065  
CDUS46 KMTR 150828  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1228 AM PST MON JAN 15 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 14 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 60 1:45 PM 68 2014 57 3 59  
MINIMUM 39 7:56 AM 23 2007 38 1 47  
AVERAGE 50 47 3 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.64  
MONTH TO DATE 1.40 7.47  
SINCE OCT 1 7.44 15.89  
SINCE JAN 1 1.40 7.47  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 12  
MONTH TO DATE 257 164  
SINCE DEC 1 668 714  
SINCE JUL 1 1074 1314  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (110)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1:00 AM  
LOWEST 70 3:00 PM  
AVERAGE 84  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 70 2014  
MINIMUM TEMPERATURE (F) 38 18 2007  
 
SUNRISE AND SUNSET  
JANUARY 15 2024.......SUNRISE 7:24 AM PST SUNSET 5:13 PM PST  
JANUARY 16 2024.......SUNRISE 7:24 AM PST SUNSET 5:14 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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