490  
CDUS46 KMTR 280836  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
136 AM PDT WED JUN 28 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR JUNE 27 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1999 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 3:21 PM 104 2003 87 -9 93  
MINIMUM 54 5:25 AM 53 2012 58 -4 55  
AVERAGE 66 72 -6 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE T T  
SINCE OCT 1 24.74 11.15  
SINCE JAN 1 15.46 1.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 10 2  
SINCE JUN 1 10 2  
SINCE JUL 1 2648 2108  
 
COOLING  
YESTERDAY 1 9  
MONTH TO DATE 47 239  
SINCE JUN 1 47 239  
SINCE JAN 1 109 345    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 15.9  
 
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 86 12:00 AM  
LOWEST 40 3:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 106 2009  
MINIMUM TEMPERATURE (F) 58 55 2008  
 
SUNRISE AND SUNSET  
JUNE 28 2023..........SUNRISE 5:48 AM PDT SUNSET 8:35 PM PDT  
JUNE 29 2023..........SUNRISE 5:48 AM PDT SUNSET 8:35 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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