000 CDUS41 KLWX 070519 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1218 AM EST FRI DEC 7 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 6 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 32 408 PM 79 1998 49 -17 51 MINIMUM 13 738 AM 9 2002 28 -15 20 AVERAGE 23 39 -16 36 PRECIPITATION (IN) YESTERDAY 0.00 0.75 1983 0.10 -0.10 0.00 MONTH TO DATE 0.54 0.60 -0.06 0.02 SINCE DEC 1 0.54 0.60 -0.06 0.02 SINCE JAN 1 25.57 39.33 -13.76 44.26 SNOWFALL (IN) YESTERDAY 0.0 T 0.0 MONTH TO DATE 2.5 T 2.5 SINCE JUL 1 2.5 0.9 1.6 SNOW DEPTH 2 DEGREE DAYS HEATING YESTERDAY 42 26 16 29 MONTH TO DATE 190 151 39 154 SINCE DEC 1 190 151 39 154 SINCE JUL 1 919 1128 -209 1015 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 14 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 3.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 81 1200 AM LOWEST 43 300 PM AVERAGE 62 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 48 77 1998 MINIMUM TEMPERATURE (F) 28 1 2002 SUNRISE AND SUNSET DECEMBER 7 2007......SUNRISE 715 AM EST SUNSET 447 PM EST DECEMBER 8 2007......SUNRISE 716 AM EST SUNSET 447 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$