385 CDUS41 KLWX 160521 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 121 AM EDT FRI OCT 16 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 15 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 75 3:58 PM 88 1989 68 7 72 MINIMUM 51 6:33 AM 28 1987 44 7 39 AVERAGE 63 56 7 56 PRECIPITATION (IN) YESTERDAY 0.00 1.30 2014 0.10 -0.10 0.00 MONTH TO DATE 1.32 1.58 -0.26 0.10 SINCE SEP 1 3.60 5.50 -1.90 0.51 SINCE JAN 1 37.82 33.50 4.32 30.35 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 2 9 -7 9 MONTH TO DATE 84 110 -26 51 SINCE SEP 1 145 166 -21 56 SINCE JUL 1 145 168 -23 56 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 21 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 9.6 SKY COVER AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 6:00 AM LOWEST 55 1:00 PM AVERAGE 73 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 68 85 1989 MINIMUM TEMPERATURE (F) 44 30 1986 SUNRISE AND SUNSET OCTOBER 16 2020.......SUNRISE 7:21 AM EDT SUNSET 6:29 PM EDT OCTOBER 17 2020.......SUNRISE 7:22 AM EDT SUNSET 6:28 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$