Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 240531
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT TUE OCT 24 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 23 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         78   1246 PM  85    1978  66     12       69
                                      1947
                                      1901
  MINIMUM         60    506 AM  33    1969  48     12       45
                                      1944
                                      1930
  AVERAGE         69                        57     12       57

PRECIPITATION (IN)
  YESTERDAY        0.03          3.31 1878   0.10  -0.07     0.00
  MONTH TO DATE    0.86                      2.51  -1.65     0.87
  SINCE SEP 1      2.29                      6.23  -3.94     3.37
  SINCE JAN 1     31.94                     32.63  -0.69    28.30

SNOWFALL (IN)
  YESTERDAY        0.0           T    1889   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1      0.0                       0.0    0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         8     -8        8
  MONTH TO DATE   31                       128    -97       55
  SINCE SEP 1     37                       152   -115       56
  SINCE JUL 1     37                       152   -115       56

 COOLING
  YESTERDAY        4                         0      4        0
  MONTH TO DATE   90                        33     57       60
  SINCE SEP 1    331                       235     96      398
  SINCE JAN 1   1822                      1546    276     1984
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED    10.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     60           200 PM
 AVERAGE    80

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        84      2012
                                             2001
 MINIMUM TEMPERATURE (F)   48        29      1969
                                             1895


SUNRISE AND SUNSET
OCTOBER 24 2017.......SUNRISE   727 AM EDT   SUNSET   617 PM EDT
OCTOBER 25 2017.......SUNRISE   728 AM EDT   SUNSET   616 PM EDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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