950 CDUS41 KLWX 180533 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1233 AM EST TUE FEB 18 2025 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 17 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 40 3:58 PM 75 1976 47 -7 41 MINIMUM 28 11:42 PM -4 1979 27 1 25 AVERAGE 34 37 -3 33 PRECIPITATION (IN) YESTERDAY 0.00 1.36 1998 0.09 -0.09 0.13 MONTH TO DATE 2.42 1.56 0.86 1.23 SINCE DEC 1 7.76 7.80 -0.04 12.98 SINCE JAN 1 4.42 4.50 -0.08 7.23 SNOWFALL (IN) YESTERDAY 0.0 4.1 1967 0.3 -0.3 1.1 MONTH TO DATE 4.9 4.6 0.3 1.7 SINCE DEC 1 15.5 14.3 1.2 11.7 SINCE JUL 1 15.5 14.6 0.9 11.7 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 31 28 3 32 MONTH TO DATE 458 504 -46 378 SINCE DEC 1 2355 2313 42 1920 SINCE JUL 1 3023 3213 -190 2691 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 3 SINCE JAN 1 0 0 0 3 ................................................................... WIND (MPH) HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 16.0 SKY COVER AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 69 2:00 AM LOWEST 30 4:00 PM AVERAGE 50 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 47 75 2011 MINIMUM TEMPERATURE (F) 27 -14 1979 SUNRISE AND SUNSET FEBRUARY 18 2025......SUNRISE 6:57 AM EST SUNSET 5:51 PM EST FEBRUARY 19 2025......SUNRISE 6:56 AM EST SUNSET 5:52 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$