525  
CDUS46 KMTR 280832  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
132 AM PDT SAT OCT 28 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR OCTOBER 27 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 67 3:31 PM 92 2003 74 -7 74  
MINIMUM 40R 6:33 AM 41 2010 50 -10 45  
AVERAGE 54 62 -8 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.04 0.00  
SINCE OCT 1 0.04 0.00  
SINCE JAN 1 15.51 1.51  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 5  
MONTH TO DATE 24 30  
SINCE SEP 1 27 30  
SINCE JUL 1 31 32  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 108 69  
SINCE SEP 1 239 361  
SINCE JAN 1 1008 1312    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 4.4  
 
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 89 7:00 AM  
LOWEST 32 5:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 92 2003  
MINIMUM TEMPERATURE (F) 50 42 2006  
2019  
 
SUNRISE AND SUNSET  
OCTOBER 28 2023.......SUNRISE 7:30 AM PDT SUNSET 6:14 PM PDT  
OCTOBER 29 2023.......SUNRISE 7:31 AM PDT SUNSET 6:13 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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