293  
CDUS46 KMTR 270825  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1225 AM PST WED DEC 27 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR DECEMBER 26 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 57 2:12 PM 65 2006 57 0 48  
2017  
MINIMUM 43 7:03 AM 29 2011 40 3 42  
AVERAGE 50 49 1 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.23  
MONTH TO DATE 1.59 3.37  
SINCE OCT 1 2.32 4.68  
SINCE JAN 1 17.79 6.19  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 20  
MONTH TO DATE 323 486  
SINCE DEC 1 323 486  
SINCE JUL 1 629 928  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 1015 1312    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 10:00 PM  
LOWEST 69 1:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 64 2017  
MINIMUM TEMPERATURE (F) 40 28 2015  
 
SUNRISE AND SUNSET  
DECEMBER 27 2023......SUNRISE 7:23 AM PST SUNSET 4:56 PM PST  
DECEMBER 28 2023......SUNRISE 7:23 AM PST SUNSET 4:56 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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