426 CDUS41 KLWX 040521 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 121 AM EDT SUN OCT 04 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 3 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 67 2:24 PM 86 2002 73 -6 82 2007 2018 MINIMUM 40 6:27 AM 30 1974 49 -9 72 2003 AVERAGE 54 61 -7 77 PRECIPITATION (IN) YESTERDAY 0.00 0.86 1987 0.10 -0.10 0.00 MONTH TO DATE 0.09 0.31 -0.22 0.00 SINCE SEP 1 2.37 4.23 -1.86 0.41 SINCE JAN 1 36.59 32.23 4.36 30.25 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 11 6 5 0 MONTH TO DATE 23 17 6 0 SINCE SEP 1 84 73 11 5 SINCE JUL 1 84 75 9 5 COOLING YESTERDAY 0 1 -1 12 MONTH TO DATE 0 5 -5 42 SINCE SEP 1 135 146 -11 280 SINCE JAN 1 1387 1162 225 1515 ................................................................... WIND (MPH) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 2.9 SKY COVER AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 6:00 AM LOWEST 37 1:00 PM AVERAGE 65 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 90 2013 MINIMUM TEMPERATURE (F) 48 26 1974 SUNRISE AND SUNSET OCTOBER 4 2020.......SUNRISE 7:09 AM EDT SUNSET 6:47 PM EDT OCTOBER 5 2020.......SUNRISE 7:10 AM EDT SUNSET 6:45 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$