National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-01-30 05:32 UTC
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723
CDUS41 KLWX 300533
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1232 AM EST MON JAN 30 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 29 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 43 402 PM 75 1975 43 0 39
MINIMUM 30 715 AM -1 1987 24 6 23
1963
AVERAGE 37 34 3 31
PRECIPITATION (IN)
YESTERDAY T 0.95 1990 0.09 -0.09 0.01
MONTH TO DATE 2.71 2.49 0.22 4.47
SINCE DEC 1 5.07 5.45 -0.38 8.23
SINCE JAN 1 2.71 2.49 0.22 4.47
SNOWFALL (IN)
YESTERDAY T 7.2 1966 0.3 -0.3
MONTH TO DATE 0.7 6.7 -6.0
SINCE JUL 1 0.7 10.7 -10.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 28 31 -3 34
MONTH TO DATE 723 925 -202 980
SINCE DEC 1 1546 1807 -261 1483
SINCE JUL 1 2273 2723 -450 2233
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 13 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 4.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 900 PM
LOWEST 39 100 PM
AVERAGE 57
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 72 2013
MINIMUM TEMPERATURE (F) 24 2 1965
SUNRISE AND SUNSET
JANUARY 30 2017.......SUNRISE 718 AM EST SUNSET 529 PM EST
JANUARY 31 2017.......SUNRISE 717 AM EST SUNSET 530 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$