674 CDUS41 KLWX 200531 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1229 AM EST TUE JAN 20 2004 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 19 2004... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1962 TO 2004 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 29 323 PM 65 1972 41 -12 34 MINIMUM 21 1159 PM -6 1994 21 0 11 AVERAGE 25 31 -6 23 PRECIPITATION (IN) YESTERDAY 0.00 1.36 1987 0.10 -0.10 0.00 MONTH TO DATE 0.85 1.90 -1.05 2.51 SINCE DEC 1 5.42 4.97 0.45 6.12 SINCE JAN 1 0.85 1.90 -1.05 2.51 SNOWFALL (IN) YESTERDAY 0.0 4.3 1978 0.3 -0.3 0.0 MONTH TO DATE 0.4 4.5 -4.1 4.5 SINCE DEC 1 11.8 6.7 5.1 12.7 SINCE JUL 1 11.8 7.6 4.2 12.7 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 40 34 6 42 MONTH TO DATE 621 627 -6 648 SINCE DEC 1 1512 1511 1 1620 SINCE JUL 1 2338 2488 -150 2602 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 0 0 0 0 .................................................................. WIND (MPH) HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 14.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 57 M800 AM LOWEST 40 M500 PM AVERAGE 49 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 41 57 1991 MINIMUM TEMPERATURE (F) 21 -7 1985 SUNRISE AND SUNSET JANUARY 20 2004.......SUNRISE 725 AM EST SUNSET 517 PM EST JANUARY 21 2004.......SUNRISE 725 AM EST SUNSET 518 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$