582  
CDUS46 KMTR 190027  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
527 PM PDT FRI APR 18 2025  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR APRIL 18 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 74 2:44 PM 90 2021 72 2 80  
MINIMUM 50 2:09 AM 40 2006 49 1 52  
AVERAGE 62 60 2 66  
 
PRECIPITATION (IN)  
TODAY 0.00 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 3 0  
MONTH TO DATE 81 127  
SINCE MAR 1 377 414  
SINCE JUL 1 1921 1818  
 
COOLING  
TODAY 0 1  
MONTH TO DATE 3 3  
SINCE MAR 1 7 3  
SINCE JAN 1 7 3    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 7:00 AM  
LOWEST 43 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 87 2009  
MINIMUM TEMPERATURE (F) 49 40 2002  
 
SUNRISE AND SUNSET  
APRIL 18 2025.........SUNRISE 6:28 AM PDT SUNSET 7:47 PM PDT  
APRIL 19 2025.........SUNRISE 6:27 AM PDT SUNSET 7:48 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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