083 CDUS41 KLWX 230521 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 121 AM EDT FRI OCT 23 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 22 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 82 3:06 PM 85 1979 66 16 60 MINIMUM 59 4:30 AM 26 1974 42 17 48 AVERAGE 71 54 17 54 PRECIPITATION (IN) YESTERDAY 0.00 0.90 1985 0.10 -0.10 0.38 MONTH TO DATE 1.33 2.29 -0.96 2.96 SINCE SEP 1 3.61 6.21 -2.60 3.37 SINCE JAN 1 37.83 34.21 3.62 33.21 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 0 11 -11 11 MONTH TO DATE 128 183 -55 124 SINCE SEP 1 189 239 -50 129 SINCE JUL 1 189 241 -52 129 COOLING YESTERDAY 6 0 6 0 MONTH TO DATE 14 16 -2 48 SINCE SEP 1 149 157 -8 286 SINCE JAN 1 1401 1173 228 1521 ................................................................... WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (140) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 3.5 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 3:00 AM LOWEST 54 3:00 PM AVERAGE 77 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 85 1978 MINIMUM TEMPERATURE (F) 41 21 1969 SUNRISE AND SUNSET OCTOBER 23 2020.......SUNRISE 7:28 AM EDT SUNSET 6:20 PM EDT OCTOBER 24 2020.......SUNRISE 7:29 AM EDT SUNSET 6:18 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$