529  
CDUS46 KMTR 160041  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
541 PM PDT FRI SEP 15 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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 2:47 PM 95 2004 86 -3 74  
MINIMUM 62 2:03 AM 51 2012 58 4 60  
AVERAGE 73 72 1 67  
 
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 2  
MONTH TO DATE 87 215  
SINCE SEP 1 87 215  
SINCE JAN 1 856 1166    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.0  
 
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 12:00 AM  
LOWEST 41 2:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 91 2004  
MINIMUM TEMPERATURE (F) 58 49 2006  
2012  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2023.....SUNRISE 6:50 AM PDT SUNSET 7:16 PM PDT  
SEPTEMBER 16 2023.....SUNRISE 6:51 AM PDT SUNSET 7:15 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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