National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-04-23 05:32 UTC
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853
CDUS41 KLWX 230532
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
132 AM EDT SUN APR 23 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 22 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 65 1212 AM 92 1985 69 -4 71
MINIMUM 48 1152 PM 27 1975 44 4 62
AVERAGE 57 56 1 67
PRECIPITATION (IN)
YESTERDAY 0.50 2.88 2006 0.12 0.38 0.01
MONTH TO DATE 2.60 2.54 0.06 1.20
SINCE MAR 1 6.72 5.92 0.80 2.65
SINCE JAN 1 10.16 11.34 -1.18 10.91
SNOWFALL (IN)
YESTERDAY 0.0 T 1993 0.0 0.0
MONTH TO DATE T 0.3 -0.3
SINCE JUL 1 7.3 22.0 -14.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 8 9 -1 0
MONTH TO DATE 146 272 -126 280
SINCE MAR 1 786 919 -133 726
SINCE JUL 1 3679 4509 -830 3817
COOLING
YESTERDAY 0 1 -1 2
MONTH TO DATE 35 10 25 10
SINCE MAR 1 37 13 24 15
SINCE JAN 1 37 13 24 15
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 8.2
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 93 200 AM
LOWEST 80 700 AM
AVERAGE 87
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 88 2001
MINIMUM TEMPERATURE (F) 44 30 1989
SUNRISE AND SUNSET
APRIL 23 2017.........SUNRISE 622 AM EDT SUNSET 755 PM EDT
APRIL 24 2017.........SUNRISE 620 AM EDT SUNSET 756 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$