640  
CDUS46 KMTR 050040  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
540 PM PDT FRI APR 04 2025  
   
...............................  
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR APRIL 4 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 73 3:36 PM 76 2011 69 4 55  
2016  
MINIMUM 42 5:55 AM 38 2009 48 -6 42  
2023  
AVERAGE 58 58 0 49  
 
PRECIPITATION (IN)  
TODAY 0.00 0.46  
MONTH TO DATE T 0.46  
SINCE OCT 1 4.13 11.28  
SINCE JAN 1 1.87 8.15  
 
DEGREE DAYS  
HEATING  
TODAY 7 16  
MONTH TO DATE 39 34  
SINCE MAR 1 335 321  
SINCE JUL 1 1879 1725  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 4 0  
SINCE JAN 1 4 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 5:00 AM  
LOWEST 22 2:00 PM  
AVERAGE 56  
   
......................................................  
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 84 2016  
MINIMUM TEMPERATURE (F) 48 38 2003  
2012  
 
SUNRISE AND SUNSET  
APRIL 4 2025.........SUNRISE 6:48 AM PDT SUNSET 7:34 PM PDT  
APRIL 5 2025.........SUNRISE 6:47 AM PDT SUNSET 7:35 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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