000 CDUS41 KLWX 180517 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1217 AM EST SUN NOV 18 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR NOVEMBER 17 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 52 246 PM 75 1963 56 -4 59 MINIMUM 31 238 AM 17 1976 34 -3 41 AVERAGE 42 45 -3 50 PRECIPITATION (IN) YESTERDAY 0.00 1.03 1987 0.11 -0.11 0.00 MONTH TO DATE 1.31 1.88 -0.57 4.35 SINCE SEP 1 6.23 9.07 -2.84 16.29 SINCE JAN 1 23.87 37.30 -13.43 43.28 SNOWFALL (IN) YESTERDAY 0.0 0.0 0.0 MONTH TO DATE 0.0 T 0.0 SINCE JUL 1 0.0 0.1 -0.1 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 23 20 3 15 MONTH TO DATE 310 300 10 231 SINCE SEP 1 480 683 -203 607 SINCE JUL 1 480 688 -208 607 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 1 SINCE SEP 1 328 147 181 95 SINCE JAN 1 1593 1072 521 1256 .................................................................. WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 4.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 75 600 AM LOWEST 32 200 PM AVERAGE 54 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 76 1963 MINIMUM TEMPERATURE (F) 33 20 1991 1973 SUNRISE AND SUNSET NOVEMBER 18 2007......SUNRISE 656 AM EST SUNSET 454 PM EST NOVEMBER 19 2007......SUNRISE 657 AM EST SUNSET 453 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$