436 CDUS41 KLWX 040531 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 131 AM EDT TUE APR 04 2023 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 3 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2023 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 73 4:14 PM 86 1981 62 11 60 MINIMUM 31 5:23 AM 23 1991 39 -8 40 AVERAGE 52 50 2 50 PRECIPITATION (IN) YESTERDAY 0.00 0.70 2008 0.12 -0.12 0.00 MONTH TO DATE 0.21 0.34 -0.13 0.04 SINCE MAR 1 1.78 3.84 -2.06 1.96 SINCE JAN 1 5.41 9.39 -3.98 8.16 SNOWFALL (IN) YESTERDAY 0.0 T 1987 0.0 0.0 0.0 2008 2016 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE MAR 1 T 3.9 -3.9 3.5 SINCE JUL 1 0.4 20.9 -20.5 15.8 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 13 15 -2 15 MONTH TO DATE 34 46 -12 46 SINCE MAR 1 604 693 -89 569 SINCE JUL 1 3558 4203 -645 3643 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 1 2 -1 3 SINCE JAN 1 1 2 -1 3 ................................................................... WIND (MPH) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 10.4 SKY COVER AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 85 6:00 AM LOWEST 35 2:00 PM AVERAGE 60 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 62 85 2011 MINIMUM TEMPERATURE (F) 39 22 1965 2013 SUNRISE AND SUNSET APRIL 4 2023.........SUNRISE 6:50 AM EDT SUNSET 7:36 PM EDT APRIL 5 2023.........SUNRISE 6:49 AM EDT SUNSET 7:37 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$