National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-12-28 05:22 UTC
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000
CDUS41 KLWX 280524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1222 AM EST FRI DEC 28 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 27 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 54 138 PM 73 1971 43 11 47
MINIMUM 32 1159 PM 1 1989 24 8 29
AVERAGE 43 33 10 38
PRECIPITATION (IN)
YESTERDAY T 1.04 1964 0.10 -0.10 0.00
MONTH TO DATE 2.47 2.67 -0.20 1.66
SINCE DEC 1 2.47 2.67 -0.20 1.66
SINCE JAN 1 27.50 41.40 -13.90 45.90
SNOWFALL (IN)
YESTERDAY 0.0 0.1 -0.1
MONTH TO DATE 2.5 1.8 0.7
SINCE JUL 1 2.5 2.7 -0.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 22 31 -9 27
MONTH TO DATE 721 757 -36 608
SINCE DEC 1 721 757 -36 608
SINCE JUL 1 1450 1734 -284 1469
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 28 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 900 PM
LOWEST 54 300 PM
AVERAGE 75
..........................................................
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 2007......SUNRISE 728 AM EST SUNSET 455 PM EST
DECEMBER 29 2007......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.
$$