National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-01-06 05:23 UTC
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082
CDUS41 KLWX 060523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1223 AM EST MON JAN 6 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 5 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 43 117 AM 69 1997 42 1 53
MINIMUM 27 1159 PM 5 1970 24 3 40
AVERAGE 35 33 2 47
PRECIPITATION (IN)
YESTERDAY 0.00 1.11 1993 0.09 -0.09 0.11
MONTH TO DATE 0.68 0.40 0.28 0.14
SINCE DEC 1 3.65 3.36 0.29 5.90
SINCE JAN 1 0.68 0.40 0.28 0.14
SNOWFALL (IN)
YESTERDAY 0.0 6.4 1980 0.1 -0.1
MONTH TO DATE 0.0 0.8 -0.8
SINCE JUL 1 0.6 4.8 -4.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 30 32 -2 18
MONTH TO DATE 115 160 -45 109
SINCE DEC 1 915 1042 -127 913
SINCE JUL 1 1778 1958 -180 1871
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 28 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 12.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 1000 PM
LOWEST 46 200 PM
AVERAGE 62
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 71 2007
MINIMUM TEMPERATURE (F) 24 4 1999
1977
SUNRISE AND SUNSET
JANUARY 6 2020.......SUNRISE 729 AM EST SUNSET 502 PM EST
JANUARY 7 2020.......SUNRISE 729 AM EST SUNSET 503 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$