255  
CDUS46 KMTR 260041  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
441 PM PST MON DEC 25 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR DECEMBER 25 2023
 
 
VALID TODAY AS OF 0400 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 59 2:53 PM 64 1999 57 2 48  
MINIMUM 39 7:21 AM 27 2011 40 -1 40  
AVERAGE 49 49 0 44  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 1.59 3.14  
SINCE OCT 1 2.32 4.45  
SINCE JAN 1 17.79 5.96  
 
DEGREE DAYS  
HEATING  
TODAY 16 21  
MONTH TO DATE 308 466  
SINCE DEC 1 308 466  
SINCE JUL 1 614 908  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 1015 1312    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 57 1:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 65 2006  
2017  
MINIMUM TEMPERATURE (F) 40 29 2011  
 
SUNRISE AND SUNSET  
DECEMBER 25 2023......SUNRISE 7:22 AM PST SUNSET 4:54 PM PST  
DECEMBER 26 2023......SUNRISE 7:23 AM PST SUNSET 4:55 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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