109  
CDUS46 KMTR 230833  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
133 AM PDT TUE APR 23 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR APRIL 22 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 71 11:06 AM 87 2013 69 2 76  
MINIMUM 49 5:42 AM 35 2004 44 5 53  
AVERAGE 60 57 3 65  
 
PRECIPITATION (IN)  
YESTERDAY T 0.00  
MONTH TO DATE 0.96 0.14  
SINCE OCT 1 19.19 28.79  
SINCE JAN 1 13.15 20.37  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 0  
MONTH TO DATE 200 228  
SINCE MAR 1 571 656  
SINCE JUL 1 2219 2686  
 
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 26 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1:00 AM  
LOWEST 63 11:00 AM  
AVERAGE 78  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 85 2019  
MINIMUM TEMPERATURE (F) 44 34 2008  
 
SUNRISE AND SUNSET  
APRIL 23 2024.........SUNRISE 6:22 AM PDT SUNSET 7:54 PM PDT  
APRIL 24 2024.........SUNRISE 6:20 AM PDT SUNSET 7:54 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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