000 CDUS41 KLWX 200546 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1245 AM EST WED DEC 20 2006 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 19 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 51 309 PM 63 1967 45 6 39 MINIMUM 33 1157 PM -2 1989 25 8 24 AVERAGE 42 35 7 32 PRECIPITATION (IN) YESTERDAY 0.00 0.86 1995 0.10 -0.10 0.00 MONTH TO DATE 0.16 1.90 -1.74 2.14 SINCE DEC 1 0.16 1.90 -1.74 2.14 SINCE JAN 1 44.40 40.63 3.77 43.77 SNOWFALL (IN) YESTERDAY 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 23 29 -6 33 MONTH TO DATE 430 513 -83 635 SINCE DEC 1 430 513 -83 635 SINCE JUL 1 1291 1490 -199 1374 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1256 1075 181 1373 .................................................................. WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (340) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340) AVERAGE WIND SPEED 7.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 59 1000 PM LOWEST 32 300 PM AVERAGE 46 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 45 64 1988 MINIMUM TEMPERATURE (F) 25 8 1991 SUNRISE AND SUNSET DECEMBER 20 2006......SUNRISE 724 AM EST SUNSET 450 PM EST DECEMBER 21 2006......SUNRISE 725 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. $$