National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-01-04 05:23 UTC
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255
CDUS41 KLWX 040523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1223 AM EST SAT JAN 4 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 3 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 1149 AM 68 2000 42 11 49
MINIMUM 45 536 AM 1 2018 24 21 30
AVERAGE 49 33 16 40
PRECIPITATION (IN)
YESTERDAY 0.33 1.37 1999 0.07 0.26 0.00
MONTH TO DATE 0.33 0.23 0.10 0.00
SINCE DEC 1 3.30 3.19 0.11 5.76
SINCE JAN 1 0.33 0.23 0.10 0.00
SNOWFALL (IN)
YESTERDAY MM 0.9 1989 0.2 MM
MONTH TO DATE 0.0 0.5 -0.5
SINCE JUL 1 0.6 4.5 -3.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 16 32 -16 25
MONTH TO DATE 71 96 -25 63
SINCE DEC 1 871 978 -107 867
SINCE JUL 1 1734 1894 -160 1825
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 12 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 4.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 700 PM
LOWEST 66 200 AM
AVERAGE 81
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 74 1997
MINIMUM TEMPERATURE (F) 24 5 1979
SUNRISE AND SUNSET
JANUARY 4 2020.......SUNRISE 729 AM EST SUNSET 501 PM EST
JANUARY 5 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.
$$