220 CDUS41 KLWX 180524 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 124 AM EDT SUN OCT 18 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 17 2020... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1960 TO 2020 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 62 3:56 PM 84 2016 68 -6 58 MINIMUM 37 6:48 AM 31 1981 43 -6 49 1982 AVERAGE 50 56 -6 54 PRECIPITATION (IN) YESTERDAY 0.00 1.11 1975 0.10 -0.10 0.00 MONTH TO DATE 1.33 1.78 -0.45 1.14 SINCE SEP 1 3.61 5.70 -2.09 1.55 SINCE JAN 1 37.83 33.70 4.13 31.39 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 SEP 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 15 10 5 11 MONTH TO DATE 107 130 -23 72 SINCE SEP 1 168 186 -18 77 SINCE JUL 1 168 188 -20 77 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 4 16 -12 48 SINCE SEP 1 139 157 -18 286 SINCE JAN 1 1391 1173 218 1521 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (350) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (350) AVERAGE WIND SPEED 2.4 SKY COVER AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 97 7:00 AM LOWEST 27 5:00 PM AVERAGE 62 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 68 85 2016 MINIMUM TEMPERATURE (F) 43 27 1976 1982 SUNRISE AND SUNSET OCTOBER 18 2020.......SUNRISE 7:23 AM EDT SUNSET 6:26 PM EDT OCTOBER 19 2020.......SUNRISE 7:24 AM EDT SUNSET 6:25 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$