738 CDUS41 KLWX 212123 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 523 PM EDT SUN JUL 21 2013 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 21 2013... VALID TODAY AS OF 0500 PM LOCAL TIME. CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1962 TO 2013 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) TODAY MAXIMUM 90 104 PM 101 1991 88 2 69 MINIMUM 71 523 AM 48 1966 66 5 65 AVERAGE 81 77 4 67 PRECIPITATION (IN) TODAY 0.11 1.15 1973 0.11 0.00 0.13 MONTH TO DATE 5.88 2.46 3.42 2.42 SINCE JUN 1 10.52 6.44 4.08 4.21 SINCE JAN 1 24.51 23.26 1.25 17.02 SNOWFALL (IN) TODAY 0.0 MM MM 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 TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 0 15 -15 9 SINCE JUL 1 0 0 0 0 COOLING TODAY 16 12 4 2 MONTH TO DATE 327 247 80 345 SINCE JUN 1 583 484 99 568 SINCE JAN 1 722 576 146 742 .................................................................. WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 4.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. THUNDERSTORM LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 87 400 AM LOWEST 50 1200 PM AVERAGE 69 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 105 2011 MINIMUM TEMPERATURE (F) 66 50 1974 SUNRISE AND SUNSET JULY 21 2013..........SUNRISE 601 AM EDT SUNSET 831 PM EDT JULY 22 2013..........SUNRISE 602 AM EDT SUNSET 830 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$