National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2004-12-28 05:29 UTC
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000
CDUS41 KLWX 280530
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1229 AM EST TUE DEC 28 2004
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 27 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 31 320 PM 73 1971 43 -12 52
MINIMUM 22 1159 PM 1 1989 24 -2 26
AVERAGE 27 33 -6 39
PRECIPITATION (IN)
YESTERDAY 0.00 1.04 1964 0.10 -0.10 0.00
MONTH TO DATE 3.00 2.67 0.33 4.54
SINCE DEC 1 3.00 2.67 0.33 4.54
SINCE JAN 1 38.70 41.40 -2.70 65.68
SNOWFALL (IN)
YESTERDAY 0.0 4.4 1990 0.1 -0.1 0.0
MONTH TO DATE T 1.8 -1.8 11.4
SINCE DEC 1 T 1.8 -1.8 11.4
SINCE JUL 1 T 2.7 -2.7 11.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 38 31 7 26
MONTH TO DATE 734 757 -23 790
SINCE DEC 1 734 757 -23 790
SINCE JUL 1 1539 1734 -195 1616
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 26 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 12.7
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 63 400 AM
LOWEST 25 200 PM
AVERAGE 44
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 73 1984
MINIMUM TEMPERATURE (F) 24 8 1966
SUNRISE AND SUNSET
DECEMBER 28 2004......SUNRISE 728 AM EST SUNSET 456 PM EST
DECEMBER 29 2004......SUNRISE 728 AM EST SUNSET 456 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$