251  
CDUS46 KMTR 130837  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
137 AM PDT SUN APR 13 2025  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR APRIL 12 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 73 3:36 PM 87 2008 70 3 66  
MINIMUM 49 6:16 AM 40 2022 49 0 52  
AVERAGE 61 60 1 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE T 0.50  
SINCE OCT 1 4.13 11.32  
SINCE JAN 1 1.87 8.19  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 6  
MONTH TO DATE 62 93  
SINCE MAR 1 358 380  
SINCE JUL 1 1902 1784  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 1 2  
SINCE MAR 1 5 2  
SINCE JAN 1 5 2    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 9.9  
 
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 89 4:00 AM  
LOWEST 42 4:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 88 2008  
MINIMUM TEMPERATURE (F) 49 40 2023  
 
SUNRISE AND SUNSET  
APRIL 13 2025.........SUNRISE 6:35 AM PDT SUNSET 7:43 PM PDT  
APRIL 14 2025.........SUNRISE 6:34 AM PDT SUNSET 7:44 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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