000 CDUS41 KLWX 130534 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1233 AM EST TUE DEC 13 2005 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 12 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 37 1248 PM 72 1979 47 -10 49 MINIMUM 27 1157 PM 9 1988 27 0 39 AVERAGE 32 37 -5 44 PRECIPITATION (IN) YESTERDAY 0.00 0.95 1964 0.10 -0.10 0.00 MONTH TO DATE 0.96 1.20 -0.24 1.69 SINCE DEC 1 0.96 1.20 -0.24 1.69 SINCE JAN 1 42.59 39.93 2.66 37.39 SNOWFALL (IN) YESTERDAY 0.0 10.6 1982 0.1 -0.1 0.0 MONTH TO DATE 4.6 0.3 4.3 0.0 SINCE DEC 1 4.6 0.3 4.3 0.0 SINCE JUL 1 4.9 1.2 3.7 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 33 28 5 21 MONTH TO DATE 396 313 83 237 SINCE DEC 1 396 313 83 237 SINCE JUL 1 1135 1290 -155 1042 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 15 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (360) AVERAGE WIND SPEED 8.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 78 100 AM LOWEST 47 300 PM AVERAGE 63 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 47 71 1984 MINIMUM TEMPERATURE (F) 26 7 1988 SUNRISE AND SUNSET DECEMBER 13 2005......SUNRISE 720 AM EST SUNSET 448 PM EST DECEMBER 14 2005......SUNRISE 721 AM EST SUNSET 448 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$