000 CDUS41 KLWX 170534 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1234 AM EST SAT DEC 17 2005 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 16 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 45 329 PM 72 1971 46 -1 46 MINIMUM 31 934 PM 10 1989 26 5 17 AVERAGE 38 36 2 32 PRECIPITATION (IN) YESTERDAY 0.11 0.99 1974 0.10 0.01 0.00 MONTH TO DATE 2.14 1.60 0.54 1.69 SINCE DEC 1 2.14 1.60 0.54 1.69 SINCE JAN 1 43.77 40.33 3.44 37.39 SNOWFALL (IN) YESTERDAY 0.0 5.2 1973 0.1 -0.1 0.0 MONTH TO DATE 5.7 0.7 5.0 0.0 SINCE DEC 1 5.7 0.7 5.0 0.0 SINCE JUL 1 6.0 1.6 4.4 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 27 29 -2 33 MONTH TO DATE 544 426 118 361 SINCE DEC 1 544 426 118 361 SINCE JUL 1 1283 1403 -120 1166 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 (330) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 7.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1200 AM LOWEST 53 300 PM AVERAGE 77 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 45 70 1984 MINIMUM TEMPERATURE (F) 26 3 1989 SUNRISE AND SUNSET DECEMBER 17 2005......SUNRISE 723 AM EST SUNSET 449 PM EST DECEMBER 18 2005......SUNRISE 723 AM EST SUNSET 450 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$