CDUS46 KMTR 190831

CLICCR



CLIMATE REPORT 

NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA

131 AM PDT TUE AUG 19 2025



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



...THE CONCORD AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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         84   3:02 PM 106    2020  88     -4       83        

  MINIMUM         58   5:20 AM  54    2002  60     -2       60        

  AVERAGE         71                        74     -3       72     



PRECIPITATION (IN)                                                    

  YESTERDAY        0.00                                      0.00     

  MONTH TO DATE    0.00                                       T       

  SINCE OCT 1      4.30                                     12.46     

  SINCE JAN 1      2.04                                      9.33     



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY        0                                         0        

  MONTH TO DATE    0                                         0        

  SINCE JUN 1      1                                         3        

  SINCE JUL 1      0                                         3        



 COOLING                                                              

  YESTERDAY        6                                         7        

  MONTH TO DATE  163                                       193        

  SINCE JUN 1    492                                       857        

  SINCE JAN 1    603                                       940        

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





WIND (MPH)                                                            

  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (240)       

  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (300)       

  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (300)       

  AVERAGE WIND SPEED    10.5                                        





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    81           5:00 AM                                      

 LOWEST     25           3:00 PM                                      

 AVERAGE    53                                                        



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





THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   88       104      2020                      

 MINIMUM TEMPERATURE (F)   60        54      2006                      

                                             2010                     





SUNRISE AND SUNSET                                                    

AUGUST 19 2025........SUNRISE   6:27 AM PDT   SUNSET   7:55 PM PDT     

AUGUST 20 2025........SUNRISE   6:28 AM PDT   SUNSET   7:54 PM PDT     





-  INDICATES NEGATIVE NUMBERS.

R  INDICATES RECORD WASSET OR TIED.

MM INDICATES DATA IS MISSING.

T  INDICATES TRACE AMOUNT.









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