641  
CDUS46 KMTR 110030  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
530 PM PDT MON APR 10 2023  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR APRIL 10 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 73 2:45 PM 82 2013 67 6 72  
MINIMUM 46 5:51 AM 33 2008 43 3 40  
AVERAGE 60 55 5 56  
 
PRECIPITATION (IN)  
TODAY 0.00 T  
MONTH TO DATE 0.05 T  
SINCE OCT 1 28.70 16.52  
SINCE JAN 1 20.28 1.38  
 
DEGREE DAYS  
HEATING  
TODAY 5 9  
MONTH TO DATE 113 65  
SINCE MAR 1 541 447  
SINCE JUL 1 2571 2519  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 2  
SINCE MAR 1 0 7  
SINCE JAN 1 0 7    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 5:00 AM  
LOWEST 53 1:00 PM  
AVERAGE 72  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 84 2008  
MINIMUM TEMPERATURE (F) 43 33 2009  
 
SUNRISE AND SUNSET  
APRIL 10 2023.........SUNRISE 6:41 AM PDT SUNSET 7:41 PM PDT  
APRIL 11 2023.........SUNRISE 6:39 AM PDT SUNSET 7:42 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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