690  
CDUS46 KMTR 310835  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1235 AM PST TUE DEC 31 2024  
   
...............................  
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR DECEMBER 30 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1999 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 61 3:23 PM 64 2016 57 4 63  
2022  
MINIMUM 40 7:23 AM 30 2006 40 0 48  
AVERAGE 51 49 2 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.11  
MONTH TO DATE 1.48 2.23  
SINCE OCT 1 2.26 2.96  
SINCE JAN 1 11.59 18.43  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 9  
MONTH TO DATE 383 356  
SINCE DEC 1 383 356  
SINCE JUL 1 722 662  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 1454 1015    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SE (140)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 1.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 37 4:00 PM  
AVERAGE 69  
   
......................................................  
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 65 2019  
MINIMUM TEMPERATURE (F) 40 29 2015  
 
SUNRISE AND SUNSET  
DECEMBER 31 2024......SUNRISE 7:24 AM PST SUNSET 4:59 PM PST  
JANUARY 1 2025.......SUNRISE 7:24 AM PST SUNSET 5:00 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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