490  
CDUS46 KMTR 030833  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1233 AM PST SAT FEB 03 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 2 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 57 2:48 PM 72 2018 59 -2 MM  
MINIMUM 39 11:07 PM 29 1999 39 0 MM  
AVERAGE 48 49 -1 MM  
 
PRECIPITATION (IN)  
YESTERDAY 0.15 0.00  
MONTH TO DATE 0.49 0.00  
SINCE OCT 1 11.25 17.20  
SINCE JAN 1 5.21 8.78  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 MM  
MONTH TO DATE 29 20  
SINCE DEC 1 880 1000  
SINCE JUL 1 1286 1600  
 
COOLING  
YESTERDAY 0 MM  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 3:00 AM  
LOWEST 59 3:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 73 2018  
MINIMUM TEMPERATURE (F) 39 27 2020  
 
SUNRISE AND SUNSET  
FEBRUARY 3 2024......SUNRISE 7:12 AM PST SUNSET 5:34 PM PST  
FEBRUARY 4 2024......SUNRISE 7:12 AM PST SUNSET 5:35 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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