419 CDUS41 KLWX 180524 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1224 AM EST WED NOV 18 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 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 56 10:48 AM 75 1963 57 -1 44 MINIMUM 32 1:30 AM 17 1976 35 -3 34 AVERAGE 44 46 -2 39 PRECIPITATION (IN) YESTERDAY 0.00 1.03 1987 0.11 -0.11 0.00 MONTH TO DATE 2.03 1.91 0.12 0.29 SINCE SEP 1 7.85 9.08 -1.23 6.67 SINCE JAN 1 42.07 37.08 4.99 36.51 SNOWFALL (IN) YESTERDAY 0.0 T 1965 0.0 0.0 0.0 1967 1980 MONTH TO DATE 0.0 0.1 -0.1 T SINCE SEP 1 0.0 0.1 -0.1 T SINCE JUL 1 0.0 0.1 -0.1 T SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 21 19 2 26 MONTH TO DATE 182 279 -97 398 SINCE SEP 1 449 633 -184 583 SINCE JUL 1 449 635 -186 583 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 1 0 1 0 SINCE SEP 1 154 160 -6 289 SINCE JAN 1 1406 1176 230 1524 ................................................................... WIND (MPH) HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 14.2 SKY COVER AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 67 2:00 AM LOWEST 37 3:00 PM AVERAGE 52 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 57 76 1963 MINIMUM TEMPERATURE (F) 35 18 2014 SUNRISE AND SUNSET NOVEMBER 18 2020......SUNRISE 6:56 AM EST SUNSET 4:53 PM EST NOVEMBER 19 2020......SUNRISE 6:58 AM EST SUNSET 4:53 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$