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Displaying AFOS PIL: CLIIAD Received: 2018-01-31 05:27 UTC
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CDUS41 KLWX 310529
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1227 AM EST WED JAN 31 2018
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...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 30 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 35 525 AM 72 2013 43 -8 37
MINIMUM 20 1158 PM 2 1965 24 -4 21
AVERAGE 28 34 -6 29
PRECIPITATION (IN)
YESTERDAY T 2.00 2013 0.09 -0.09 0.02
MONTH TO DATE 1.75 2.58 -0.83 2.73
SINCE DEC 1 2.52 5.54 -3.02 5.09
SINCE JAN 1 1.75 2.58 -0.83 2.73
SNOWFALL (IN)
YESTERDAY T 6.3 2000 0.3 -0.3
MONTH TO DATE 0.4 7.0 -6.6
SINCE JUL 1 5.0 11.0 -6.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 37 31 6 36
MONTH TO DATE 965 956 9 759
SINCE DEC 1 1888 1838 50 1582
SINCE JUL 1 2682 2754 -72 2309
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 33 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 17.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 36 300 PM
AVERAGE 68
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 66 2012
MINIMUM TEMPERATURE (F) 24 -7 1965
SUNRISE AND SUNSET
JANUARY 31 2018.......SUNRISE 717 AM EST SUNSET 530 PM EST
FEBRUARY 1 2018......SUNRISE 716 AM EST SUNSET 531 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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