826  
CDUS46 KMTR 230029  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
429 PM PST FRI DEC 22 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR DECEMBER 22 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 67 3:12 PM 70 1999 57 10 50  
MINIMUM 45 7:42 AM 29 2007 40 5 40  
AVERAGE 56 49 7 45  
 
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 9 20  
MONTH TO DATE 261 413  
SINCE DEC 1 261 413  
SINCE JUL 1 567 855  
 
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 SW (240)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 2:00 AM  
LOWEST 56 3:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 67 2014  
MINIMUM TEMPERATURE (F) 40 29 2011  
 
SUNRISE AND SUNSET  
DECEMBER 22 2023......SUNRISE 7:21 AM PST SUNSET 4:53 PM PST  
DECEMBER 23 2023......SUNRISE 7:21 AM PST SUNSET 4:53 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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