029  
CDUS46 KMTR 080026  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
526 PM PDT SUN MAY 07 2023  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 7 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 66 2:54 PM 93 2007 72 -6 71  
MINIMUM 41 4:32 AM 37 2010 46 -5 50  
AVERAGE 54 59 -5 61  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.63 0.00  
SINCE OCT 1 29.42 17.71  
SINCE JAN 1 21.00 2.57  
 
DEGREE DAYS  
HEATING  
TODAY 11 4  
MONTH TO DATE 69 35  
SINCE MAR 1 753 708  
SINCE JUL 1 2783 2780  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 3 7  
SINCE JAN 1 3 7    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 50 3:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 2001  
2021  
MINIMUM TEMPERATURE (F) 47 36 1999  
 
SUNRISE AND SUNSET  
MAY 7 2023...........SUNRISE 6:06 AM PDT SUNSET 8:06 PM PDT  
MAY 8 2023...........SUNRISE 6:05 AM PDT SUNSET 8:07 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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