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Displaying AFOS PIL: CLIIAD Product Timestamp: 2017-11-21 05:22 UTC
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CDUS41 KLWX 210524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1222 AM EST TUE NOV 21 2017
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...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 20 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 51 331 PM 79 1985 56 -5 45
MINIMUM 35 632 AM 18 1980 34 1 34
AVERAGE 43 45 -2 40
PRECIPITATION (IN)
YESTERDAY 0.00 0.75 1983 0.11 -0.11 0.00
MONTH TO DATE 1.96 2.26 -0.30 0.25
SINCE SEP 1 6.86 9.43 -2.57 3.45
SINCE JAN 1 39.86 37.43 2.43 31.45
SNOWFALL (IN)
YESTERDAY 0.0 T 2000 0.0 0.0
1987
1969
MONTH TO DATE 0.0 0.1 -0.1
SINCE JUL 1 T 0.1 -0.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 22 20 2 25
MONTH TO DATE 364 338 26 300
SINCE SEP 1 584 692 -108 511
SINCE JUL 1 585 694 -109 511
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 2
SINCE SEP 1 220 160 60 296
SINCE JAN 1 1281 1176 105 1559
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WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 10.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 1100 PM
LOWEST 30 300 PM
AVERAGE 50
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 76 2007
MINIMUM TEMPERATURE (F) 34 16 1969
SUNRISE AND SUNSET
NOVEMBER 21 2017......SUNRISE 659 AM EST SUNSET 452 PM EST
NOVEMBER 22 2017......SUNRISE 700 AM EST SUNSET 451 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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