Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 270524
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT FRI APR 27 2018


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 26 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         71    502 PM  92    2009  70      1       73
                                      1990
  MINIMUM         44    512 AM  31    1967  45     -1       56
  AVERAGE         58                        58      0       65

PRECIPITATION (IN)
  YESTERDAY        0.00          0.93 2004   0.12  -0.12      T
  MONTH TO DATE    2.71                      3.00  -0.29     3.04
  SINCE MAR 1      4.50                      6.38  -1.88     7.16
  SINCE JAN 1     10.89                     11.80  -0.91    10.60

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2002   0.0    0.0
                                      2001
  MONTH TO DATE    T                         0.3   -0.3
  SINCE JUL 1     11.9                      22.0  -10.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        7                         8     -1        0
  MONTH TO DATE  364                       307     57      179
  SINCE MAR 1   1143                       954    189      819
  SINCE JUL 1   4494                      4544    -50     3712

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   15                        14      1       35
  SINCE MAR 1     15                        17     -2       37
  SINCE JAN 1     20                        17      3       37
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     9.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           400 AM
 LOWEST     27           500 PM
 AVERAGE    52

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        92      2009
                                             1990
 MINIMUM TEMPERATURE (F)   45        31      1987
                                             1972


SUNRISE AND SUNSET
APRIL 27 2018.........SUNRISE   617 AM EDT   SUNSET   759 PM EDT
APRIL 28 2018.........SUNRISE   616 AM EDT   SUNSET   800 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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