Climatological Report (Daily)
Issued by NWS

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870
CDUS46 KMTR 160827
CLICCR

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT THU OCT 16 2025

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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR OCTOBER 15 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         64   2:34 PM  93    2020  79    -15       84
  MINIMUM         51  11:59 PM  45    2013  53     -2       59
                                      2019
  AVERAGE         58                        66     -8       72

PRECIPITATION (IN)
  YESTERDAY        T                                         0.00
  MONTH TO DATE    0.46                                      0.00
  SINCE OCT 1      0.46                                      0.00
  SINCE JAN 1      2.53                                      9.33

DEGREE DAYS
 HEATING
  YESTERDAY        7                                         0
  MONTH TO DATE   31                                         0
  SINCE SEP 1     31                                         1
  SINCE JUL 1     31                                         4

 COOLING
  YESTERDAY        0                                         7
  MONTH TO DATE   27                                       175
  SINCE SEP 1    276                                       398
  SINCE JAN 1   1027                                      1446
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   0   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     2.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          12:00 AM
 LOWEST     63           3:00 PM
 AVERAGE    80

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


THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        95      2020
 MINIMUM TEMPERATURE (F)   53        47      2013
                                             2019


SUNRISE AND SUNSET
OCTOBER 16 2025.......SUNRISE   7:18 AM PDT   SUNSET   6:29 PM PDT
OCTOBER 17 2025.......SUNRISE   7:19 AM PDT   SUNSET   6:27 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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