804 CDUS41 KLWX 080524 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1224 AM EST THU DEC 08 2022 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 7 2022... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2022 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 55 4:20 PM 77 1998 49 6 43 MINIMUM 50 11:59 PM 1 2002 31 19 28 AVERAGE 53 40 13 36 PRECIPITATION (IN) YESTERDAY 0.03 2.14 2011 0.11 -0.08 0.00 MONTH TO DATE 0.40 0.80 -0.40 T SINCE DEC 1 0.40 0.80 -0.40 T SINCE JAN 1 36.21 40.74 -4.53 34.50 SNOWFALL (IN) YESTERDAY 0.0 1.6 1969 0.1 -0.1 0.0 MONTH TO DATE 0.0 0.5 -0.5 0.0 SINCE DEC 1 0.0 0.5 -0.5 0.0 SINCE JUL 1 T 0.8 -0.8 T SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 12 25 -13 29 MONTH TO DATE 164 172 -8 133 SINCE DEC 1 164 172 -8 133 SINCE JUL 1 998 1072 -74 859 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1376 1231 145 1480 ................................................................... WIND (MPH) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (340) HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (340) AVERAGE WIND SPEED 3.0 SKY COVER AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 8:00 PM LOWEST 89 12:00 AM AVERAGE 95 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 48 76 1980 MINIMUM TEMPERATURE (F) 30 13 2002 SUNRISE AND SUNSET DECEMBER 8 2022......SUNRISE 7:16 AM EST SUNSET 4:47 PM EST DECEMBER 9 2022......SUNRISE 7:17 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. $$