National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-11-28 05:24 UTC
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457
CDUS41 KLWX 280525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1224 AM EST TUE NOV 28 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 27 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 60 341 PM 70 2011 53 7 52
MINIMUM 30 734 AM 11 1974 32 -2 28
AVERAGE 45 42 3 40
PRECIPITATION (IN)
YESTERDAY 0.00 2.59 1993 0.11 -0.11 0.00
MONTH TO DATE 1.96 3.06 -1.10 0.25
SINCE SEP 1 6.86 10.23 -3.37 3.45
SINCE JAN 1 39.86 38.23 1.63 31.45
SNOWFALL (IN)
YESTERDAY 0.0 2.9 1978 0.1 -0.1
MONTH TO DATE 0.0 0.4 -0.4
SINCE JUL 1 T 0.4 -0.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 20 23 -3 25
MONTH TO DATE 520 489 31 471
SINCE SEP 1 740 843 -103 682
SINCE JUL 1 741 845 -104 682
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
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 4.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 900 PM
LOWEST 35 300 PM
AVERAGE 59
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 52 71 1998
1990
MINIMUM TEMPERATURE (F) 32 19 1996
SUNRISE AND SUNSET
NOVEMBER 28 2017......SUNRISE 707 AM EST SUNSET 449 PM EST
NOVEMBER 29 2017......SUNRISE 708 AM EST SUNSET 448 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$