009  
CDUS46 KMTR 120826  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT MON JUN 12 2023  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JUNE 11 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 100 2019 78 -9 92  
MINIMUM 55 1:41 AM 43 2000 51 4 57  
AVERAGE 62 65 -3 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 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 17 2  
SINCE JUN 1 17 2  
SINCE JUL 1 2893 2882  
 
COOLING  
YESTERDAY 0 10  
MONTH TO DATE 0 41  
SINCE JUN 1 0 41  
SINCE JAN 1 9 74    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 13.5  
 
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 84 12:00 AM  
LOWEST 61 1:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 94 2008  
MINIMUM TEMPERATURE (F) 51 43 2009  
2017  
 
SUNRISE AND SUNSET  
JUNE 12 2023..........SUNRISE 5:45 AM PDT SUNSET 8:33 PM PDT  
JUNE 13 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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