National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-02-01 05:22 UTC
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790
CDUS41 KLWX 010523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1222 AM EST SAT FEB 1 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 31 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 44 228 PM 66 2012 44 0 22
MINIMUM 28 722 AM -7 1965 24 4 -2
AVERAGE 36 34 2 10
PRECIPITATION (IN)
YESTERDAY T 0.68 1985 0.10 -0.10 0.00
MONTH TO DATE 3.25 2.68 0.57 3.96
SINCE DEC 1 6.22 5.64 0.58 9.72
SINCE JAN 1 3.25 2.68 0.57 3.96
SNOWFALL (IN)
YESTERDAY MM 4.7 1985 0.3 MM
MONTH TO DATE 2.3 7.3 -5.0
SINCE JUL 1 2.9 11.3 -8.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 29 31 -2 55
MONTH TO DATE 804 987 -183 1001
SINCE DEC 1 1604 1868 -264 1805
SINCE JUL 1 2467 2784 -317 2763
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 9 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 2.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 1000 PM
LOWEST 49 100 PM
AVERAGE 69
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 75 2002
MINIMUM TEMPERATURE (F) 24 2 1965
SUNRISE AND SUNSET
FEBRUARY 1 2020......SUNRISE 716 AM EST SUNSET 531 PM EST
FEBRUARY 2 2020......SUNRISE 716 AM EST SUNSET 532 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$