506 CDUS41 KLWX 110546 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 138 AM EDT SUN APR 11 2004 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 10 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 64 515 PM 78 1992 64 0 55 MINIMUM 37 610 AM 19 1985 39 -2 41 AVERAGE 51 51 0 48 PRECIPITATION (IN) YESTERDAY 0.00 0.84 1983 0.10 -0.10 0.06 MONTH TO DATE 1.71 1.06 0.65 1.32 SINCE MAR 1 3.76 4.61 -0.85 5.03 SINCE JAN 1 7.10 10.43 -3.33 13.99 SNOWFALL (IN) YESTERDAY 0.0 T 1973 T 0.0 0.0 MONTH TO DATE 0.0 0.4 -0.4 T SINCE MAR 1 T 3.8 -3.8 1.9 SINCE JUL 1 17.4 21.2 -3.8 50.1 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 14 14 0 17 MONTH TO DATE 180 150 30 161 SINCE MAR 1 754 820 -66 802 SINCE JUL 1 4479 4553 -74 4846 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 4 -4 0 SINCE JAN 1 0 4 -4 0 .................................................................. WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 4.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 82 M700 AM LOWEST 30 1100 AM AVERAGE 56 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 65 87 1977 MINIMUM TEMPERATURE (F) 39 25 1971 SUNRISE AND SUNSET APRIL 11 2004.........SUNRISE 639 AM EDT SUNSET 743 PM EDT APRIL 12 2004.........SUNRISE 637 AM EDT SUNSET 744 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$