284  
CDUS46 KMTR 060038  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
438 PM PST MON DEC 05 2022  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 5 2022  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 60 2:04 PM 66 2020 59 1 56  
MINIMUM 44 12:28 AM 16 2013 38 6 39  
AVERAGE 52 48 4 48  
 
PRECIPITATION (IN)  
TODAY 0.12 0.00  
MONTH TO DATE 1.19 0.00  
SINCE OCT 1 2.16 7.93  
SINCE JAN 1 5.62 13.27  
 
DEGREE DAYS  
HEATING  
TODAY 13 17  
MONTH TO DATE 90 68  
SINCE DEC 1 90 68  
SINCE JUL 1 690 628  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 487 251    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 60 2:00 PM  
AVERAGE 77  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 66 2006  
MINIMUM TEMPERATURE (F) 38 20 2013  
 
SUNRISE AND SUNSET  
DECEMBER 5 2022......SUNRISE 7:11 AM PST SUNSET 4:49 PM PST  
DECEMBER 6 2022......SUNRISE 7:12 AM PST SUNSET 4:49 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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