CDUS41 KLWX 012128 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 428 PM EST FRI DEC 01 2023 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 1 2023... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2023 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 50 2:07 PM 75 2006 51 -1 46 MINIMUM 33 6:21 AM 4 1967 32 1 27 AVERAGE 42 41 1 37 PRECIPITATION (IN) TODAY 0.10 2.02 1974 0.11 -0.01 0.00 MONTH TO DATE 0.10 0.11 -0.01 0.00 SINCE DEC 1 0.10 0.11 -0.01 0.00 SINCE JAN 1 29.13 40.05 -10.92 35.81 SNOWFALL (IN) TODAY 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 T 0.4 -0.4 T SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 23 24 -1 28 MONTH TO DATE 23 24 -1 28 SINCE DEC 1 23 24 -1 28 SINCE JUL 1 794 924 -130 862 COOLING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1380 1231 149 1376 ................................................................... WIND (MPH) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 3.7 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 86 4:00 PM LOWEST 53 12:00 AM AVERAGE 70 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 50 75 1970 MINIMUM TEMPERATURE (F) 32 0 1967 SUNRISE AND SUNSET DECEMBER 1 2023......SUNRISE 7:09 AM EST SUNSET 4:48 PM EST DECEMBER 2 2023......SUNRISE 7:10 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. $$