Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 280526
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
124 AM EDT THU MAY 28 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 27 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         86   1252 PM  92    2010  78      8       87
                                      1965
  MINIMUM         67   1152 PM  37    1972  55     12       61
  AVERAGE         77                        66     11       74

PRECIPITATION (IN)
  YESTERDAY        1.05          1.45 1968   0.15   0.90     0.48
  MONTH TO DATE    2.46                      3.94  -1.48     5.19
  SINCE MAR 1      8.84                     10.79  -1.95    16.70
  SINCE JAN 1     13.86                     16.21  -2.35    23.20

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1     36.9                      22.0   14.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   48                       123    -75       85
  SINCE MAR 1   1114                      1105      9     1324
  SINCE JUL 1   5115                      4695    420     5155

 COOLING
  YESTERDAY       12                         4      8        9
  MONTH TO DATE  128                        56     72       68
  SINCE MAR 1    131                        76     55       79
  SINCE JAN 1    131                        76     55       79
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     6.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1100 PM
 LOWEST     55           100 PM
 AVERAGE    76

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        90      2012
                                             1991
 MINIMUM TEMPERATURE (F)   55        37      1994


SUNRISE AND SUNSET
MAY 28 2015...........SUNRISE   548 AM EDT   SUNSET   826 PM EDT
MAY 29 2015...........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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