688 CDUS41 KLWX 010529 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1229 AM EST TUE DEC 01 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 30 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 62 12:13 PM 72 1991 51 11 44 MINIMUM 47 11:59 PM 11 1976 31 16 38 AVERAGE 55 41 14 41 PRECIPITATION (IN) YESTERDAY 1.38R 1.31 2016 0.12 1.26 0.00 MONTH TO DATE 3.61 3.41 0.20 1.62 SINCE SEP 1 9.43 10.58 -1.15 8.00 SINCE JAN 1 43.65 38.58 5.07 37.84 SNOWFALL (IN) YESTERDAY 0.0 11.4 1967 0.0 0.0 0.0 MONTH TO DATE 0.0 0.5 -0.5 T SINCE SEP 1 0.0 0.5 -0.5 T SINCE JUL 1 0.0 0.5 -0.5 T SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 10 24 -14 24 MONTH TO DATE 400 559 -159 678 SINCE SEP 1 667 913 -246 863 SINCE JUL 1 667 915 -248 863 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 1 2 -1 0 SINCE SEP 1 154 162 -8 289 SINCE JAN 1 1406 1178 228 1524 ................................................................... WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 6.9 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 10:00 AM LOWEST 63 11:00 PM AVERAGE 80 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 51 75 2006 MINIMUM TEMPERATURE (F) 31 4 1967 SUNRISE AND SUNSET DECEMBER 1 2020......SUNRISE 7:10 AM EST SUNSET 4:48 PM EST DECEMBER 2 2020......SUNRISE 7:11 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. $$