495
CDUS41 KLWX 182138
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
437 PM EST TUE JAN 18 2005
...................
THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 18 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 23 359 PM 70 1990 41 -18 37
MINIMUM 12 802 AM -1 1994 21 -9 26
AVERAGE 18 31 -13 32
PRECIPITATION (IN)
TODAY 0.00 1.18 1980 0.10 -0.10 0.27
MONTH TO DATE 2.37 1.80 0.57 0.85
SINCE DEC 1 5.38 4.87 0.51 5.42
SINCE JAN 1 2.37 1.80 0.57 0.85
SNOWFALL (IN)
TODAY 0.0 4.2 1984 0.3 -0.3 T
MONTH TO DATE T 4.2 -4.2 0.4
SINCE DEC 1 T 6.4 -6.4 11.8
SINCE JUL 1 T 7.3 -7.3 11.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 47 34 13 33
MONTH TO DATE 409 593 -184 581
SINCE DEC 1 1245 1477 -232 1472
SINCE JUL 1 2050 2454 -404 2298
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 22 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 12.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 58 400 AM
LOWEST 29 400 PM
AVERAGE 44
................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 65 1972
MINIMUM TEMPERATURE (F) 21 -6 1994
SUNRISE AND SUNSET
JANUARY 18 2005.......SUNRISE 726 AM EST SUNSET 515 PM EST
JANUARY 19 2005.......SUNRISE 725 AM EST SUNSET 516 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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