000 CDUS41 KLWX 280521 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 120 AM EDT FRI SEP 28 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 27 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 90 133 PM 96 1998 75 15 75 MINIMUM 66 607 AM 35 1984 51 15 51 AVERAGE 78 63 15 63 PRECIPITATION (IN) YESTERDAY 0.59 1.55 1985 0.12 0.47 0.00 MONTH TO DATE 1.40 3.46 -2.06 6.42 SINCE SEP 1 1.40 3.46 -2.06 6.42 SINCE JAN 1 19.04 31.69 -12.65 33.41 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 4 -4 2 MONTH TO DATE 26 45 -19 35 SINCE SEP 1 26 45 -19 35 SINCE JUL 1 26 50 -24 35 COOLING YESTERDAY 13 2 11 0 MONTH TO DATE 215 126 89 78 SINCE SEP 1 215 126 89 78 SINCE JAN 1 1480 1051 429 1239 .................................................................. WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (140) AVERAGE WIND SPEED 4.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 87 600 AM LOWEST 43 1200 PM AVERAGE 65 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 86 1998 MINIMUM TEMPERATURE (F) 50 34 1989 SUNRISE AND SUNSET SEPTEMBER 28 2007.....SUNRISE 703 AM EDT SUNSET 658 PM EDT SEPTEMBER 29 2007.....SUNRISE 704 AM EDT SUNSET 656 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$