Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 270526
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT SUN MAY 27 2018


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 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         88   1257 PM  92    2007  78     10       76
  MINIMUM         71    553 AM  38    1967  54     17       53
  AVERAGE         80                        66     14       65

PRECIPITATION (IN)
  YESTERDAY        T             3.59 2009   0.14  -0.14     0.00
  MONTH TO DATE    6.50                      3.79   2.71     6.61
  SINCE MAR 1     11.84                     10.64   1.20    13.77
  SINCE JAN 1     18.23                     16.06   2.17    17.21

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1     11.9                      22.0  -10.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE   21                       121   -100      139
  SINCE MAR 1   1210                      1103    107      958
  SINCE JUL 1   4561                      4693   -132     3851

 COOLING
  YESTERDAY       15                         4     11        0
  MONTH TO DATE  128                        52     76       50
  SINCE MAR 1    143                        72     71      119
  SINCE JAN 1    148                        72     76      119
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     5.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1100 PM
 LOWEST     55          1200 PM
 AVERAGE    78

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        92      2010
                                             1965
 MINIMUM TEMPERATURE (F)   55        37      1972


SUNRISE AND SUNSET
MAY 27 2018...........SUNRISE   549 AM EDT   SUNSET   826 PM EDT
MAY 28 2018...........SUNRISE   548 AM EDT   SUNSET   827 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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