684  
CDUS46 KMTR 020829  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1229 AM PST FRI FEB 02 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 1 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 59 1:43 PM 75 2005 59 0 58  
MINIMUM 47 11:59 PM 25 2014 39 8 32  
AVERAGE 53 49 4 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.34 0.00  
MONTH TO DATE 0.34 0.00  
SINCE OCT 1 11.10 17.20  
SINCE JAN 1 5.06 8.78  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 20  
MONTH TO DATE 12 20  
SINCE DEC 1 863 1000  
SINCE JUL 1 1269 1600  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1:00 AM  
LOWEST 69 1:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 72 2018  
MINIMUM TEMPERATURE (F) 39 29 1999  
 
SUNRISE AND SUNSET  
FEBRUARY 2 2024......SUNRISE 7:13 AM PST SUNSET 5:33 PM PST  
FEBRUARY 3 2024......SUNRISE 7:12 AM PST SUNSET 5:34 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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