000 CDUS41 KLWX 100523 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1221 AM EST MON DEC 10 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 9 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 45 214 PM 72 1978 48 -3 40 MINIMUM 39 921 AM 11 1989 27 12 15 AVERAGE 42 38 4 28 PRECIPITATION (IN) YESTERDAY 0.23 1.12 1973 0.10 0.13 0.00 MONTH TO DATE 1.00 0.90 0.10 0.02 SINCE DEC 1 1.00 0.90 0.10 0.02 SINCE JAN 1 26.03 39.63 -13.60 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 0 DEGREE DAYS HEATING YESTERDAY 23 27 -4 37 MONTH TO DATE 276 231 45 255 SINCE DEC 1 276 231 45 255 SINCE JUL 1 1005 1208 -203 1116 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 10 HIGHEST WIND DIRECTION SE (140) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (150) AVERAGE WIND SPEED 3.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 1200 AM LOWEST 82 200 PM AVERAGE 88 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 47 70 1966 MINIMUM TEMPERATURE (F) 27 4 1989 SUNRISE AND SUNSET DECEMBER 10 2007......SUNRISE 717 AM EST SUNSET 448 PM EST DECEMBER 11 2007......SUNRISE 718 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. $$