Climatological Report (Daily)
Issued by NWS

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350
CDUS46 KMTR 200825
CLICCR


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
125 AM PDT WED SEP 20 2017


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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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         80    239 PM 103    2000  84     -4       99
  MINIMUM         58    642 AM  48    2001  56      2       63
  AVERAGE         69                        70     -1       81

PRECIPITATION (IN)
  YESTERDAY        0.00                                      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        4                                        16
  MONTH TO DATE  230                                       118
  SINCE SEP 1    230                                       118
  SINCE JAN 1   1281                                       985
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     6.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    69           400 AM
 LOWEST     28           200 PM
 AVERAGE    49

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


THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        99      2015
 MINIMUM TEMPERATURE (F)   56        48      2001


SUNRISE AND SUNSET
SEPTEMBER 20 2017.....SUNRISE   655 AM PDT   SUNSET   708 PM PDT
SEPTEMBER 21 2017.....SUNRISE   655 AM PDT   SUNSET   706 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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