National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-01-07 05:24 UTC
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399
CDUS41 KLWX 070525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1224 AM EST TUE JAN 7 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 6 2020...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2020
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 53 225 PM 71 2007 42 11 54
MINIMUM 27 1147 PM 4 1999 24 3 29
1977
AVERAGE 40 33 7 42
PRECIPITATION (IN)
YESTERDAY 0.00 0.94 1995 0.08 -0.08 0.00
MONTH TO DATE 0.68 0.48 0.20 0.14
SINCE DEC 1 3.65 3.44 0.21 5.90
SINCE JAN 1 0.68 0.48 0.20 0.14
SNOWFALL (IN)
YESTERDAY 0.0 4.2 2015 0.2 -0.2
MONTH TO DATE 0.0 1.0 -1.0
SINCE JUL 1 0.6 5.0 -4.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 25 32 -7 23
MONTH TO DATE 140 192 -52 132
SINCE DEC 1 940 1074 -134 936
SINCE JUL 1 1803 1990 -187 1894
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 7.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 1200 AM
LOWEST 28 300 PM
AVERAGE 57
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 71 2008
MINIMUM TEMPERATURE (F) 24 -1 2018
SUNRISE AND SUNSET
JANUARY 7 2020.......SUNRISE 729 AM EST SUNSET 503 PM EST
JANUARY 8 2020.......SUNRISE 729 AM EST SUNSET 504 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$