807  
CDUS46 KMTR 080828  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT MON JUL 08 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 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 79 12:56 PM 100 2017 79 0 74  
MINIMUM 59 11:59 PM 44 2000 54 5 54  
AVERAGE 69 67 2 64  
 
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 1  
MONTH TO DATE 0 2  
SINCE JUN 1 37 52  
SINCE JUL 1 0 2  
 
COOLING  
YESTERDAY 4 0  
MONTH TO DATE 63 17  
SINCE JUN 1 119 26  
SINCE JAN 1 129 35    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 54 1:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 100 2008  
MINIMUM TEMPERATURE (F) 54 44 2009  
 
SUNRISE AND SUNSET  
JULY 8 2024..........SUNRISE 5:54 AM PDT SUNSET 8:35 PM PDT  
JULY 9 2024..........SUNRISE 5:54 AM PDT SUNSET 8:34 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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