National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-10-15 05:29 UTC
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439
CDUS41 KLWX 150531
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT SUN OCT 15 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 14 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 73 405 PM 86 1975 69 4 64
MINIMUM 61 852 PM 23 1988 44 17 38
AVERAGE 67 56 11 51
PRECIPITATION (IN)
YESTERDAY 0.00 1.61 1995 0.11 -0.11 0.00
MONTH TO DATE 1.40 1.48 -0.08 0.40
SINCE SEP 1 3.15 5.40 -2.25 2.95
SINCE JAN 1 36.15 33.40 2.75 30.95
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 T 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 9 -9 14
MONTH TO DATE 32 101 -69 76
SINCE SEP 1 72 157 -85 82
SINCE JUL 1 73 159 -86 82
COOLING
YESTERDAY 2 1 1 0
MONTH TO DATE 59 16 43 4
SINCE SEP 1 214 157 57 259
SINCE JAN 1 1275 1173 102 1522
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 4.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 68 200 PM
AVERAGE 84
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 88 1989
MINIMUM TEMPERATURE (F) 44 28 1987
SUNRISE AND SUNSET
OCTOBER 15 2017.......SUNRISE 719 AM EDT SUNSET 631 PM EDT
OCTOBER 16 2017.......SUNRISE 721 AM EDT SUNSET 629 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$