CDUS46 KMTR 180937
CLICCR

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
237 AM PDT MON MAY 18 2026

...................................

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR MAY 17 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1999 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         77   4:34 PM 101    2009  78     -1       75        
  MINIMUM         53   6:36 AM  49    2011  53      0       54        
  AVERAGE         65                        65      0       65     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00                                      0.00     
  MONTH TO DATE    0.07                                      0.12     
  SINCE OCT 1      6.51                                      4.30     
  SINCE JAN 1      3.37                                      2.04     

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                                         0        
  MONTH TO DATE   21                                        20        
  SINCE MAR 1    240                                       447        
  SINCE JUL 1   1728                                      1991        

 COOLING                                                              
  YESTERDAY        0                                         0        
  MONTH TO DATE   29                                        34        
  SINCE MAR 1     84                                        45        
  SINCE JAN 1     85                                        45        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  NW (330)       
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     N (360)       
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION     N (340)       
  AVERAGE WIND SPEED    10.9                                        


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    74           6:00 AM                                      
 LOWEST     15           2:00 PM                                      
 AVERAGE    45                                                        

..........................................................


THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   78        95      2016                      
 MINIMUM TEMPERATURE (F)   53        48      2003                      


SUNRISE AND SUNSET                                                    
MAY 18 2026...........SUNRISE   5:55 AM PDT   SUNSET   8:14 PM PDT     
MAY 19 2026...........SUNRISE   5:55 AM PDT   SUNSET   8:15 PM PDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.$$