000 CDUS41 KLWX 120542 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 142 AM EDT SAT MAY 12 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 11 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 85 447 PM 90 1993 73 12 69 MINIMUM 63 1132 PM 29 1966 48 15 53 AVERAGE 74 61 13 61 PRECIPITATION (IN) YESTERDAY T 0.78 2006 0.14 -0.14 0.78 MONTH TO DATE 0.05 1.42 -1.37 1.03 SINCE MAR 1 6.36 8.19 -1.83 5.96 SINCE JAN 1 11.01 14.01 -3.00 10.74 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 5 -5 4 MONTH TO DATE 50 71 -21 50 SINCE MAR 1 1022 1103 -81 871 SINCE JUL 1 4398 4863 -465 4099 COOLING YESTERDAY 9 1 8 0 MONTH TO DATE 27 11 16 8 SINCE MAR 1 50 26 24 20 SINCE JAN 1 50 26 24 20 .................................................................. WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (90) AVERAGE WIND SPEED 4.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 300 AM LOWEST 37 200 PM AVERAGE 65 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 89 1991 1982 MINIMUM TEMPERATURE (F) 49 34 1969 SUNRISE AND SUNSET MAY 12 2007...........SUNRISE 600 AM EDT SUNSET 813 PM EDT MAY 13 2007...........SUNRISE 559 AM EDT SUNSET 814 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$