442  
CDUS46 KMTR 090832  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
132 AM PDT SUN APR 09 2023  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR APRIL 8 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 67 3:48 PM 83 2022 67 0 83  
MINIMUM 47 5:02 AM 29 2001 43 4 45  
AVERAGE 57 55 2 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.05 0.00  
SINCE OCT 1 28.70 16.52  
SINCE JAN 1 20.28 1.38  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 1  
MONTH TO DATE 108 48  
SINCE MAR 1 536 430  
SINCE JUL 1 2566 2502  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 2  
SINCE MAR 1 0 7  
SINCE JAN 1 0 7    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 7:00 AM  
LOWEST 29 4:00 PM  
AVERAGE 58  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 77 2013  
MINIMUM TEMPERATURE (F) 43 30 1999  
2011  
 
SUNRISE AND SUNSET  
APRIL 9 2023.........SUNRISE 6:42 AM PDT SUNSET 7:40 PM PDT  
APRIL 10 2023.........SUNRISE 6:41 AM PDT SUNSET 7:41 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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