409  
CDUS46 KMTR 280838  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
138 AM PDT THU MAR 28 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MARCH 27 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 80 2009 65 -8 62  
MINIMUM 44 2:18 AM 30 2020 42 2 33  
AVERAGE 51 54 -3 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.40 0.00  
MONTH TO DATE 2.07 6.49  
SINCE OCT 1 17.74 26.96  
SINCE JAN 1 11.70 18.54  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 17  
MONTH TO DATE 319 363  
SINCE MAR 1 319 363  
SINCE JUL 1 1967 2393  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 9:00 PM  
LOWEST 77 11:00 AM  
AVERAGE 87  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 78 2017  
MINIMUM TEMPERATURE (F) 42 32 1999  
 
SUNRISE AND SUNSET  
MARCH 28 2024.........SUNRISE 6:59 AM PDT SUNSET 7:29 PM PDT  
MARCH 29 2024.........SUNRISE 6:58 AM PDT SUNSET 7:30 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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