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. $$