329 CDUS41 KLWX 100527 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 127 AM EDT FRI APR 10 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 9 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 69 12:30 PM 89 2001 65 4 79 MINIMUM 45 11:59 PM 23 1977 40 5 55 AVERAGE 57 52 5 67 PRECIPITATION (IN) YESTERDAY 0.12 1.02 1998 0.13 -0.01 0.00 MONTH TO DATE 0.48 1.09 -0.61 0.38 SINCE MAR 1 2.47 4.47 -2.00 4.93 SINCE JAN 1 9.04 9.89 -0.85 12.39 SNOWFALL (IN) YESTERDAY 0.0 2.6 1982 0.0 0.0 0.0 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 8 13 -5 0 MONTH TO DATE 81 129 -48 114 SINCE MAR 1 529 776 -247 798 SINCE JUL 1 3673 4366 -693 4303 COOLING YESTERDAY 0 0 0 2 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 39 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 14.4 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM RAIN LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 93 7:00 AM LOWEST 33 5:00 PM AVERAGE 63 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 65 89 2013 MINIMUM TEMPERATURE (F) 41 19 1985 SUNRISE AND SUNSET APRIL 10 2020.........SUNRISE 6:40 AM EDT SUNSET 7:43 PM EDT APRIL 11 2020.........SUNRISE 6:38 AM EDT SUNSET 7:44 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$