000 CDUS41 KLWX 180531 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 130 AM EDT THU AUG 18 2005 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 17 2005... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1962 TO 2005 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 86 329 PM 101 1988 86 0 83 MINIMUM 66 632 AM 44 1979 63 3 61 AVERAGE 76 74 2 72 PRECIPITATION (IN) YESTERDAY 0.01 3.32 1997 0.12 -0.11 0.00 MONTH TO DATE 1.42 2.02 -0.60 3.67 SINCE JUN 1 11.19 9.66 1.53 11.13 SINCE JAN 1 28.87 26.47 2.40 24.62 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 0 0 2 SINCE JUN 1 9 22 -13 14 SINCE JUL 1 0 1 -1 2 COOLING YESTERDAY 11 10 1 7 MONTH TO DATE 258 181 77 131 SINCE JUN 1 940 729 211 672 SINCE JAN 1 968 804 164 912 .................................................................. WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 5.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 300 AM LOWEST 45 300 PM AVERAGE 69 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 97 2002 MINIMUM TEMPERATURE (F) 63 45 1981 SUNRISE AND SUNSET AUGUST 18 2005........SUNRISE 626 AM EDT SUNSET 800 PM EDT AUGUST 19 2005........SUNRISE 627 AM EDT SUNSET 759 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$