National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-05-07 05:23 UTC
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560
CDUS41 KLWX 070523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT SUN MAY 7 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 6 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 63 1210 AM 90 1986 73 -10 54
MINIMUM 45 1159 PM 36 1968 48 -3 50
AVERAGE 54 60 -6 52
PRECIPITATION (IN)
YESTERDAY 0.13 0.92 2016 0.13 0.00 0.92
MONTH TO DATE 1.67 0.79 0.88 3.39
SINCE MAR 1 8.83 7.64 1.19 6.72
SINCE JAN 1 12.27 13.06 -0.79 14.98
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 7.3 22.0 -14.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 11 6 5 13
MONTH TO DATE 34 39 -5 42
SINCE MAR 1 853 1021 -168 823
SINCE JUL 1 3746 4611 -865 3914
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 12 6 6 2
SINCE MAR 1 81 26 55 25
SINCE JAN 1 81 26 55 25
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 8.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 900 PM
LOWEST 71 600 PM
AVERAGE 79
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 90 2000
1986
MINIMUM TEMPERATURE (F) 48 28 1970
SUNRISE AND SUNSET
MAY 7 2017...........SUNRISE 605 AM EDT SUNSET 808 PM EDT
MAY 8 2017...........SUNRISE 604 AM EDT SUNSET 809 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$