000 CDUS41 KLWX 290541 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1239 AM EST WED DEC 29 2004 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 28 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 36 316 PM 73 1984 43 -7 51 MINIMUM 13 732 AM 8 1966 24 -11 22 AVERAGE 25 33 -8 37 PRECIPITATION (IN) YESTERDAY 0.00 1.74 1967 0.10 -0.10 0.00 MONTH TO DATE 3.00 2.77 0.23 4.54 SINCE DEC 1 3.00 2.77 0.23 4.54 SINCE JAN 1 38.70 41.50 -2.80 65.68 SNOWFALL (IN) YESTERDAY 0.0 2.3 1993 0.1 -0.1 0.0 MONTH TO DATE T 1.9 -1.9 11.4 SINCE DEC 1 T 1.9 -1.9 11.4 SINCE JUL 1 T 2.8 -2.8 11.4 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 40 31 9 28 MONTH TO DATE 774 788 -14 818 SINCE DEC 1 774 788 -14 818 SINCE JUL 1 1579 1765 -186 1644 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 16 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 7.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 80 800 AM LOWEST 35 100 PM AVERAGE 58 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 43 78 1984 MINIMUM TEMPERATURE (F) 23 7 1977 SUNRISE AND SUNSET DECEMBER 29 2004......SUNRISE 728 AM EST SUNSET 456 PM EST DECEMBER 30 2004......SUNRISE 728 AM EST SUNSET 457 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$