Climatological Report (Daily)
Issued by NWS

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660
CDUS46 KMTR 170841
CLICCR

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
141 AM PDT THU APR 17 2025

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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR APRIL 16 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         65   1:06 PM  84    2016  71     -6       77
  MINIMUM         54   6:10 AM  40    2013  49      5       49
  AVERAGE         60                        60      0       63

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    T                                         0.78
  SINCE OCT 1      4.13                                     11.60
  SINCE JAN 1      1.87                                      8.47

DEGREE DAYS
 HEATING
  YESTERDAY        5                                         2
  MONTH TO DATE   73                                       127
  SINCE MAR 1    369                                       414
  SINCE JUL 1   1913                                      1818

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    3                                         2
  SINCE MAR 1      7                                         2
  SINCE JAN 1      7                                         2
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    13.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83          12:00 AM
 LOWEST     54          12:00 PM
 AVERAGE    69

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


THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        85      2016
 MINIMUM TEMPERATURE (F)   49        40      2006
                                             2018


SUNRISE AND SUNSET
APRIL 17 2025.........SUNRISE   6:29 AM PDT   SUNSET   7:46 PM PDT
APRIL 18 2025.........SUNRISE   6:28 AM PDT   SUNSET   7:47 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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