751 CDUS41 KLWX 310536 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1234 AM EST SAT JAN 31 2004 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 30 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 28 203 PM 70 2002 42 -14 34 MINIMUM 17 1159 PM 2 1965 22 -5 30 AVERAGE 23 32 -9 32 PRECIPITATION (IN) YESTERDAY T 0.37 1968 0.09 -0.09 T MONTH TO DATE 1.41 2.96 -1.55 2.53 SINCE DEC 1 5.98 6.03 -0.05 6.14 SINCE JAN 1 1.41 2.96 -1.55 2.53 SNOWFALL (IN) YESTERDAY T 6.3 2000 0.3 -0.3 T MONTH TO DATE 6.0 7.8 -1.8 5.1 SINCE DEC 1 17.4 10.0 7.4 13.3 SINCE JUL 1 17.4 10.9 6.5 13.3 SNOW DEPTH 3 DEGREE DAYS HEATING YESTERDAY 42 33 9 33 MONTH TO DATE 1092 992 100 1094 SINCE DEC 1 1983 1876 107 2066 SINCE JUL 1 2809 2853 -44 3048 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 22 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 10.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT SNOW RELATIVE HUMIDITY (PERCENT) HIGHEST 74 M700 AM LOWEST 37 M400 PM AVERAGE 56 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 42 65 1993 MINIMUM TEMPERATURE (F) 22 -7 1965 SUNRISE AND SUNSET JANUARY 31 2004.......SUNRISE 717 AM EST SUNSET 529 PM EST FEBRUARY 1 2004......SUNRISE 717 AM EST SUNSET 530 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$