461 CDUS41 KLWX 070533 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1233 AM EST WED DEC 07 2022 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 6 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 50 11:59 PM 79 1998 49 1 69 MINIMUM 28 1:05 AM 9 2002 31 -3 39 AVERAGE 39 40 -1 54 PRECIPITATION (IN) YESTERDAY 0.04 1.03 2016 0.12 -0.08 0.00 MONTH TO DATE 0.37 0.69 -0.32 T SINCE DEC 1 0.37 0.69 -0.32 T SINCE JAN 1 36.18 40.63 -4.45 34.50 SNOWFALL (IN) YESTERDAY 0.0 1.0 2003 0.1 -0.1 0.0 MONTH TO DATE 0.0 0.4 -0.4 0.0 SINCE DEC 1 0.0 0.4 -0.4 0.0 SINCE JUL 1 T 0.7 -0.7 T SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 26 25 1 11 MONTH TO DATE 152 147 5 104 SINCE DEC 1 152 147 5 104 SINCE JUL 1 986 1047 -61 830 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 10 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 4.5 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 11:00 PM LOWEST 82 4:00 AM AVERAGE 88 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 49 77 1998 MINIMUM TEMPERATURE (F) 31 1 2002 SUNRISE AND SUNSET DECEMBER 7 2022......SUNRISE 7:15 AM EST SUNSET 4:47 PM EST DECEMBER 8 2022......SUNRISE 7:16 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. $$