694 CDUS41 KLWX 210528 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1228 AM EST SUN FEB 21 2021 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 20 2021... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1960 TO 2021 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 32 3:12 PM 77 2018 48 -16 38 MINIMUM 24 11:59 PM -2 1979 27 -3 28 AVERAGE 28 37 -9 33 PRECIPITATION (IN) YESTERDAY T 1.02 1996 0.10 -0.10 0.00 MONTH TO DATE 2.67 1.97 0.70 2.15 SINCE DEC 1 10.36 7.61 2.75 8.45 SINCE JAN 1 4.55 4.65 -0.10 5.48 SNOWFALL (IN) YESTERDAY T 4.7 2019 0.2 -0.2 0.0 MONTH TO DATE 6.2 5.9 0.3 T SINCE DEC 1 11.8 16.7 -4.9 2.9 SINCE JUL 1 11.8 17.2 -5.4 2.9 SNOW DEPTH 1 DEGREE DAYS HEATING YESTERDAY 37 28 9 32 MONTH TO DATE 627 593 34 443 SINCE DEC 1 2333 2461 -128 2047 SINCE JUL 1 3000 3377 -377 2910 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 0 0 0 0 ................................................................... WIND (MPH) HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 15.9 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 65 4:00 AM LOWEST 41 1:00 PM AVERAGE 53 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 48 80 2018 MINIMUM TEMPERATURE (F) 27 7 1968 1972 SUNRISE AND SUNSET FEBRUARY 21 2021......SUNRISE 6:53 AM EST SUNSET 5:54 PM EST FEBRUARY 22 2021......SUNRISE 6:52 AM EST SUNSET 5:55 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$