593
CDUS41 KLWX 170544
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1235 AM EST MON JAN 17 2005
...................
THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 16 2005...
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)
YESTERDAY
MAXIMUM 36 414 PM 65 1974 41 -5 27
MINIMUM 26 752 AM -4 1964 22 4 13
AVERAGE 31 31 0 20
PRECIPITATION (IN)
YESTERDAY T 0.64 1991 0.10 -0.10 0.00
MONTH TO DATE 2.37 1.60 0.77 0.51
SINCE DEC 1 5.38 4.67 0.71 5.08
SINCE JAN 1 2.37 1.60 0.77 0.51
SNOWFALL (IN)
YESTERDAY T 2.3 1965 0.3 -0.3 0.0
MONTH TO DATE T 3.6 -3.6 0.3
SINCE DEC 1 T 5.8 -5.8 11.7
SINCE JUL 1 T 6.7 -6.7 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 34 33 1 45
MONTH TO DATE 319 525 -206 511
SINCE DEC 1 1155 1409 -254 1402
SINCE JUL 1 1960 2386 -426 2228
COOLING
YESTERDAY 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 14 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 6.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 1100 PM
LOWEST 44 200 PM
AVERAGE 65
................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 70 1990
MINIMUM TEMPERATURE (F) 22 -7 1982
SUNRISE AND SUNSET
JANUARY 17 2005.......SUNRISE 726 AM EST SUNSET 514 PM EST
JANUARY 18 2005.......SUNRISE 726 AM EST SUNSET 515 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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