045  
CDUS46 KMTR 180031  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
531 PM PDT THU APR 17 2025  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR APRIL 17 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 68 3:10 PM 85 2016 71 -3 78  
MINIMUM 52 6:52 AM 40 2006 49 3 52  
2018  
AVERAGE 60 60 0 65  
 
PRECIPITATION (IN)  
TODAY T 0.00  
MONTH TO DATE T 0.78  
SINCE OCT 1 4.13 11.60  
SINCE JAN 1 1.87 8.47  
 
DEGREE DAYS  
HEATING  
TODAY 5 0  
MONTH TO DATE 78 127  
SINCE MAR 1 374 414  
SINCE JUL 1 1918 1818  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 3 2  
SINCE MAR 1 7 2  
SINCE JAN 1 7 2    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 AM  
LOWEST 56 3:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 2021  
MINIMUM TEMPERATURE (F) 49 40 2006  
 
SUNRISE AND SUNSET  
APRIL 17 2025.........SUNRISE 6:29 AM PDT SUNSET 7:46 PM PDT  
APRIL 18 2025.........SUNRISE 6:28 AM PDT SUNSET 7:47 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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