000 CDUS41 KLWX 180546 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 143 AM EDT MON SEP 18 2006 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 17 2006... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1962 TO 2006 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 81 357 PM 97 1991 79 2 90 MINIMUM 57 520 AM 35 1986 56 1 66 AVERAGE 69 67 2 78 PRECIPITATION (IN) YESTERDAY 0.00 1.71 2004 0.13 -0.13 0.00 MONTH TO DATE 6.42 2.21 4.21 0.01 SINCE SEP 1 6.42 2.21 4.21 0.01 SINCE JAN 1 33.41 30.44 2.97 29.78 SNOWFALL (IN) YESTERDAY 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 2 -2 0 MONTH TO DATE 5 14 -9 0 SINCE SEP 1 5 14 -9 0 SINCE JUL 1 5 19 -14 0 COOLING YESTERDAY 4 4 0 13 MONTH TO DATE 52 94 -42 145 SINCE SEP 1 52 94 -42 145 SINCE JAN 1 1213 1019 194 1256 .................................................................. WIND (MPH) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 2.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 300 AM LOWEST 51 200 PM AVERAGE 76 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 91 1978 MINIMUM TEMPERATURE (F) 55 37 1990 SUNRISE AND SUNSET SEPTEMBER 18 2006.....SUNRISE 654 AM EDT SUNSET 713 PM EDT SEPTEMBER 19 2006.....SUNRISE 655 AM EDT SUNSET 712 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$