National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2006-12-18 05:40 UTC
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000
CDUS41 KLWX 180542
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1240 AM EST MON DEC 18 2006
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 17 2006...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2006
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 66 341 PM 70 1984 45 21 44
MINIMUM 29 726 AM 3 1989 26 3 27
AVERAGE 48 35 13 36
PRECIPITATION (IN)
YESTERDAY 0.00 0.75 2000 0.10 -0.10 0.00
MONTH TO DATE 0.16 1.70 -1.54 2.14
SINCE DEC 1 0.16 1.70 -1.54 2.14
SINCE JAN 1 44.40 40.43 3.97 43.77
SNOWFALL (IN)
YESTERDAY 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 17 29 -12 29
MONTH TO DATE 403 455 -52 573
SINCE DEC 1 403 455 -52 573
SINCE JUL 1 1264 1432 -168 1312
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1256 1075 181 1373
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 4.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 200 AM
LOWEST 37 200 PM
AVERAGE 65
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 69 1984
MINIMUM TEMPERATURE (F) 25 3 1989
SUNRISE AND SUNSET
DECEMBER 18 2006......SUNRISE 723 AM EST SUNSET 450 PM EST
DECEMBER 19 2006......SUNRISE 724 AM EST SUNSET 450 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$