Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 210528
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
128 AM EDT TUE OCT 21 2014


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 20 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         66    235 PM  83    1969  67     -1       63
  MINIMUM         35    548 AM  20    1972  42     -7       42
  AVERAGE         51                        54     -3       53

PRECIPITATION (IN)
  YESTERDAY        T             1.27 1976   0.10  -0.10     0.00
  MONTH TO DATE    2.39                      2.08   0.31     7.48
  SINCE SEP 1      3.32                      6.00  -2.68     9.09
  SINCE JAN 1     39.53                     34.00   5.53    36.94

SNOWFALL (IN)
  YESTERDAY       MM             T    1974   0.0   MM
  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       14                        11      3       12
  MONTH TO DATE  130                       161    -31       80
  SINCE SEP 1    175                       217    -42      147
  SINCE JUL 1    178                       219    -41      147

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    6                        16    -10       47
  SINCE SEP 1    132                       157    -25      180
  SINCE JAN 1    965                      1173   -208     1271
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     4.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     48          1200 PM
 AVERAGE    74

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        86      1979
 MINIMUM TEMPERATURE (F)   42        22      1972


SUNRISE AND SUNSET
OCTOBER 21 2014.......SUNRISE   725 AM EDT   SUNSET   623 PM EDT
OCTOBER 22 2014.......SUNRISE   726 AM EDT   SUNSET   622 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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