000 CDUS41 KLWX 250604 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 103 AM EST TUE DEC 25 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 24 2007... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1962 TO 2007 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 50 319 PM 66 1982 44 6 52 MINIMUM 27 656 AM 1 1983 24 3 31 AVERAGE 39 34 5 42 PRECIPITATION (IN) YESTERDAY 0.00 2.01 1986 0.09 -0.09 0.00 MONTH TO DATE 2.35 2.38 -0.03 1.07 SINCE DEC 1 2.35 2.38 -0.03 1.07 SINCE JAN 1 27.38 41.11 -13.73 45.31 SNOWFALL (IN) YESTERDAY 0.0 0.1 -0.1 MONTH TO DATE 2.5 1.5 1.0 SINCE JUL 1 2.5 2.4 0.1 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 26 31 -5 23 MONTH TO DATE 644 664 -20 537 SINCE DEC 1 644 664 -20 537 SINCE JUL 1 1373 1641 -268 1398 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1593 1075 518 1256 .................................................................. WIND (MPH) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION S (160) AVERAGE WIND SPEED 6.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 78 700 AM LOWEST 32 300 PM AVERAGE 55 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 43 71 1982 1964 MINIMUM TEMPERATURE (F) 24 -4 1989 SUNRISE AND SUNSET DECEMBER 25 2007......SUNRISE 727 AM EST SUNSET 453 PM EST DECEMBER 26 2007......SUNRISE 727 AM EST SUNSET 454 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$