National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-01-03 05:28 UTC
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912
CDUS41 KLWX 030529
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1228 AM EST FRI JAN 3 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 2 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 51 1157 PM 67 2000 43 8 45
MINIMUM 23 514 AM -7 1968 24 -1 37
AVERAGE 37 33 4 41
PRECIPITATION (IN)
YESTERDAY T 1.40 1979 0.08 -0.08 0.00
MONTH TO DATE T 0.16 -0.16 0.00
SINCE DEC 1 2.97 3.12 -0.15 5.76
SINCE JAN 1 T 0.16 -0.16 0.00
SNOWFALL (IN)
YESTERDAY 0.0 3.0 2014 0.1 -0.1
1987
MONTH TO DATE 0.0 0.3 -0.3
SINCE JUL 1 0.6 4.3 -3.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 28 32 -4 24
MONTH TO DATE 55 64 -9 38
SINCE DEC 1 855 946 -91 842
SINCE JUL 1 1718 1862 -144 1800
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 14 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 900 AM
LOWEST 44 1000 PM
AVERAGE 68
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 68 2000
MINIMUM TEMPERATURE (F) 24 1 2018
SUNRISE AND SUNSET
JANUARY 3 2020.......SUNRISE 729 AM EST SUNSET 500 PM EST
JANUARY 4 2020.......SUNRISE 729 AM EST SUNSET 501 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$