275  
CDUS46 KMTR 230841  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
141 AM PDT FRI AUG 23 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 22 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 79 2:51 PM 97 1999 81 -2 83  
MINIMUM 55 5:37 AM 45 2006 54 1 63  
AVERAGE 67 67 0 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.00 0.00  
SINCE OCT 1 19.88 29.51  
SINCE JAN 1 13.84 21.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 7 1  
SINCE JUN 1 49 58  
SINCE JUL 1 12 8  
 
COOLING  
YESTERDAY 2 8  
MONTH TO DATE 52 119  
SINCE JUN 1 266 221  
SINCE JAN 1 276 230    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 14.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 45 3:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 96 2010  
MINIMUM TEMPERATURE (F) 54 45 2005  
 
SUNRISE AND SUNSET  
AUGUST 23 2024........SUNRISE 6:32 AM PDT SUNSET 7:51 PM PDT  
AUGUST 24 2024........SUNRISE 6:32 AM PDT SUNSET 7:49 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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