571 CDUS41 KLWX 140535 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 134 AM EDT WED APR 14 2004 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 13 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 49 331 PM 87 1977 65 -16 65 MINIMUM 42 609 AM 24 1990 39 3 36 AVERAGE 46 52 -6 51 PRECIPITATION (IN) YESTERDAY 0.34 0.93 1972 0.10 0.24 0.00 MONTH TO DATE 3.51 1.36 2.15 1.60 SINCE MAR 1 5.56 4.91 0.65 5.31 SINCE JAN 1 8.90 10.73 -1.83 14.27 SNOWFALL (IN) YESTERDAY 0.0 T 1966 0.0 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 19 13 6 14 MONTH TO DATE 237 189 48 203 SINCE MAR 1 811 859 -48 844 SINCE JUL 1 4536 4592 -56 4888 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 18 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 6.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN RAIN LIGHT RAIN FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 M200 AM LOWEST 92 1200 AM AVERAGE 96 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 84 1967 MINIMUM TEMPERATURE (F) 40 20 1975 SUNRISE AND SUNSET APRIL 14 2004.........SUNRISE 634 AM EDT SUNSET 746 PM EDT APRIL 15 2004.........SUNRISE 633 AM EDT SUNSET 747 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$