470 CDUS41 KLWX 110531 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 129 AM EDT FRI JUL 11 2003 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 10 2003... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1962 TO 2003 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 79 339 PM 99 1993 87 -8 83 MINIMUM 67 708 AM 53 1963 64 3 70 AVERAGE 73 76 -3 77 PRECIPITATION (IN) YESTERDAY 1.41 1.63 1995 0.12 1.29 0.03 MONTH TO DATE 3.47 1.20 2.27 0.07 SINCE JUN 1 11.81 5.27 6.54 3.68 SINCE JAN 1 35.90 22.08 13.82 17.05 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 0.0 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 31 22 9 2 SINCE JUL 1 0 1 -1 0 COOLING YESTERDAY 8 11 -3 12 MONTH TO DATE 122 103 19 138 SINCE JUN 1 287 306 -19 375 SINCE JAN 1 317 381 -64 503 .................................................................. WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 6.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 700 AM LOWEST 82 300 PM AVERAGE 91 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 87 98 1988 MINIMUM TEMPERATURE (F) 64 52 1983 SUNRISE AND SUNSET JULY 11 2003..........SUNRISE 554 AM EDT SUNSET 837 PM EDT JULY 12 2003..........SUNRISE 554 AM EDT SUNSET 836 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT.