906  
CDUS46 KMTR 110836  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
136 AM PDT SUN JUN 11 2023  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JUNE 10 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 2:40 PM 98 2019 78 -9 97  
MINIMUM 54 6:42 AM 39 2018 51 3 60  
AVERAGE 62 64 -2 79  
 
PRECIPITATION (IN)  
YESTERDAY T 0.00  
MONTH TO DATE 0.01 0.27  
SINCE OCT 1 29.50 17.98  
SINCE JAN 1 21.08 2.84  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 0  
MONTH TO DATE 14 2  
SINCE JUN 1 14 2  
SINCE JUL 1 2890 2882  
 
COOLING  
YESTERDAY 0 14  
MONTH TO DATE 0 31  
SINCE JUN 1 0 31  
SINCE JAN 1 9 64    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 8:00 AM  
LOWEST 61 2:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 100 2019  
MINIMUM TEMPERATURE (F) 51 43 2000  
 
SUNRISE AND SUNSET  
JUNE 11 2023..........SUNRISE 5:45 AM PDT SUNSET 8:32 PM PDT  
JUNE 12 2023..........SUNRISE 5:45 AM PDT SUNSET 8:33 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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