296  
CDUS46 KMTR 050043  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
443 PM PST SAT FEB 04 2023  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 4 2023  
 
VALID TODAY AS OF 0400 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 57 12:23 PM 75 2018 59 -2 62  
MINIMUM 50 8:44 AM 27 2014 39 11 31  
AVERAGE 54 49 5 47  
 
PRECIPITATION (IN)  
TODAY 0.06 0.00  
MONTH TO DATE 0.45 0.00  
SINCE OCT 1 17.65 15.38  
SINCE JAN 1 9.23 0.24  
 
DEGREE DAYS  
HEATING  
TODAY 11 18  
MONTH TO DATE 44 67  
SINCE DEC 1 1024 1144  
SINCE JUL 1 1624 1704  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 12:00 AM  
LOWEST 72 12:00 PM  
AVERAGE 81  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 81 2011  
MINIMUM TEMPERATURE (F) 39 29 2020  
 
SUNRISE AND SUNSET  
FEBRUARY 4 2023......SUNRISE 7:11 AM PST SUNSET 5:35 PM PST  
FEBRUARY 5 2023......SUNRISE 7:10 AM PST SUNSET 5:36 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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