388  
CDUS46 KMTR 190825  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
125 AM PDT FRI MAY 19 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR MAY 18 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 80 3:36 PM 95 2016 78 2 94  
MINIMUM 53 5:19 AM 48 2003 53 0 53  
AVERAGE 67 66 1 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.46 T  
SINCE OCT 1 24.74 11.15  
SINCE JAN 1 15.46 1.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 85 58  
SINCE MAR 1 709 432  
SINCE JUL 1 2616 2101  
 
COOLING  
YESTERDAY 2 9  
MONTH TO DATE 30 29  
SINCE MAR 1 52 43  
SINCE JAN 1 52 43    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 11.2  
 
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 3:00 AM  
LOWEST 38 3:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 95 2001  
MINIMUM TEMPERATURE (F) 53 48 2011  
 
SUNRISE AND SUNSET  
MAY 19 2023...........SUNRISE 5:55 AM PDT SUNSET 8:15 PM PDT  
MAY 20 2023...........SUNRISE 5:54 AM PDT SUNSET 8:16 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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