000 CDUS41 KLWX 181629 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1228 PM EDT WED AUG 18 2004 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 17 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 83 210 PM 101 1988 86 -3 84 MINIMUM 70 1159 PM 44 1979 63 7 68 AVERAGE 77 74 3 76 PRECIPITATION (IN) YESTERDAY 0.00 3.32 1997 0.12 -0.12 0.10 MONTH TO DATE 3.67 2.02 1.65 3.53 SINCE JUN 1 11.13 9.66 1.47 17.92 SINCE JAN 1 24.62 26.47 -1.85 42.01 SNOWFALL (IN) YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0 2001 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE JUN 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 2 0 2 0 SINCE JUN 1 14 22 -8 31 SINCE JUL 1 2 1 1 0 COOLING YESTERDAY 12 10 2 11 MONTH TO DATE 136 181 -45 203 SINCE JUN 1 677 729 -52 696 SINCE JAN 1 917 804 113 726 .................................................................. WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 3.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 97 300 AM LOWEST 51 1200 PM AVERAGE 74 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 97 2002 MINIMUM TEMPERATURE (F) 63 45 1981 SUNRISE AND SUNSET AUGUST 18 2004........SUNRISE 626 AM EDT SUNSET 800 PM EDT AUGUST 19 2004........SUNRISE 627 AM EDT SUNSET 759 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$