323 CDUS41 KLWX 120524 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 124 AM EDT SUN APR 12 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 11 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 63 3:49 PM 87 1977 65 -2 60 MINIMUM 34 12:40 AM 25 1960 41 -7 45 1970 1971 AVERAGE 49 53 -4 53 PRECIPITATION (IN) YESTERDAY 0.00 0.74 2009 0.12 -0.12 0.00 MONTH TO DATE 0.48 1.33 -0.85 0.38 SINCE MAR 1 2.47 4.71 -2.24 4.93 SINCE JAN 1 9.04 10.13 -1.09 12.39 SNOWFALL (IN) YESTERDAY 0.0 T 1973 0.0 0.0 0.0 1986 MONTH TO DATE 0.0 0.2 -0.2 0.0 SINCE MAR 1 T 3.0 -3.0 1.6 SINCE JUL 1 2.9 21.9 -19.0 26.5 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 16 12 4 12 MONTH TO DATE 119 154 -35 134 SINCE MAR 1 567 801 -234 818 SINCE JUL 1 3711 4391 -680 4323 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 8 SINCE MAR 1 3 3 0 8 SINCE JAN 1 3 3 0 8 ................................................................... WIND (MPH) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 7.5 SKY COVER AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 67 10:00 PM LOWEST 32 7:00 PM AVERAGE 50 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 87 1977 MINIMUM TEMPERATURE (F) 41 23 1982 SUNRISE AND SUNSET APRIL 12 2020.........SUNRISE 6:37 AM EDT SUNSET 7:45 PM EDT APRIL 13 2020.........SUNRISE 6:35 AM EDT SUNSET 7:46 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$