Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 240522
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT SUN MAY 24 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 23 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         73    428 PM  92    1964  77     -4       77
  MINIMUM         42    416 AM  39    2002  53    -11       56
                                      1990
                                      1971
  AVERAGE         58                        65     -7       67

PRECIPITATION (IN)
  YESTERDAY        0.00          2.40 2010   0.16  -0.16     0.00
  MONTH TO DATE    1.41                      3.34  -1.93     4.71
  SINCE MAR 1      7.79                     10.19  -2.40    16.22
  SINCE JAN 1     12.81                     15.61  -2.80    22.72

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        7                         3      4        0
  MONTH TO DATE   48                       112    -64       84
  SINCE MAR 1   1114                      1094     20     1323
  SINCE JUL 1   5115                      4684    431     5154

 COOLING
  YESTERDAY        0                         3     -3        2
  MONTH TO DATE   99                        42     57       55
  SINCE MAR 1    102                        62     40       66
  SINCE JAN 1    102                        62     40       66
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     4.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           400 AM
 LOWEST     25          1000 AM
 AVERAGE    51

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        90      1964
 MINIMUM TEMPERATURE (F)   54        36      1963


SUNRISE AND SUNSET
MAY 24 2015...........SUNRISE   550 AM EDT   SUNSET   823 PM EDT
MAY 25 2015...........SUNRISE   550 AM EDT   SUNSET   824 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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