Climatological Report (Daily)
Issued by NWS

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557
CDUS46 KMTR 180031
CLICCR

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
431 PM PST MON NOV 17 2025

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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR NOVEMBER 17 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         60  12:18 AM  77    2019  65     -5       63
  MINIMUM         53   9:19 AM  33    2000  45      8       40
  AVERAGE         57                        55      2       52

PRECIPITATION (IN)
  TODAY            0.26                                      0.01
  MONTH TO DATE    0.96                                      0.15
  SINCE OCT 1      1.44                                      0.15
  SINCE JAN 1      3.51                                      9.48

DEGREE DAYS
 HEATING
  TODAY            8                                        13
  MONTH TO DATE   48                                       148
  SINCE SEP 1    108                                       178
  SINCE JUL 1    108                                       181

 COOLING
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE SEP 1    284                                       406
  SINCE JAN 1   1035                                      1454
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    10.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HEAVY RAIN
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           2:00 AM
 LOWEST     60          12:00 AM
 AVERAGE    77

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


THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        78      2019
 MINIMUM TEMPERATURE (F)   45        34      2000


SUNRISE AND SUNSET
NOVEMBER 17 2025......SUNRISE   6:51 AM PST   SUNSET   4:55 PM PST
NOVEMBER 18 2025......SUNRISE   6:52 AM PST   SUNSET   4:54 PM PST


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




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