National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-12-24 05:20 UTC
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000
CDUS41 KLWX 240521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1220 AM EST MON DEC 24 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 23 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 60 327 PM 68 1990 44 16 60
MINIMUM 42 256 AM 4 1989 24 18 35
AVERAGE 51 34 17 48
PRECIPITATION (IN)
YESTERDAY 0.30 1.30 2004 0.09 0.21 0.04
MONTH TO DATE 2.35 2.29 0.06 1.07
SINCE DEC 1 2.35 2.29 0.06 1.07
SINCE JAN 1 27.38 41.02 -13.64 45.31
SNOWFALL (IN)
YESTERDAY 0.0 0.1 -0.1
MONTH TO DATE 2.5 1.4 1.1
SINCE JUL 1 2.5 2.3 0.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 14 30 -16 17
MONTH TO DATE 618 633 -15 514
SINCE DEC 1 618 633 -15 514
SINCE JUL 1 1347 1610 -263 1375
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1593 1075 518 1256
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 7.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 700 AM
LOWEST 58 1100 PM
AVERAGE 79
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 66 1982
MINIMUM TEMPERATURE (F) 24 1 1983
SUNRISE AND SUNSET
DECEMBER 24 2007......SUNRISE 726 AM EST SUNSET 452 PM EST
DECEMBER 25 2007......SUNRISE 727 AM EST SUNSET 453 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$