277  
CDUS46 KMTR 220832  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
132 AM PDT MON JUL 22 2024  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 21 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 75 1:59 PM 94 2012 78 -3 85  
MINIMUM 55 5:21 AM 48 2001 55 0 55  
AVERAGE 65 67 -2 70  
 
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 0 7  
SINCE JUN 1 37 57  
SINCE JUL 1 0 7  
 
COOLING  
YESTERDAY 0 5  
MONTH TO DATE 121 65  
SINCE JUN 1 177 74  
SINCE JAN 1 187 83    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 10.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 10:00 PM  
LOWEST 57 12:00 PM  
AVERAGE 74  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 106 2006  
MINIMUM TEMPERATURE (F) 55 44 2016  
 
SUNRISE AND SUNSET  
JULY 22 2024..........SUNRISE 6:04 AM PDT SUNSET 8:27 PM PDT  
JULY 23 2024..........SUNRISE 6:05 AM PDT SUNSET 8:26 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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