000 CDUS41 KLWX 310519 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 118 AM EDT TUE JUL 31 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 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 89 343 PM 98 1988 88 1 94 MINIMUM 70 1146 PM 51 1981 64 6 73 AVERAGE 80 76 4 84 PRECIPITATION (IN) YESTERDAY 0.09 0.66 1970 0.12 -0.03 0.00 MONTH TO DATE 1.75 3.45 -1.70 2.45 SINCE JUN 1 4.67 7.52 -2.85 14.24 SINCE JAN 1 15.97 24.33 -8.36 25.75 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 1 -1 0 SINCE JUN 1 3 22 -19 4 SINCE JUL 1 0 1 -1 0 COOLING YESTERDAY 15 11 4 19 MONTH TO DATE 374 334 40 410 SINCE JUN 1 665 537 128 649 SINCE JAN 1 816 612 204 731 .................................................................. WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (170) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 3.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 200 AM LOWEST 50 300 PM AVERAGE 72 .......................................................... 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 2007..........SUNRISE 609 AM EDT SUNSET 822 PM EDT AUGUST 1 2007........SUNRISE 610 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. $$