420 CDUS41 KLWX 180526 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 126 AM EDT SAT APR 18 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 17 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 59 5:08 PM 93 2002 67 -8 73 MINIMUM 29 5:47 AM 27 1983 43 -14 54 AVERAGE 44 55 -11 64 PRECIPITATION (IN) YESTERDAY T 1.44 2000 0.11 -0.11 0.00 MONTH TO DATE 2.79 1.99 0.80 0.97 SINCE MAR 1 4.78 5.37 -0.59 5.52 SINCE JAN 1 11.35 10.79 0.56 12.98 SNOWFALL (IN) YESTERDAY 0.0 T 1983 0.0 0.0 0.0 MONTH TO DATE T 0.3 -0.3 0.0 SINCE MAR 1 T 3.1 -3.1 1.6 SINCE JUL 1 2.9 22.0 -19.1 26.5 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 21 11 10 1 MONTH TO DATE 211 223 -12 157 SINCE MAR 1 659 870 -211 841 SINCE JUL 1 3803 4460 -657 4346 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 0 5 -5 12 SINCE MAR 1 3 8 -5 12 SINCE JAN 1 3 8 -5 12 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 5.9 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 88 6:00 AM LOWEST 38 12:00 PM AVERAGE 63 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 68 90 1976 MINIMUM TEMPERATURE (F) 43 29 2018 SUNRISE AND SUNSET APRIL 18 2020.........SUNRISE 6:28 AM EDT SUNSET 7:50 PM EDT APRIL 19 2020.........SUNRISE 6:27 AM EDT SUNSET 7:51 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$