Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 210845
CLICCR


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT THU SEP 21 2017


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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 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         75    240 PM  99    2015  83     -8       89
  MINIMUM         60   1159 PM  48    2001  56      4       62
  AVERAGE         68                        70     -2       76

PRECIPITATION (IN)
  YESTERDAY        T                                         0.00
  MONTH TO DATE    0.03                                      0.00
  SINCE OCT 1     25.01                                     14.68
  SINCE JAN 1     19.26                                     11.10

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                         2
  SINCE SEP 1      0                                         2
  SINCE JUL 1      0                                         2

 COOLING
  YESTERDAY        3                                        11
  MONTH TO DATE  233                                       129
  SINCE SEP 1    233                                       129
  SINCE JAN 1   1284                                       996
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    11.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           500 AM
 LOWEST     52          1200 AM
 AVERAGE    65

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


THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       102      2015
 MINIMUM TEMPERATURE (F)   56        49      2004


SUNRISE AND SUNSET
SEPTEMBER 21 2017.....SUNRISE   655 AM PDT   SUNSET   706 PM PDT
SEPTEMBER 22 2017.....SUNRISE   656 AM PDT   SUNSET   705 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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