEGREE DAYS  
HEATING  
TODAY 13 11  
MONTH TO DATE 52 86  
SINCE SEP 1 71 91  
SINCE JUL 1 79 106  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 63 10  
SINCE SEP 1 116 176  
SINCE JAN 1 389 487    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 7:00 AM  
LOWEST 33 3:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 90 2003  
MINIMUM TEMPERATURE (F) 44 32 2011  
 
SUNRISE AND SUNSET  
OCTOBER 26 2023.......SUNRISE 7:29 AM PDT SUNSET 6:17 PM PDT  
OCTOBER 27 2023.......SUNRISE 7:30 AM PDT SUNSET 6:16 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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