142 CDUS41 KLWX 110535 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 133 AM EDT TUE MAY 11 2004 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 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 88 259 PM 90 1963 73 15 68 MINIMUM 58 537 AM 31 1983 48 10 59 AVERAGE 73 60 13 64 PRECIPITATION (IN) YESTERDAY 0.00 1.61 1990 0.13 -0.13 0.53 MONTH TO DATE 1.27 1.28 -0.01 2.09 SINCE MAR 1 8.37 8.05 0.32 8.51 SINCE JAN 1 11.71 13.87 -2.16 17.47 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 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 0 6 -6 1 MONTH TO DATE 42 66 -24 47 SINCE MAR 1 952 1098 -146 1035 SINCE JUL 1 4677 4831 -154 5079 COOLING YESTERDAY 8 1 7 0 MONTH TO DATE 25 10 15 13 SINCE MAR 1 62 25 37 21 SINCE JAN 1 62 25 37 21 .................................................................. WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 4.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 M300 AM LOWEST 39 M300 PM AVERAGE 70 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 90 1993 MINIMUM TEMPERATURE (F) 48 29 1966 SUNRISE AND SUNSET MAY 11 2004...........SUNRISE 600 AM EDT SUNSET 812 PM EDT MAY 12 2004...........SUNRISE 600 AM EDT SUNSET 813 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$