000 CDUS41 KLWX 050539 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1230 AM EST SUN DEC 5 2004 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 4 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 49 251 PM 75 1998 50 -1 37 MINIMUM 24 716 AM 10 1966 29 -5 24 AVERAGE 37 39 -2 31 PRECIPITATION (IN) YESTERDAY 0.00 1.18 1993 0.10 -0.10 0.14 MONTH TO DATE 0.41 0.40 0.01 0.14 SINCE DEC 1 0.41 0.40 0.01 0.14 SINCE JAN 1 36.11 39.13 -3.02 61.28 SNOWFALL (IN) YESTERDAY 0.0 T 1983 T 0.0 1.0 MONTH TO DATE 0.0 MM MM 1.0 SINCE DEC 1 0.0 MM MM 1.0 SINCE JUL 1 0.0 0.9 -0.9 1.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 28 25 3 34 MONTH TO DATE 98 99 -1 118 SINCE DEC 1 98 99 -1 118 SINCE JUL 1 903 1076 -173 944 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 17 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 6.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 88 500 AM LOWEST 39 200 PM AVERAGE 64 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 49 77 2001 MINIMUM TEMPERATURE (F) 29 12 1966 SUNRISE AND SUNSET DECEMBER 5 2004......SUNRISE 714 AM EST SUNSET 447 PM EST DECEMBER 6 2004......SUNRISE 715 AM EST SUNSET 447 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$