519 CDUS41 KLWX 310540 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1238 AM EST WED DEC 31 2003 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 30 2003... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1962 TO 2003 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 54 701 AM 67 1990 42 12 47 MINIMUM 27 1117 PM 4 1963 23 4 23 AVERAGE 41 33 8 35 PRECIPITATION (IN) YESTERDAY 0.03 0.87 1969 0.10 -0.07 0.00 MONTH TO DATE 4.57 2.97 1.60 3.61 SINCE DEC 1 4.57 2.97 1.60 3.61 SINCE JAN 1 65.71 41.70 24.01 38.18 SNOWFALL (IN) YESTERDAY 0.0 0.9 1977 0.1 -0.1 0.0 MONTH TO DATE 11.4 2.1 9.3 8.2 SINCE DEC 1 11.4 2.1 9.3 8.2 SINCE JUL 1 11.4 3.0 8.4 8.2 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 24 32 -8 30 MONTH TO DATE 864 852 12 952 SINCE DEC 1 864 852 12 952 SINCE JUL 1 1690 1829 -139 1934 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 993 1075 -82 1345 .................................................................. WIND (MPH) HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 11.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 M600 AM LOWEST 41 M100 PM AVERAGE 69 .......................................................... 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 2003......SUNRISE 728 AM EST SUNSET 457 PM EST JANUARY 1 2004.......SUNRISE 729 AM EST SUNSET 458 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$