Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 140827
CLICCR


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1227 AM PST THU DEC 14 2017


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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR DECEMBER 13 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         63R   306 PM  63    2006  56      7       55
  MINIMUM         33    741 AM  30    2013  40     -7       46
  AVERAGE         48                        48      0       51

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.03
  MONTH TO DATE    0.05                                      1.09
  SINCE OCT 1      2.64                                      4.65
  SINCE JAN 1     21.90                                     15.75

DEGREE DAYS
 HEATING
  YESTERDAY       17                                        14
  MONTH TO DATE  181                                       194
  SINCE DEC 1    181                                       194
  SINCE JUL 1    417                                       486

 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   N (20)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     2.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           900 AM
 LOWEST     43           300 PM
 AVERAGE    68

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


THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   55        64      2006
 MINIMUM TEMPERATURE (F)   40        30      2013


SUNRISE AND SUNSET
DECEMBER 14 2017......SUNRISE   716 AM PST   SUNSET   450 PM PST
DECEMBER 15 2017......SUNRISE   717 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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