Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 130827
CLICCR


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1227 AM PST WED DEC 13 2017


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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 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         66R   329 PM  63    2008  56     10       54
  MINIMUM         34    736 AM  28    2013  40     -6       45
  AVERAGE         50                        48      2       50

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       15                                        15
  MONTH TO DATE  164                                       180
  SINCE DEC 1    164                                       180
  SINCE JUL 1    400                                       472

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


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  NE (40)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     2.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           500 AM
 LOWEST     37           400 PM
 AVERAGE    60

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


THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        63      2006
 MINIMUM TEMPERATURE (F)   40        30      2013


SUNRISE AND SUNSET
DECEMBER 13 2017......SUNRISE   716 AM PST   SUNSET   449 PM PST
DECEMBER 14 2017......SUNRISE   716 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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