000 CDUS41 KLWX 190532 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1230 AM EST MON DEC 19 2005 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 18 2005... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1962 TO 2005 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 45 346 PM 69 1984 45 0 47 MINIMUM 27 918 PM 3 1989 25 2 21 AVERAGE 36 35 1 34 PRECIPITATION (IN) YESTERDAY 0.00 2.92 1977 0.10 -0.10 0.00 MONTH TO DATE 2.14 1.80 0.34 1.69 SINCE DEC 1 2.14 1.80 0.34 1.69 SINCE JAN 1 43.77 40.53 3.24 37.39 SNOWFALL (IN) YESTERDAY 0.0 1.0 1963 0.1 -0.1 0.0 MONTH TO DATE 5.7 0.9 4.8 0.0 SINCE DEC 1 5.7 0.9 4.8 0.0 SINCE JUL 1 6.0 1.8 4.2 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 29 29 0 31 MONTH TO DATE 602 484 118 419 SINCE DEC 1 602 484 118 419 SINCE JUL 1 1341 1461 -120 1224 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1373 1075 298 1201 .................................................................. WIND (MPH) HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 1.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 85 200 AM LOWEST 40 200 PM AVERAGE 63 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 45 63 1967 MINIMUM TEMPERATURE (F) 25 -2 1989 SUNRISE AND SUNSET DECEMBER 19 2005......SUNRISE 724 AM EST SUNSET 450 PM EST DECEMBER 20 2005......SUNRISE 724 AM EST SUNSET 451 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$