382  
CDUS46 KMTR 050850  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
150 AM PDT TUE SEP 05 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 4 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 MM MM 103 2022 87 MM 103  
MINIMUM MM MM 52 1999 59 MM 62  
2012  
AVERAGE MM 73 MM 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE T 0.00  
SINCE OCT 1 24.74 11.16  
SINCE JAN 1 15.46 1.34  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 0  
MONTH TO DATE MM 0  
SINCE SEP 1 MM 0  
SINCE JUL 1 4 2  
 
COOLING  
YESTERDAY MM 18  
MONTH TO DATE 11 59  
SINCE SEP 1 11 59  
SINCE JAN 1 780 1010    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 41 12:00 AM  
LOWEST 41 12:00 AM  
AVERAGE 41  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 112 2022  
MINIMUM TEMPERATURE (F) 59 52 1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 5 2023.....SUNRISE 6:41 AM PDT SUNSET 7:32 PM PDT  
SEPTEMBER 6 2023.....SUNRISE 6:42 AM PDT SUNSET 7:30 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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