CDUS41 KLWX 160624 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 224 AM EDT THU APR 16 2026 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 15 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 91R 3:43 PM 87 1967 67 24 67 MINIMUM 58 5:09 AM 28 1971 43 15 50 1997 AVERAGE 75 55 20 59 PRECIPITATION (IN) YESTERDAY 0.00 1.96 1983 0.11 -0.11 T MONTH TO DATE 0.72 1.65 -0.93 1.37 SINCE MAR 1 3.57 5.15 -1.58 2.79 SINCE JAN 1 9.37 10.70 -1.33 7.21 SNOWFALL (IN) YESTERDAY 0.0 T 2014 0.0 0.0 0.0 2020 MONTH TO DATE 0.0 0.1 -0.1 0.0 SINCE MAR 1 1.0 4.0 -3.0 0.0 SINCE JUL 1 13.6 21.0 -7.4 15.5 SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 0 11 -11 6 MONTH TO DATE 93 196 -103 184 SINCE MAR 1 535 843 -308 634 SINCE JUL 1 4164 4353 -189 3956 COOLING YESTERDAY 10 1 9 0 MONTH TO DATE 42 4 38 2 SINCE MAR 1 58 6 52 19 SINCE JAN 1 58 6 52 19 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 6.2 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 96 4:00 AM LOWEST 31 3:00 PM AVERAGE 64 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 67 91 2002 MINIMUM TEMPERATURE (F) 43 28 1981 SUNRISE AND SUNSET APRIL 16 2026.........SUNRISE 6:32 AM EDT SUNSET 7:48 PM EDT APRIL 17 2026.........SUNRISE 6:30 AM EDT SUNSET 7:49 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$