163  
CDUS46 KMTR 150837  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
137 AM PDT TUE APR 15 2025  
   
...............................  
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR APRIL 14 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 84R 2:31 PM 82 2020 71 13 62  
MINIMUM 50 6:00 AM 38 2005 49 1 45  
AVERAGE 67 60 7 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.03  
MONTH TO DATE T 0.78  
SINCE OCT 1 4.13 11.60  
SINCE JAN 1 1.87 8.47  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 11  
MONTH TO DATE 62 118  
SINCE MAR 1 358 405  
SINCE JUL 1 1902 1809  
 
COOLING  
YESTERDAY 2 0  
MONTH TO DATE 3 2  
SINCE MAR 1 7 2  
SINCE JAN 1 7 2    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.3  
 
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 86 5:00 AM  
LOWEST 24 2:00 PM  
AVERAGE 55  
   
......................................................  
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 84 2020  
MINIMUM TEMPERATURE (F) 49 40 2009  
 
SUNRISE AND SUNSET  
APRIL 15 2025.........SUNRISE 6:32 AM PDT SUNSET 7:45 PM PDT  
APRIL 16 2025.........SUNRISE 6:31 AM PDT SUNSET 7:46 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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