326  
CDUS46 KMTR 170827  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1227 AM PST FRI JAN 17 2025  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR JANUARY 16 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 63 MM 75 2021 57 6 55  
MINIMUM 35 MM 26 2007 41 -6 41  
AVERAGE 49 49 0 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.22  
MONTH TO DATE 0.01 1.29  
SINCE OCT 1 2.27 4.42  
SINCE JAN 1 0.01 1.29  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 17  
MONTH TO DATE 216 249  
SINCE DEC 1 617 618  
SINCE JUL 1 956 924  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 1.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 42 3:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 76 2021  
MINIMUM TEMPERATURE (F) 41 28 2013  
 
SUNRISE AND SUNSET  
JANUARY 17 2025.......SUNRISE 7:22 AM PST SUNSET 5:15 PM PST  
JANUARY 18 2025.......SUNRISE 7:22 AM PST SUNSET 5:16 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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