000 CDUS41 KLWX 210520 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 119 AM EDT SUN OCT 21 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR OCTOBER 20 2007... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1962 TO 2007 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 73 308 PM 83 1969 66 7 67 MINIMUM 50 1155 PM 20 1972 40 10 47 AVERAGE 62 53 9 57 PRECIPITATION (IN) YESTERDAY 0.00 1.27 1976 0.10 -0.10 0.39 MONTH TO DATE 0.35 2.20 -1.85 3.62 SINCE SEP 1 1.75 6.02 -4.27 10.74 SINCE JAN 1 19.39 34.25 -14.86 37.73 SNOWFALL (IN) YESTERDAY 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 3 12 -9 8 MONTH TO DATE 42 175 -133 145 SINCE SEP 1 70 235 -165 199 SINCE JUL 1 70 240 -170 199 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 100 15 85 14 SINCE SEP 1 320 147 173 94 SINCE JAN 1 1585 1072 513 1255 .................................................................. WIND (MPH) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED 5.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 1200 AM LOWEST 29 200 PM AVERAGE 61 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 86 1979 MINIMUM TEMPERATURE (F) 40 22 1972 SUNRISE AND SUNSET OCTOBER 21 2007.......SUNRISE 725 AM EDT SUNSET 623 PM EDT OCTOBER 22 2007.......SUNRISE 726 AM EDT SUNSET 622 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$