National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2004-12-31 05:31 UTC
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000
CDUS41 KLWX 310533
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1231 AM EST FRI DEC 31 2004
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 30 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 49 243 PM 67 1990 42 7 54
MINIMUM 28 714 AM 4 1963 23 5 27
AVERAGE 39 33 6 41
PRECIPITATION (IN)
YESTERDAY 0.00 0.87 1969 0.10 -0.10 0.03
MONTH TO DATE 3.00 2.97 0.03 4.57
SINCE DEC 1 3.00 2.97 0.03 4.57
SINCE JAN 1 38.70 41.70 -3.00 65.71
SNOWFALL (IN)
YESTERDAY 0.0 0.9 1977 0.1 -0.1 0.0
MONTH TO DATE T 2.1 -2.1 11.4
SINCE DEC 1 T 2.1 -2.1 11.4
SINCE JUL 1 T 3.0 -3.0 11.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 26 32 -6 24
MONTH TO DATE 821 852 -31 864
SINCE DEC 1 821 852 -31 864
SINCE JUL 1 1626 1829 -203 1690
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1201 1075 126 993
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 2.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 700 AM
LOWEST 54 200 PM
AVERAGE 73
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 73 1992
MINIMUM TEMPERATURE (F) 23 1 1993
SUNRISE AND SUNSET
DECEMBER 31 2004......SUNRISE 728 AM EST SUNSET 458 PM EST
JANUARY 1 2005.......SUNRISE 729 AM EST SUNSET 459 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$