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Displaying AFOS PIL: CLIIAD Received: 2018-01-29 05:36 UTC
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989
CDUS41 KLWX 290540
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1236 AM EST MON JAN 29 2018
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...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 28 2018...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2018
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 55 1216 AM 68 2002 43 12 47
MINIMUM 45 1159 PM -17 1987 24 21 28
AVERAGE 50 34 16 38
PRECIPITATION (IN)
YESTERDAY 0.11 1.64 1998 0.10 0.01 0.00
MONTH TO DATE 1.75 2.40 -0.65 2.71
SINCE DEC 1 2.52 5.36 -2.84 5.07
SINCE JAN 1 1.75 2.40 -0.65 2.71
SNOWFALL (IN)
YESTERDAY 0.0 6.7 1994 0.3 -0.3
MONTH TO DATE 0.4 6.4 -6.0
SINCE JUL 1 5.0 10.4 -5.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 15 31 -16 27
MONTH TO DATE 903 894 9 695
SINCE DEC 1 1826 1776 50 1518
SINCE JUL 1 2620 2692 -72 2245
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
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 6.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 600 AM
LOWEST 66 1200 AM
AVERAGE 83
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 75 1975
MINIMUM TEMPERATURE (F) 24 -1 1987
1963
SUNRISE AND SUNSET
JANUARY 29 2018.......SUNRISE 719 AM EST SUNSET 528 PM EST
JANUARY 30 2018.......SUNRISE 718 AM EST SUNSET 529 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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