121 CDUS41 KLWX 060525 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1225 AM EST SUN DEC 06 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 5 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 48 12:38 PM 77 2001 49 -1 46 MINIMUM 41 11:59 PM 12 1966 30 11 30 AVERAGE 45 40 5 38 PRECIPITATION (IN) YESTERDAY 0.59 1.02 2003 0.11 0.48 0.01 MONTH TO DATE 0.99 0.55 0.44 0.46 SINCE DEC 1 0.99 0.55 0.44 0.46 SINCE JAN 1 44.64 39.13 5.51 38.30 SNOWFALL (IN) YESTERDAY 0.0 6.2 2002 0.1 -0.1 0.0 MONTH TO DATE 0.0 0.4 -0.4 T SINCE DEC 1 0.0 0.4 -0.4 T SINCE JUL 1 0.0 0.9 -0.9 T SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 20 26 -6 27 MONTH TO DATE 110 124 -14 126 SINCE DEC 1 110 124 -14 126 SINCE JUL 1 777 1040 -263 989 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 25 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 14.9 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 12:00 AM LOWEST 47 4:00 PM AVERAGE 72 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 49 79 1998 MINIMUM TEMPERATURE (F) 29 9 2002 SUNRISE AND SUNSET DECEMBER 6 2020......SUNRISE 7:15 AM EST SUNSET 4:47 PM EST DECEMBER 7 2020......SUNRISE 7:15 AM EST SUNSET 4:47 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$