Climatological Report (Daily)
Issued by NWS

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547
CDUS46 KMTR 100828
CLICCR

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT FRI OCT 10 2025

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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR OCTOBER 9 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         72   1:13 PM  89    1999  81     -9       85
                                      2015
                                      2016
  MINIMUM         55   6:47 AM  46    2007  54      1       59
  AVERAGE         64                        67     -3       72

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.06                                      0.00
  SINCE OCT 1      0.06                                      0.00
  SINCE JAN 1      2.13                                      9.33

DEGREE DAYS
 HEATING
  YESTERDAY        1                                         0
  MONTH TO DATE    1                                         0
  SINCE SEP 1      1                                         1
  SINCE JUL 1      1                                         4

 COOLING
  YESTERDAY        0                                         7
  MONTH TO DATE   27                                       142
  SINCE SEP 1    276                                       365
  SINCE JAN 1   1027                                      1413
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   W (260)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     4.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87          11:00 PM
 LOWEST     47          12:00 PM
 AVERAGE    67

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


THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        89      1999
 MINIMUM TEMPERATURE (F)   54        46      2019


SUNRISE AND SUNSET
OCTOBER 10 2025.......SUNRISE   7:12 AM PDT   SUNSET   6:37 PM PDT
OCTOBER 11 2025.......SUNRISE   7:13 AM PDT   SUNSET   6:36 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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