National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-02-12 05:23 UTC
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661
CDUS41 KLWX 120523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1223 AM EST SUN FEB 12 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 11 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 52 439 PM 71 2009 45 7 27
MINIMUM 31 630 AM -7 1979 25 6 18
AVERAGE 42 35 7 23
PRECIPITATION (IN)
YESTERDAY 0.00 2.07 1983 0.10 -0.10 0.00
MONTH TO DATE 0.20 1.09 -0.89 1.28
SINCE DEC 1 5.29 6.73 -1.44 9.51
SINCE JAN 1 2.93 3.77 -0.84 5.75
SNOWFALL (IN)
YESTERDAY 0.0 22.5 1983 0.3 -0.3
MONTH TO DATE 0.6 3.4 -2.8
SINCE JUL 1 1.6 14.7 -13.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 23 30 -7 42
MONTH TO DATE 259 335 -76 307
SINCE DEC 1 1868 2203 -335 1843
SINCE JUL 1 2595 3119 -524 2593
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 12 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 4.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 1100 PM
LOWEST 35 1200 AM
AVERAGE 53
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 74 1999
MINIMUM TEMPERATURE (F) 25 3 1964
SUNRISE AND SUNSET
FEBRUARY 12 2017......SUNRISE 704 AM EST SUNSET 544 PM EST
FEBRUARY 13 2017......SUNRISE 703 AM EST SUNSET 545 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$