630 CDUS41 KLWX 100552 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 149 AM EDT MON MAY 10 2004 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 9 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 86 MM 91 1963 73 13 66 MINIMUM 52 MM 30 1976 48 4 58 AVERAGE 69 60 9 62 PRECIPITATION (IN) YESTERDAY 0.19 0.93 1974 0.13 0.06 0.32 MONTH TO DATE 1.27 1.15 0.12 1.56 SINCE MAR 1 8.37 7.92 0.45 7.98 SINCE JAN 1 11.71 13.74 -2.03 16.94 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 3 MONTH TO DATE 42 60 -18 46 SINCE MAR 1 952 1092 -140 1034 SINCE JUL 1 4677 4825 -148 5078 COOLING YESTERDAY 4 1 3 0 MONTH TO DATE 17 9 8 13 SINCE MAR 1 54 24 30 21 SINCE JAN 1 54 24 30 21 .................................................................. WIND (MPH) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 6.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 M600 AM LOWEST 44 M300 PM AVERAGE 70 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 90 1963 MINIMUM TEMPERATURE (F) 48 31 1983 SUNRISE AND SUNSET MAY 10 2004...........SUNRISE 601 AM EDT SUNSET 811 PM EDT MAY 11 2004...........SUNRISE 600 AM EDT SUNSET 812 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$