518  
CDUS46 KMTR 240831  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
131 AM PDT SAT JUN 24 2023  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JUNE 23 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 71 2:32 PM 96 2018 79 -8 87  
MINIMUM 55 11:59 PM 44 2003 53 2 57  
AVERAGE 63 66 -3 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.02 0.27  
SINCE OCT 1 29.51 17.98  
SINCE JAN 1 21.09 2.84  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 0  
MONTH TO DATE 41 13  
SINCE JUN 1 41 13  
SINCE JUL 1 2917 2893  
 
COOLING  
YESTERDAY 0 7  
MONTH TO DATE 3 78  
SINCE JUN 1 3 78  
SINCE JAN 1 12 111    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 11.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 11:00 PM  
LOWEST 51 2:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 88 2003  
MINIMUM TEMPERATURE (F) 53 44 2007  
 
SUNRISE AND SUNSET  
JUNE 24 2023..........SUNRISE 5:47 AM PDT SUNSET 8:36 PM PDT  
JUNE 25 2023..........SUNRISE 5:47 AM PDT SUNSET 8:36 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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