National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-01-05 05:26 UTC
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083
CDUS41 KLWX 050528
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1226 AM EST THU JAN 5 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 4 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 56 103 PM 74 1997 42 14 37
MINIMUM 29 1158 PM 5 1979 24 5 20
AVERAGE 43 33 10 29
PRECIPITATION (IN)
YESTERDAY 0.02 0.89 1992 0.08 -0.06 T
MONTH TO DATE 1.21 0.31 0.90 T
SINCE DEC 1 3.57 3.27 0.30 3.76
SINCE JAN 1 1.21 0.31 0.90 T
SNOWFALL (IN)
YESTERDAY 0.0 1.8 1980 0.2 -0.2
MONTH TO DATE 0.0 0.7 -0.7
SINCE JUL 1 T 4.7 -4.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 22 32 -10 36
MONTH TO DATE 88 128 -40 117
SINCE DEC 1 911 1010 -99 620
SINCE JUL 1 1638 1926 -288 1370
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 2
SINCE JAN 1 0 0 0 0
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 10.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 AM
LOWEST 27 600 PM
AVERAGE 64
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 69 1997
MINIMUM TEMPERATURE (F) 24 5 1970
SUNRISE AND SUNSET
JANUARY 5 2017.......SUNRISE 729 AM EST SUNSET 502 PM EST
JANUARY 6 2017.......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.
$$