647  
CDUS46 KMTR 050826  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT FRI MAY 05 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR MAY 4 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1999 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 63 12:04 PM 90 2013 75 -12 89  
2021  
MINIMUM 46R 4:29 AM 47 2002 51 -5 49  
2019  
AVERAGE 55 63 -8 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.37 0.00  
SINCE OCT 1 24.65 11.15  
SINCE JAN 1 15.37 1.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 0  
MONTH TO DATE 40 6  
SINCE MAR 1 664 380  
SINCE JUL 1 2571 2049  
 
COOLING  
YESTERDAY 0 4  
MONTH TO DATE 0 4  
SINCE MAR 1 22 18  
SINCE JAN 1 22 18    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 2:00 AM  
LOWEST 57 2:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 93 2021  
MINIMUM TEMPERATURE (F) 51 45 2007  
2012  
 
SUNRISE AND SUNSET  
MAY 5 2023...........SUNRISE 6:08 AM PDT SUNSET 8:03 PM PDT  
MAY 6 2023...........SUNRISE 6:07 AM PDT SUNSET 8:04 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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