Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 150826
CLICCR


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST FRI DEC 15 2017


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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1999 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         67R   344 PM  64    2006  55     12       61
  MINIMUM         35    736 AM  30    2013  40     -5       48
  AVERAGE         51                        48      3       55

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.01
  MONTH TO DATE    0.05                                      1.10
  SINCE OCT 1      2.64                                      4.66
  SINCE JAN 1     21.90                                     15.76

DEGREE DAYS
 HEATING
  YESTERDAY       14                                        10
  MONTH TO DATE  195                                       204
  SINCE DEC 1    195                                       204
  SINCE JUL 1    431                                       496

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                         0
  SINCE DEC 1      0                                         0
  SINCE JAN 1   1424                                      1093
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   N (10)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     2.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           600 AM
 LOWEST     34           300 PM
 AVERAGE    63

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


THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   55        64      2016
 MINIMUM TEMPERATURE (F)   40        29      2013


SUNRISE AND SUNSET
DECEMBER 15 2017......SUNRISE   717 AM PST   SUNSET   450 PM PST
DECEMBER 16 2017......SUNRISE   718 AM PST   SUNSET   450 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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