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. $$