300  
CDUS46 KMTR 160829  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1229 AM PST MON DEC 16 2024  
   
...............................  
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 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 51 2:47 PM 64 2016 58 -7 62  
MINIMUM 38 7:04 AM 29 2013 41 -3 40  
AVERAGE 45 49 -4 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.95 0.25  
SINCE OCT 1 1.73 0.98  
SINCE JAN 1 11.06 16.45  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 14  
MONTH TO DATE 188 191  
SINCE DEC 1 188 191  
SINCE JUL 1 527 497  
 
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 E (70)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 83 3:00 PM  
AVERAGE 92  
   
......................................................  
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 67 2017  
MINIMUM TEMPERATURE (F) 41 31 1999  
2022  
 
SUNRISE AND SUNSET  
DECEMBER 16 2024......SUNRISE 7:18 AM PST SUNSET 4:50 PM PST  
DECEMBER 17 2024......SUNRISE 7:19 AM PST SUNSET 4:51 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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