000 CDUS41 KLWX 200536 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1234 AM EST SAT DEC 20 2003 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 19 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 34 300 PM 63 1967 45 -11 50 MINIMUM 24 513 AM -2 1989 25 -1 35 AVERAGE 29 35 -6 43 PRECIPITATION (IN) YESTERDAY 0.00 0.20 1977 0.10 -0.10 T MONTH TO DATE 4.17 1.90 2.27 2.31 SINCE DEC 1 4.17 1.90 2.27 2.31 SINCE JAN 1 65.31 40.63 24.68 36.88 SNOWFALL (IN) YESTERDAY 0.0 3.1 2000 0.1 -0.1 0.0 MONTH TO DATE 11.4 1.0 10.4 6.2 SINCE DEC 1 11.4 1.0 10.4 6.2 SINCE JUL 1 11.4 1.9 9.5 6.2 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 36 29 7 22 MONTH TO DATE 583 513 70 645 SINCE DEC 1 583 513 70 645 SINCE JUL 1 1409 1490 -81 1627 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 13 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 5.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 88 M400 AM LOWEST 58 M200 AM AVERAGE 73 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 45 64 1988 MINIMUM TEMPERATURE (F) 25 8 1991 SUNRISE AND SUNSET DECEMBER 20 2003......SUNRISE 724 AM EST SUNSET 450 PM EST DECEMBER 21 2003......SUNRISE 725 AM EST SUNSET 451 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$