410  
CDUS46 KMTR 090826  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT FRI MAY 09 2025  
   
...............................  
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR MAY 8 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 86 3:42 PM 96 2001 76 10 80  
2020  
MINIMUM 50 4:20 AM 45 2015 52 -2 46  
AVERAGE 68 64 4 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.01 0.86  
SINCE OCT 1 4.19 12.46  
SINCE JAN 1 1.93 9.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2  
MONTH TO DATE 11 35  
SINCE MAR 1 438 479  
SINCE JUL 1 1982 1883  
 
COOLING  
YESTERDAY 3 0  
MONTH TO DATE 10 2  
SINCE MAR 1 21 13  
SINCE JAN 1 21 13    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.9  
 
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 93 1:00 AM  
LOWEST 28 9:00 PM  
AVERAGE 61  
   
......................................................  
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 91 2001  
MINIMUM TEMPERATURE (F) 52 43 2003  
 
SUNRISE AND SUNSET  
MAY 9 2025...........SUNRISE 6:03 AM PDT SUNSET 8:07 PM PDT  
MAY 10 2025...........SUNRISE 6:02 AM PDT SUNSET 8:08 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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