498  
CDUS46 KMTR 070828  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT MON AUG 07 2023  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 6 2023
 
 
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)  
YESTERDAY  
MAXIMUM 91R 1:24 PM 86 2004 79 12 78  
2018  
MINIMUM 60 5:46 AM 44 2002 55 5 60  
AVERAGE 76 67 9 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T  
MONTH TO DATE 0.00 0.01  
SINCE OCT 1 29.51 17.99  
SINCE JAN 1 21.09 2.85  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 1 0  
SINCE JUN 1 58 33  
SINCE JUL 1 8 15  
 
COOLING  
YESTERDAY 11 4  
MONTH TO DATE 23 31  
SINCE JUN 1 125 169  
SINCE JAN 1 134 202    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 56 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 105 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.8  
 
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 84 3:00 AM  
LOWEST 35 1:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 90 2002  
MINIMUM TEMPERATURE (F) 55 46 2009  
 
SUNRISE AND SUNSET  
AUGUST 7 2023........SUNRISE 6:17 AM PDT SUNSET 8:12 PM PDT  
AUGUST 8 2023........SUNRISE 6:18 AM PDT SUNSET 8:11 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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