282  
CDUS46 KMTR 150030  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
530 PM PDT SUN MAY 14 2023  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 14 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 68 MM 95 2008 73 -5 83  
MINIMUM MM MM 39 2017 48 MM 47  
AVERAGE MM 60 MM 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.70 0.00  
SINCE OCT 1 29.49 17.71  
SINCE JAN 1 21.07 2.57  
 
DEGREE DAYS  
HEATING  
TODAY MM 0  
MONTH TO DATE 108 107  
SINCE MAR 1 792 780  
SINCE JUL 1 2822 2852  
 
COOLING  
TODAY MM 0  
MONTH TO DATE 5 0  
SINCE MAR 1 8 7  
SINCE JAN 1 8 7    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST 68 12:00 PM  
AVERAGE MM  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 101 2008  
MINIMUM TEMPERATURE (F) 48 34 1999  
 
SUNRISE AND SUNSET  
MAY 14 2023...........SUNRISE 5:59 AM PDT SUNSET 8:12 PM PDT  
MAY 15 2023...........SUNRISE 5:58 AM PDT SUNSET 8:13 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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