000 CDUS41 KLWX 110528 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 128 AM EDT TUE SEP 11 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 10 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 91 332 PM 99 1983 81 10 82 MINIMUM 71 422 AM 43 1981 58 13 60 AVERAGE 81 69 12 71 PRECIPITATION (IN) YESTERDAY 0.53 1.50 1968 0.13 0.40 0.00 MONTH TO DATE 0.53 1.30 -0.77 5.33 SINCE SEP 1 0.53 1.30 -0.77 5.33 SINCE JAN 1 18.17 29.53 -11.36 32.32 SNOWFALL (IN) YESTERDAY 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 1 -1 0 MONTH TO DATE 0 4 -4 3 SINCE SEP 1 0 4 -4 3 SINCE JUL 1 0 9 -9 3 COOLING YESTERDAY 16 5 11 6 MONTH TO DATE 127 62 65 43 SINCE SEP 1 127 62 65 43 SINCE JAN 1 1392 987 405 1204 .................................................................. WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION E (90) AVERAGE WIND SPEED 4.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 87 1100 PM LOWEST 41 300 PM AVERAGE 64 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 99 1983 MINIMUM TEMPERATURE (F) 58 40 1976 SUNRISE AND SUNSET SEPTEMBER 11 2007.....SUNRISE 647 AM EDT SUNSET 725 PM EDT SEPTEMBER 12 2007.....SUNRISE 648 AM EDT SUNSET 723 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$