983  
CDUS46 KMTR 130052  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
552 PM PDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 86 3:59 PM 100 2006 86 0 86  
MINIMUM 60 5:12 AM 52 2008 58 2 62  
AVERAGE 73 72 1 74  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE T T  
SINCE OCT 1 24.74 11.16  
SINCE JAN 1 15.46 1.34  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 23 0  
SINCE SEP 1 23 0  
SINCE JUL 1 27 2  
 
COOLING  
TODAY 8 9  
MONTH TO DATE 62 207  
SINCE SEP 1 62 207  
SINCE JAN 1 831 1158    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 3:00 AM  
LOWEST 35 4:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 100 2019  
MINIMUM TEMPERATURE (F) 58 50 2005  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 6:47 AM PDT SUNSET 7:21 PM PDT  
SEPTEMBER 13 2023.....SUNRISE 6:48 AM PDT SUNSET 7:19 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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