000 CDUS41 KLWX 100538 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 137 AM EDT THU MAY 10 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 9 2007... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1962 TO 2007 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 82 335 PM 91 1963 73 9 70 MINIMUM 53 513 AM 30 1976 48 5 50 AVERAGE 68 60 8 60 PRECIPITATION (IN) YESTERDAY 0.00 0.93 1974 0.13 -0.13 0.00 MONTH TO DATE 0.04 1.15 -1.11 0.25 SINCE MAR 1 6.35 7.92 -1.57 5.18 SINCE JAN 1 11.00 13.74 -2.74 9.96 SNOWFALL (IN) YESTERDAY 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 SINCE AUG 1 14.7 21.2 -6.5 SINCE JUL 1 14.7 21.2 -6.5 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 6 -6 5 MONTH TO DATE 50 60 -10 41 SINCE MAR 1 1022 1092 -70 862 SINCE JUL 1 4398 4852 -454 4090 COOLING YESTERDAY 3 1 2 0 MONTH TO DATE 9 9 0 8 SINCE MAR 1 32 24 8 20 SINCE JAN 1 32 24 8 20 .................................................................. WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (150) AVERAGE WIND SPEED 3.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 200 AM LOWEST 48 600 PM AVERAGE 71 .......................................................... 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 2007...........SUNRISE 602 AM EDT SUNSET 811 PM EDT MAY 11 2007...........SUNRISE 601 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. $$