136  
CDUS46 KMTR 220833  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
133 AM PDT FRI MAR 22 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MARCH 21 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 65 3:05 PM 76 2000 65 0 55  
MINIMUM 47 1:21 AM 31 2008 42 5 47  
AVERAGE 56 53 3 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.35  
MONTH TO DATE 1.24 6.34  
SINCE OCT 1 16.91 26.81  
SINCE JAN 1 10.87 18.39  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 14  
MONTH TO DATE 250 298  
SINCE MAR 1 250 298  
SINCE JUL 1 1898 2328  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 11:00 PM  
LOWEST 58 3:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 87 2022  
MINIMUM TEMPERATURE (F) 42 31 2008  
 
SUNRISE AND SUNSET  
MARCH 22 2024.........SUNRISE 7:09 AM PDT SUNSET 7:24 PM PDT  
MARCH 23 2024.........SUNRISE 7:07 AM PDT SUNSET 7:25 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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