National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-02-18 05:24 UTC
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535
CDUS41 KLWX 180524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1224 AM EST SAT FEB 18 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 17 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 52 452 PM 75 1976 47 5 47
MINIMUM 19 611 AM -4 1979 26 -7 26
AVERAGE 36 36 0 37
PRECIPITATION (IN)
YESTERDAY 0.00 1.36 1998 0.10 -0.10 0.00
MONTH TO DATE 0.25 1.68 -1.43 2.57
SINCE DEC 1 5.34 7.32 -1.98 10.80
SINCE JAN 1 2.98 4.36 -1.38 7.04
SNOWFALL (IN)
YESTERDAY 0.0 4.1 1967 0.3 -0.3
MONTH TO DATE 0.6 5.1 -4.5
SINCE JUL 1 1.6 16.4 -14.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 29 29 0 28
MONTH TO DATE 422 509 -87 538
SINCE DEC 1 2031 2377 -346 2074
SINCE JUL 1 2758 3293 -535 2824
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 9 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 2.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 700 AM
LOWEST 27 300 PM
AVERAGE 54
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 75 2011
MINIMUM TEMPERATURE (F) 26 -14 1979
SUNRISE AND SUNSET
FEBRUARY 18 2017......SUNRISE 657 AM EST SUNSET 551 PM EST
FEBRUARY 19 2017......SUNRISE 656 AM EST SUNSET 552 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$