323  
CDUS46 KMTR 110027  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
527 PM PDT FRI MAY 10 2024  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 10 2024  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 84 3:00 PM 94 2021 72 12 66  
MINIMUM 48 4:19 AM 32 2022 47 1 45  
AVERAGE 66 59 7 56  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.69 0.70  
SINCE OCT 1 19.88 29.49  
SINCE JAN 1 13.84 21.07  
 
DEGREE DAYS  
HEATING  
TODAY 0 9  
MONTH TO DATE 65 95  
SINCE MAR 1 696 779  
SINCE JUL 1 2344 2809  
 
COOLING  
TODAY 1 0  
MONTH TO DATE 5 0  
SINCE MAR 1 5 3  
SINCE JAN 1 5 3    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 4.1  
 
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 89 4:00 AM  
LOWEST 37 3:00 PM  
AVERAGE 63  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 84 2018  
MINIMUM TEMPERATURE (F) 47 32 2022  
 
SUNRISE AND SUNSET  
MAY 10 2024...........SUNRISE 6:02 AM PDT SUNSET 8:09 PM PDT  
MAY 11 2024...........SUNRISE 6:01 AM PDT SUNSET 8:10 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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