853  
CDUS46 KMTR 080828  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT WED MAY 08 2024  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 7 2024  
 
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)  
YESTERDAY  
MAXIMUM 72 2:50 PM 93 2007 72 0 66  
MINIMUM 41 5:23 AM 37 2010 46 -5 41  
AVERAGE 57 59 -2 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.69 0.63  
SINCE OCT 1 19.88 29.42  
SINCE JAN 1 13.84 21.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 11  
MONTH TO DATE 62 69  
SINCE MAR 1 693 753  
SINCE JUL 1 2341 2783  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 0 3  
SINCE JAN 1 0 3    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 45 4:00 PM  
AVERAGE 69  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 2001  
2021  
MINIMUM TEMPERATURE (F) 47 36 1999  
 
SUNRISE AND SUNSET  
MAY 8 2024...........SUNRISE 6:04 AM PDT SUNSET 8:08 PM PDT  
MAY 9 2024...........SUNRISE 6:03 AM PDT SUNSET 8:08 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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