969  
CDUS46 KMTR 280030  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
530 PM PDT WED SEP 27 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 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 83 2:40 PM 100 2009 83 0 80  
2010  
MINIMUM 55 5:14 AM 48 2013 56 -1 52  
AVERAGE 69 70 -1 66  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE T 0.17  
SINCE OCT 1 24.74 11.33  
SINCE JAN 1 15.46 1.51  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 26 0  
SINCE SEP 1 26 0  
SINCE JUL 1 30 2  
 
COOLING  
TODAY 4 1  
MONTH TO DATE 121 269  
SINCE SEP 1 121 269  
SINCE JAN 1 890 1220    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 7.4  
 
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 75 2:00 AM  
LOWEST 26 12:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 103 2010  
MINIMUM TEMPERATURE (F) 56 49 2013  
 
SUNRISE AND SUNSET  
SEPTEMBER 27 2023.....SUNRISE 7:00 AM PDT SUNSET 6:57 PM PDT  
SEPTEMBER 28 2023.....SUNRISE 7:01 AM PDT SUNSET 6:56 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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