591 CDUS41 KLWX 020522 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1222 AM EST WED DEC 02 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 1 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 47 12:02 AM 75 2006 51 -4 43 MINIMUM 38 8:17 AM 4 1967 31 7 38 AVERAGE 43 41 2 41 PRECIPITATION (IN) YESTERDAY 0.01 2.02 1974 0.11 -0.10 0.39 MONTH TO DATE 0.01 0.11 -0.10 0.39 SINCE DEC 1 0.01 0.11 -0.10 0.39 SINCE JAN 1 43.66 38.69 4.97 38.23 SNOWFALL (IN) YESTERDAY 0.0 T 1974 0.1 -0.1 0.0 1981 1992 MONTH TO DATE 0.0 0.1 -0.1 0.0 SINCE DEC 1 0.0 0.1 -0.1 0.0 SINCE JUL 1 0.0 0.6 -0.6 T SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 22 24 -2 24 MONTH TO DATE 22 24 -2 24 SINCE DEC 1 22 24 -2 24 SINCE JUL 1 689 940 -251 887 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1406 1178 228 1524 ................................................................... WIND (MPH) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 8.8 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 82 7:00 AM LOWEST 41 3:00 PM AVERAGE 62 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 51 75 1970 MINIMUM TEMPERATURE (F) 31 0 1967 SUNRISE AND SUNSET DECEMBER 2 2020......SUNRISE 7:11 AM EST SUNSET 4:48 PM EST DECEMBER 3 2020......SUNRISE 7:12 AM EST SUNSET 4:48 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$