Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 120826
CLICCR


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1225 AM PST TUE DEC 12 2017


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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 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   402 PM  67    2014  56     11       54
  MINIMUM         35    702 AM  27    2013  40     -5       44
  AVERAGE         51                        48      3       49

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.05                                      1.06
  SINCE OCT 1      2.64                                      4.62
  SINCE JAN 1     21.90                                     15.72

DEGREE DAYS
 HEATING
  YESTERDAY       14                                        16
  MONTH TO DATE  149                                       165
  SINCE DEC 1    149                                       165
  SINCE JUL 1    385                                       457

 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  NE (30)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     2.5


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           400 AM
 LOWEST     29           200 PM
 AVERAGE    61

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


THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        63      2008
 MINIMUM TEMPERATURE (F)   40        28      2013


SUNRISE AND SUNSET
DECEMBER 12 2017......SUNRISE   715 AM PST   SUNSET   449 PM PST
DECEMBER 13 2017......SUNRISE   716 AM PST   SUNSET   449 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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