068  
CDUS46 KMTR 210827  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT FRI JUN 21 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JUNE 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 2:32 PM 103 2008 79 -11 76  
MINIMUM 50 1:26 AM 42 2010 52 -2 42  
2023  
AVERAGE 59 66 -7 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.00 0.02  
SINCE OCT 1 19.88 29.51  
SINCE JAN 1 13.84 21.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 6  
MONTH TO DATE 35 31  
SINCE JUN 1 35 31  
SINCE JUL 1 2467 2907  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 35 3  
SINCE JUN 1 35 3  
SINCE JAN 1 45 12    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 59 1:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 103 2022  
MINIMUM TEMPERATURE (F) 53 44 2019  
 
SUNRISE AND SUNSET  
JUNE 21 2024..........SUNRISE 5:46 AM PDT SUNSET 8:36 PM PDT  
JUNE 22 2024..........SUNRISE 5:47 AM PDT SUNSET 8:36 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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