948 CDUS41 KLWX 190532 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1231 AM EST WED FEB 19 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 18 2020... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1960 TO 2020 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 60 137 PM 75 2011 47 13 48 MINIMUM 39 526 AM -14 1979 26 13 35 AVERAGE 50 37 13 42 PRECIPITATION (IN) YESTERDAY T 1.29 1964 0.10 -0.10 0.17 MONTH TO DATE 2.13 1.78 0.35 1.92 SINCE DEC 1 8.43 7.42 1.01 11.64 SINCE JAN 1 5.46 4.46 1.00 5.88 SNOWFALL (IN) YESTERDAY 0.0 2.5 1979 0.3 -0.3 1964 MONTH TO DATE T 5.4 -5.4 SINCE JUL 1 2.9 16.7 -13.8 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 15 28 -13 23 MONTH TO DATE 387 537 -150 482 SINCE DEC 1 1991 2405 -414 2287 SINCE JUL 1 2854 3321 -467 3245 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 21 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 6.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 83 1000 AM LOWEST 44 200 PM AVERAGE 64 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 47 71 1997 MINIMUM TEMPERATURE (F) 27 6 2015 SUNRISE AND SUNSET FEBRUARY 19 2020......SUNRISE 657 AM EST SUNSET 551 PM EST FEBRUARY 20 2020......SUNRISE 655 AM EST SUNSET 552 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$