000 CDUS41 KLWX 310541 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 139 AM EDT MON JUL 31 2006 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 30 2006... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1962 TO 2006 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 94 424 PM 98 1988 88 6 84 MINIMUM 73 305 AM 51 1981 64 9 69 AVERAGE 84 76 8 77 PRECIPITATION (IN) YESTERDAY 0.00 0.66 1970 0.12 -0.12 0.00 MONTH TO DATE 2.45 3.45 -1.00 7.85 SINCE JUN 1 14.24 7.52 6.72 9.77 SINCE JAN 1 25.75 24.33 1.42 27.45 SNOWFALL (IN) YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0 2001 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE JUN 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 1 -1 0 SINCE JUN 1 4 22 -18 9 SINCE JUL 1 0 1 -1 0 COOLING YESTERDAY 19 11 8 12 MONTH TO DATE 410 334 76 399 SINCE JUN 1 649 537 112 672 SINCE JAN 1 731 612 119 700 .................................................................. WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 5.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 300 AM LOWEST 41 300 PM AVERAGE 64 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 98 1999 MINIMUM TEMPERATURE (F) 64 50 1997 SUNRISE AND SUNSET JULY 31 2006..........SUNRISE 610 AM EDT SUNSET 822 PM EDT AUGUST 1 2006........SUNRISE 611 AM EDT SUNSET 821 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$