880  
CDUS46 KMTR 100834  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
134 AM PDT TUE OCT 10 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR OCTOBER 9 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 72 2:17 PM 89 1999 81 -9 81  
2015  
2016  
MINIMUM 57 1:44 AM 46 2007 54 3 54  
AVERAGE 65 67 -2 68  
 
PRECIPITATION (IN)  
YESTERDAY T 0.00  
MONTH TO DATE T 0.00  
SINCE OCT 1 T 0.00  
SINCE JAN 1 15.47 1.51  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE SEP 1 3 0  
SINCE JUL 1 7 2  
 
COOLING  
YESTERDAY 0 3  
MONTH TO DATE 64 43  
SINCE SEP 1 195 335  
SINCE JAN 1 964 1286    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 10:00 PM  
LOWEST 57 2:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 89 1999  
MINIMUM TEMPERATURE (F) 54 46 2019  
 
SUNRISE AND SUNSET  
OCTOBER 10 2023.......SUNRISE 7:12 AM PDT SUNSET 6:38 PM PDT  
OCTOBER 11 2023.......SUNRISE 7:13 AM PDT SUNSET 6:36 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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