000 CDUS41 KLWX 110523 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 122 AM EDT SAT OCT 11 2008 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 10 2008... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1962 TO 2008 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 77 301 PM 85 1985 70 7 83 MINIMUM 51 1151 PM 31 1978 44 7 62 1972 AVERAGE 64 57 7 73 PRECIPITATION (IN) YESTERDAY 0.00 1.95 1971 0.11 -0.11 0.00 MONTH TO DATE 0.19 1.12 -0.93 T SINCE SEP 1 7.37 4.94 2.43 1.40 SINCE JAN 1 38.25 33.17 5.08 19.04 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 1 9 -8 0 MONTH TO DATE 51 72 -21 1 SINCE SEP 1 75 132 -57 29 SINCE JUL 1 75 137 -62 29 COOLING YESTERDAY 0 1 -1 8 MONTH TO DATE 4 13 -9 89 SINCE SEP 1 164 145 19 309 SINCE JAN 1 1158 1070 88 1574 .................................................................. WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (40) AVERAGE WIND SPEED 2.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1200 AM LOWEST 33 100 PM AVERAGE 67 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 70 78 2001 1995 1980 MINIMUM TEMPERATURE (F) 44 28 1972 SUNRISE AND SUNSET OCTOBER 11 2008.......SUNRISE 716 AM EDT SUNSET 636 PM EDT OCTOBER 12 2008.......SUNRISE 717 AM EDT SUNSET 635 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$