National Weather Service Text Product Display

Climatological Report (Daily)
Issued by NWS Sterling, VA
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CDUS41 KLWX 050535
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
135 AM EDT SUN MAY 5 2013


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 4 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         68    222 PM  90    2001  72     -4       84
  MINIMUM         45   1247 AM  31    1967  47     -2       60
  AVERAGE         57                        60     -3       72

PRECIPITATION (IN)
  YESTERDAY        0.00          1.23 1996   0.13  -0.13     0.05
  MONTH TO DATE    0.00                      0.52  -0.52     0.15
  SINCE MAR 1      5.46                      7.37  -1.91     3.49
  SINCE JAN 1     10.79                     12.79  -2.00     7.58

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1     12.7                      22.0   -9.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        8                         6      2        0
  MONTH TO DATE   36                        27      9        0
  SINCE MAR 1   1086                      1009     77      675
  SINCE JUL 1   4450                      4599   -149     3729

 COOLING
  YESTERDAY        0                         1     -1        7
  MONTH TO DATE    0                         4     -4       21
  SINCE MAR 1     30                        24      6       49
  SINCE JAN 1     30                        24      6       49
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     6.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           400 AM
 LOWEST     37           400 PM
 AVERAGE    62

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        88      1980
 MINIMUM TEMPERATURE (F)   48        29      1976


SUNRISE AND SUNSET
MAY  5 2013...........SUNRISE   607 AM EDT   SUNSET   807 PM EDT
MAY  6 2013...........SUNRISE   606 AM EDT   SUNSET   807 PM EDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$
National Weather Service National Headquarters
