National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-04-22 18:29 UTC
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000
CDUS41 KLWX 221830
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
229 PM EDT SUN APR 22 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 21 2007...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2007
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 76 415 PM 89 1985 68 8 68
MINIMUM 37 532 AM 29 1983 42 -5 52
AVERAGE 57 55 2 60
PRECIPITATION (IN)
YESTERDAY 0.00 2.20 1992 0.11 -0.11 0.20
MONTH TO DATE 3.11 2.20 0.91 1.81
SINCE MAR 1 6.04 5.75 0.29 1.88
SINCE JAN 1 10.69 11.57 -0.88 6.66
SNOWFALL (IN)
YESTERDAY 0.0 0.0 0.0
MONTH TO DATE 0.2 0.4 -0.2
SINCE AUG 1 14.7 21.2 -6.5
SINCE JUL 1 14.7 21.2 -6.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 8 10 -2 5
MONTH TO DATE 368 280 88 157
SINCE MAR 1 948 950 -2 746
SINCE JUL 1 4324 4710 -386 3974
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 2 -2 9
SINCE MAR 1 8 6 2 12
SINCE JAN 1 8 6 2 12
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 500 AM
LOWEST 16 400 PM
AVERAGE 51
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 92 1985
MINIMUM TEMPERATURE (F) 42 27 1975
SUNRISE AND SUNSET
APRIL 22 2007.........SUNRISE 624 AM EDT SUNSET 753 PM EDT
APRIL 23 2007.........SUNRISE 623 AM EDT SUNSET 754 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$