321  
CDUS46 KMTR 040836  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1236 AM PST SAT JAN 04 2025  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR JANUARY 3 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1999 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 3:17 PM 66 2014 57 3 57  
MINIMUM 45 11:59 PM 28 2013 41 4 43  
AVERAGE 53 49 4 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.11  
MONTH TO DATE 0.01 0.45  
SINCE OCT 1 2.27 3.58  
SINCE JAN 1 0.01 0.45  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 15  
MONTH TO DATE 44 40  
SINCE DEC 1 445 409  
SINCE JUL 1 784 715  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 3:00 AM  
LOWEST 72 4:00 PM  
AVERAGE 86  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 68 2014  
MINIMUM TEMPERATURE (F) 41 28 2009  
 
SUNRISE AND SUNSET  
JANUARY 4 2025.......SUNRISE 7:24 AM PST SUNSET 5:02 PM PST  
JANUARY 5 2025.......SUNRISE 7:24 AM PST SUNSET 5:03 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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