000 CDUS41 KLWX 230538 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1237 AM EST THU DEC 23 2004 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 22 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 60 333 PM 67 1984 44 16 57 MINIMUM 26 457 AM 2 1989 25 1 31 AVERAGE 43 34 9 44 PRECIPITATION (IN) YESTERDAY 0.00 0.94 1983 0.10 -0.10 0.00 MONTH TO DATE 1.70 2.20 -0.50 4.17 SINCE DEC 1 1.70 2.20 -0.50 4.17 SINCE JAN 1 37.40 40.93 -3.53 65.31 SNOWFALL (IN) YESTERDAY 0.0 2.0 1969 0.1 -0.1 0.0 MONTH TO DATE T 1.3 -1.3 11.4 SINCE DEC 1 T 1.3 -1.3 11.4 SINCE JUL 1 T 2.2 -2.2 11.4 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 22 30 -8 21 MONTH TO DATE 557 603 -46 672 SINCE DEC 1 557 603 -46 672 SINCE JUL 1 1362 1580 -218 1498 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 21 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 6.2 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 78 300 AM LOWEST 27 300 PM AVERAGE 53 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 44 68 1990 MINIMUM TEMPERATURE (F) 24 4 1989 SUNRISE AND SUNSET DECEMBER 23 2004......SUNRISE 726 AM EST SUNSET 452 PM EST DECEMBER 24 2004......SUNRISE 726 AM EST SUNSET 453 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$