National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-01-28 05:25 UTC
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268
CDUS41 KLWX 280526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1225 AM EST SAT JAN 28 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 27 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 41 450 AM 71 1974 43 -2 45
MINIMUM 35 1159 PM -9 1987 24 11 20
AVERAGE 38 34 4 33
PRECIPITATION (IN)
YESTERDAY T 0.95 1976 0.08 -0.08 0.01
MONTH TO DATE 2.71 2.30 0.41 4.46
SINCE DEC 1 5.07 5.26 -0.19 8.22
SINCE JAN 1 2.71 2.30 0.41 4.46
SNOWFALL (IN)
YESTERDAY T 2.0 2009 0.3 -0.3
MONTH TO DATE 0.7 6.1 -5.4
SINCE JUL 1 0.7 10.1 -9.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 27 31 -4 32
MONTH TO DATE 668 863 -195 908
SINCE DEC 1 1491 1745 -254 1411
SINCE JUL 1 2218 2661 -443 2161
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 25 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 14.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59 400 AM
LOWEST 37 1000 AM
AVERAGE 48
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 68 2002
MINIMUM TEMPERATURE (F) 24 -17 1987
SUNRISE AND SUNSET
JANUARY 28 2017.......SUNRISE 719 AM EST SUNSET 527 PM EST
JANUARY 29 2017.......SUNRISE 718 AM EST SUNSET 528 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$