Climatological Report (Daily)
Issued by NWS

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512
CDUS46 KMTR 040026
CLICCR

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
526 PM PDT WED SEP 03 2025

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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 2025...
VALID TODAY AS OF 0500 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         90   3:05 PM 106    2017  87      3      100
  MINIMUM         60   6:02 AM  52    1999  59      1       56
  AVERAGE         75                        73      2       78

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    T                                         0.00
  SINCE OCT 1      4.30                                     12.46
  SINCE JAN 1      2.04                                      9.33

DEGREE DAYS
 HEATING
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE SEP 1      0                                         0
  SINCE JUL 1      0                                         3

 COOLING
  TODAY           10                                        13
  MONTH TO DATE   38                                        27
  SINCE SEP 1     38                                        27
  SINCE JAN 1    789                                      1075
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     8.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           3:00 AM
 LOWEST     22           3:00 PM
 AVERAGE    55

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


THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87       103      2022
 MINIMUM TEMPERATURE (F)   59        52      2012


SUNRISE AND SUNSET
SEPTEMBER  3 2025.....SUNRISE   6:40 AM PDT   SUNSET   7:34 PM PDT
SEPTEMBER  4 2025.....SUNRISE   6:41 AM PDT   SUNSET   7:32 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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