552  
CDUS46 KMTR 180834  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1234 AM PST TUE FEB 18 2025  
   
...............................  
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR FEBRUARY 17 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 61 2:32 PM 74 2007 63 -2 59  
2020  
MINIMUM 43 4:01 AM 37 2008 44 -1 50  
AVERAGE 52 53 -1 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.36  
MONTH TO DATE 1.47 2.10  
SINCE OCT 1 3.79 8.08  
SINCE JAN 1 1.53 4.95  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 10  
MONTH TO DATE 241 220  
SINCE DEC 1 1116 978  
SINCE JUL 1 1455 1284  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 4:00 AM  
LOWEST 57 2:00 PM  
AVERAGE 79  
   
......................................................  
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 68 2020  
2024  
MINIMUM TEMPERATURE (F) 44 33 2006  
2019  
2023  
 
SUNRISE AND SUNSET  
FEBRUARY 18 2025......SUNRISE 6:54 AM PST SUNSET 5:51 PM PST  
FEBRUARY 19 2025......SUNRISE 6:53 AM PST SUNSET 5:52 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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