137 CDUS41 KLWX 170524 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 124 AM EDT SAT OCT 17 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 16 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 68 12:55 AM 85 1989 68 0 62 MINIMUM 45 11:59 PM 30 1986 44 1 47 AVERAGE 57 56 1 55 PRECIPITATION (IN) YESTERDAY 0.01 1.10 2002 0.10 -0.09 1.04 MONTH TO DATE 1.33 1.68 -0.35 1.14 SINCE SEP 1 3.61 5.60 -1.99 1.55 SINCE JAN 1 37.83 33.60 4.23 31.39 SNOWFALL (IN) YESTERDAY 0.0 T 1977 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 8 10 -2 10 MONTH TO DATE 92 120 -28 61 SINCE SEP 1 153 176 -23 66 SINCE JUL 1 153 178 -25 66 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 18 HIGHEST WIND DIRECTION N (360) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (340) AVERAGE WIND SPEED 10.2 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 84 12:00 AM LOWEST 44 3:00 PM AVERAGE 64 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 68 84 2016 MINIMUM TEMPERATURE (F) 43 31 1981 1982 SUNRISE AND SUNSET OCTOBER 17 2020.......SUNRISE 7:22 AM EDT SUNSET 6:28 PM EDT OCTOBER 18 2020.......SUNRISE 7:23 AM EDT SUNSET 6:26 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$