National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-02-01 05:25 UTC
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087
CDUS41 KLWX 010526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1225 AM EST WED FEB 1 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 31 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 54 508 PM 66 2012 44 10 60
MINIMUM 21 1252 AM -7 1965 24 -3 34
AVERAGE 38 34 4 47
PRECIPITATION (IN)
YESTERDAY 0.00 0.68 1985 0.10 -0.10 0.00
MONTH TO DATE 2.73 2.68 0.05 4.47
SINCE DEC 1 5.09 5.64 -0.55 8.23
SINCE JAN 1 2.73 2.68 0.05 4.47
SNOWFALL (IN)
YESTERDAY 0.0 4.7 1985 0.3 -0.3
MONTH TO DATE 1.0 7.3 -6.3
SINCE JUL 1 1.0 11.3 -10.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 27 31 -4 18
MONTH TO DATE 786 987 -201 1033
SINCE DEC 1 1609 1868 -259 1536
SINCE JUL 1 2336 2784 -448 2286
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 2
SINCE JAN 1 0 0 0 0
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 7.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 200 AM
LOWEST 28 500 PM
AVERAGE 55
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 75 2002
MINIMUM TEMPERATURE (F) 24 2 1965
SUNRISE AND SUNSET
FEBRUARY 1 2017......SUNRISE 716 AM EST SUNSET 531 PM EST
FEBRUARY 2 2017......SUNRISE 715 AM EST SUNSET 533 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$