377
CDUS41 KLWX 202134
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
433 PM EST THU JAN 20 2005
...................
THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 20 2005...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2005
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
........................................................
TEMPERATURE (F)
TODAY
MAXIMUM 37 224 PM 57 1991 41 -4 29
MINIMUM 25 147 AM -7 1985 21 4 20
AVERAGE 31 31 0 25
PRECIPITATION (IN)
TODAY T 1.01 1979 0.10 -0.10 0.00
MONTH TO DATE 2.43 2.00 0.43 0.85
SINCE DEC 1 5.44 5.07 0.37 5.42
SINCE JAN 1 2.43 2.00 0.43 0.85
SNOWFALL (IN)
TODAY 0.0 4.5 1975 0.3 -0.3 0.0
MONTH TO DATE 1.0 4.8 -3.8 0.4
SINCE DEC 1 1.0 7.0 -6.0 11.8
SINCE JUL 1 1.0 7.9 -6.9 11.8
SNOW DEPTH 1
DEGREE DAYS
HEATING
TODAY 34 34 0 40
MONTH TO DATE 490 661 -171 661
SINCE DEC 1 1326 1545 -219 1552
SINCE JUL 1 2131 2522 -391 2378
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
........................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 600 AM
LOWEST 47 200 PM
AVERAGE 64
................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 59 1990
MINIMUM TEMPERATURE (F) 21 -16 1984
SUNRISE AND SUNSET
JANUARY 20 2005.......SUNRISE 725 AM EST SUNSET 518 PM EST
JANUARY 21 2005.......SUNRISE 724 AM EST SUNSET 519 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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