000 CDUS41 KLWX 110520 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1219 AM EST TUE DEC 11 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 10 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 48 340 PM 70 1966 47 1 60 MINIMUM 42 832 AM 4 1989 27 15 21 AVERAGE 45 37 8 41 PRECIPITATION (IN) YESTERDAY 0.03 2.26 1992 0.10 -0.07 0.00 MONTH TO DATE 1.03 1.00 0.03 0.02 SINCE DEC 1 1.03 1.00 0.03 0.02 SINCE JAN 1 26.06 39.73 -13.67 44.26 SNOWFALL (IN) YESTERDAY 0.0 0.1 -0.1 MONTH TO DATE 2.5 0.1 2.4 SINCE JUL 1 2.5 1.0 1.5 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 20 27 -7 24 MONTH TO DATE 296 258 38 279 SINCE DEC 1 296 258 38 279 SINCE JUL 1 1025 1235 -210 1140 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 12 HIGHEST WIND DIRECTION N (360) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 3.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG FOG W/VISIBILITY <= 1/4 MILE HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 96 1200 AM LOWEST 82 1000 AM AVERAGE 89 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 47 71 1979 MINIMUM TEMPERATURE (F) 27 3 1968 SUNRISE AND SUNSET DECEMBER 11 2007......SUNRISE 718 AM EST SUNSET 448 PM EST DECEMBER 12 2007......SUNRISE 719 AM EST SUNSET 448 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$