613  
CDUS46 KMTR 020030  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
530 PM PDT FRI SEP 01 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 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 74 2:19 PM 111 2017 87 -13 100  
MINIMUM 61 6:07 AM 52 2008 59 2 58  
AVERAGE 68 73 -5 79  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.00 0.00  
SINCE OCT 1 24.74 11.16  
SINCE JAN 1 15.46 1.34  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE SEP 1 0 0  
SINCE JUL 1 4 2  
 
COOLING  
TODAY 3 14  
MONTH TO DATE 3 14  
SINCE SEP 1 3 14  
SINCE JAN 1 772 965    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 18 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 18.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 2:00 AM  
LOWEST 57 3:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 110 2017  
MINIMUM TEMPERATURE (F) 59 50 2012  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2023.....SUNRISE 6:38 AM PDT SUNSET 7:38 PM PDT  
SEPTEMBER 2 2023.....SUNRISE 6:39 AM PDT SUNSET 7:36 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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