739 CDUS41 KLWX 070523 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 123 AM EDT TUE APR 07 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 6 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 70 3:24 PM 93 2010 64 6 69 MINIMUM 45 10:21 PM 24 1966 39 6 43 2016 AVERAGE 58 51 7 56 PRECIPITATION (IN) YESTERDAY T 1.57 2017 0.12 -0.12 0.00 MONTH TO DATE T 0.72 -0.72 0.35 SINCE MAR 1 1.99 4.10 -2.11 4.90 SINCE JAN 1 8.56 9.52 -0.96 12.36 SNOWFALL (IN) YESTERDAY 0.0 2.7 1990 0.0 0.0 0.0 MONTH TO DATE 0.0 0.1 -0.1 0.0 SINCE MAR 1 T 2.9 -2.9 1.6 SINCE JUL 1 2.9 21.8 -18.9 26.5 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 7 14 -7 9 MONTH TO DATE 68 89 -21 108 SINCE MAR 1 516 736 -220 792 SINCE JUL 1 3660 4326 -666 4297 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 3 3 0 0 SINCE JAN 1 3 3 0 0 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (350) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10) AVERAGE WIND SPEED 4.6 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 90 5:00 AM LOWEST 20 2:00 PM AVERAGE 55 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 91 2010 MINIMUM TEMPERATURE (F) 40 21 1977 SUNRISE AND SUNSET APRIL 7 2020.........SUNRISE 6:44 AM EDT SUNSET 7:40 PM EDT APRIL 8 2020.........SUNRISE 6:43 AM EDT SUNSET 7:41 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$