National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2004-04-11 05:38 UTC
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506
CDUS41 KLWX 110546
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
138 AM EDT SUN APR 11 2004
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 10 2004...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2004
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 64 515 PM 78 1992 64 0 55
MINIMUM 37 610 AM 19 1985 39 -2 41
AVERAGE 51 51 0 48
PRECIPITATION (IN)
YESTERDAY 0.00 0.84 1983 0.10 -0.10 0.06
MONTH TO DATE 1.71 1.06 0.65 1.32
SINCE MAR 1 3.76 4.61 -0.85 5.03
SINCE JAN 1 7.10 10.43 -3.33 13.99
SNOWFALL (IN)
YESTERDAY 0.0 T 1973 T 0.0 0.0
MONTH TO DATE 0.0 0.4 -0.4 T
SINCE MAR 1 T 3.8 -3.8 1.9
SINCE JUL 1 17.4 21.2 -3.8 50.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 14 14 0 17
MONTH TO DATE 180 150 30 161
SINCE MAR 1 754 820 -66 802
SINCE JUL 1 4479 4553 -74 4846
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 4 -4 0
SINCE JAN 1 0 4 -4 0
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 4.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 M700 AM
LOWEST 30 1100 AM
AVERAGE 56
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 87 1977
MINIMUM TEMPERATURE (F) 39 25 1971
SUNRISE AND SUNSET
APRIL 11 2004.........SUNRISE 639 AM EDT SUNSET 743 PM EDT
APRIL 12 2004.........SUNRISE 637 AM EDT SUNSET 744 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$