000 CDUS41 KLWX 310533 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1231 AM EST FRI DEC 31 2004 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 30 2004... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1962 TO 2004 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 49 243 PM 67 1990 42 7 54 MINIMUM 28 714 AM 4 1963 23 5 27 AVERAGE 39 33 6 41 PRECIPITATION (IN) YESTERDAY 0.00 0.87 1969 0.10 -0.10 0.03 MONTH TO DATE 3.00 2.97 0.03 4.57 SINCE DEC 1 3.00 2.97 0.03 4.57 SINCE JAN 1 38.70 41.70 -3.00 65.71 SNOWFALL (IN) YESTERDAY 0.0 0.9 1977 0.1 -0.1 0.0 MONTH TO DATE T 2.1 -2.1 11.4 SINCE DEC 1 T 2.1 -2.1 11.4 SINCE JUL 1 T 3.0 -3.0 11.4 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 26 32 -6 24 MONTH TO DATE 821 852 -31 864 SINCE DEC 1 821 852 -31 864 SINCE JUL 1 1626 1829 -203 1690 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1201 1075 126 993 .................................................................. WIND (MPH) HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (170) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (160) AVERAGE WIND SPEED 2.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 92 700 AM LOWEST 54 200 PM AVERAGE 73 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 42 73 1992 MINIMUM TEMPERATURE (F) 23 1 1993 SUNRISE AND SUNSET DECEMBER 31 2004......SUNRISE 728 AM EST SUNSET 458 PM EST JANUARY 1 2005.......SUNRISE 729 AM EST SUNSET 459 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$