615 CDUS41 KLWX 170523 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1223 AM EST TUE NOV 17 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 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 61 3:10 PM 74 2001 57 4 47 2005 MINIMUM 38 10:30 PM 14 1967 35 3 34 AVERAGE 50 46 4 41 PRECIPITATION (IN) YESTERDAY 0.00 1.75 1989 0.12 -0.12 0.00 MONTH TO DATE 2.03 1.80 0.23 0.29 SINCE SEP 1 7.85 8.97 -1.12 6.67 SINCE JAN 1 42.07 36.97 5.10 36.51 SNOWFALL (IN) YESTERDAY 0.0 T 1980 0.0 0.0 0.0 1995 2014 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 15 19 -4 24 MONTH TO DATE 161 260 -99 372 SINCE SEP 1 428 614 -186 557 SINCE JUL 1 428 616 -188 557 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 23 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 9.1 SKY COVER AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 55 11:00 PM LOWEST 18 3:00 PM AVERAGE 37 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 57 75 1963 MINIMUM TEMPERATURE (F) 35 17 1976 SUNRISE AND SUNSET NOVEMBER 17 2020......SUNRISE 6:55 AM EST SUNSET 4:54 PM EST NOVEMBER 18 2020......SUNRISE 6:56 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. $$