000 CDUS41 KLWX 310530 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 130 AM EDT FRI AUG 31 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 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 88 334 PM 99 1991 84 4 81 MINIMUM 69 1211 AM 41 1986 61 8 69 AVERAGE 79 72 7 75 PRECIPITATION (IN) YESTERDAY 0.00 1.21 1978 0.13 -0.13 0.03 MONTH TO DATE 1.67 3.65 -1.98 1.24 SINCE JUN 1 6.34 11.29 -4.95 15.48 SINCE JAN 1 17.64 28.10 -10.46 26.99 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 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 3 22 -19 4 SINCE JUL 1 0 1 -1 0 COOLING YESTERDAY 14 8 6 10 MONTH TO DATE 420 295 125 404 SINCE JUN 1 1100 843 257 1072 SINCE JAN 1 1251 918 333 1154 .................................................................. WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 5.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 79 1100 PM LOWEST 47 1100 AM AVERAGE 63 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 83 98 1991 MINIMUM TEMPERATURE (F) 61 43 1976 SUNRISE AND SUNSET AUGUST 31 2007........SUNRISE 637 AM EDT SUNSET 742 PM EDT SEPTEMBER 1 2007.....SUNRISE 638 AM EDT SUNSET 741 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$