830  
CDUS46 KMTR 210841  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
141 AM PDT THU MAR 21 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MARCH 20 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 68 2:45 PM 83 2004 65 3 58  
MINIMUM 39 6:35 AM 32 2021 42 -3 46  
AVERAGE 54 53 1 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 1.24 4.99  
SINCE OCT 1 16.91 25.46  
SINCE JAN 1 10.87 17.04  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 13  
MONTH TO DATE 241 284  
SINCE MAR 1 241 284  
SINCE JUL 1 1889 2314  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 8:00 AM  
LOWEST 51 3:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 76 2000  
MINIMUM TEMPERATURE (F) 42 31 2008  
 
SUNRISE AND SUNSET  
MARCH 21 2024.........SUNRISE 7:10 AM PDT SUNSET 7:23 PM PDT  
MARCH 22 2024.........SUNRISE 7:09 AM PDT SUNSET 7:24 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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