458  
CDUS46 KMTR 060036  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
536 PM PDT FRI MAY 05 2023  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 5 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 65 1:11 PM 82 2011 71 -6 70  
MINIMUM 51 5:05 AM 37 2003 46 5 48  
2020  
AVERAGE 58 59 -1 59  
 
PRECIPITATION (IN)  
TODAY 0.01 0.00  
MONTH TO DATE 0.46 0.00  
SINCE OCT 1 29.25 17.71  
SINCE JAN 1 20.83 2.57  
 
DEGREE DAYS  
HEATING  
TODAY 7 6  
MONTH TO DATE 49 28  
SINCE MAR 1 733 701  
SINCE JUL 1 2763 2773  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 3 7  
SINCE JAN 1 3 7    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 12:00 AM  
LOWEST 58 12:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 90 2007  
MINIMUM TEMPERATURE (F) 46 38 2003  
 
SUNRISE AND SUNSET  
MAY 5 2023...........SUNRISE 6:08 AM PDT SUNSET 8:04 PM PDT  
MAY 6 2023...........SUNRISE 6:07 AM PDT SUNSET 8:05 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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