000 CDUS41 KLWX 010518 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 117 AM EDT MON OCT 1 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 30 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 78 348 PM 92 1986 74 4 66 MINIMUM 48 608 AM 35 1993 49 -1 43 AVERAGE 63 62 1 55 PRECIPITATION (IN) YESTERDAY 0.00 0.86 1976 0.12 -0.12 0.03 MONTH TO DATE 1.40 3.82 -2.42 7.12 SINCE SEP 1 1.40 3.82 -2.42 7.12 SINCE JAN 1 19.04 32.05 -13.01 34.11 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 2 5 -3 10 MONTH TO DATE 28 60 -32 54 SINCE SEP 1 28 60 -32 54 SINCE JUL 1 28 65 -37 54 COOLING YESTERDAY 0 2 -2 0 MONTH TO DATE 220 132 88 80 SINCE SEP 1 220 132 88 80 SINCE JAN 1 1485 1057 428 1241 .................................................................. WIND (MPH) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (150) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 2.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 500 AM LOWEST 32 200 PM AVERAGE 63 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 90 1986 MINIMUM TEMPERATURE (F) 49 31 1993 SUNRISE AND SUNSET OCTOBER 1 2007.......SUNRISE 705 AM EDT SUNSET 653 PM EDT OCTOBER 2 2007.......SUNRISE 706 AM EDT SUNSET 651 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$