CDUS41 KLWX 192124 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 524 PM EDT TUE MAY 19 2026 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 19 2026... VALID TODAY AS OF 0500 PM LOCAL TIME. 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) TODAY MAXIMUM 96R 2:47 PM 92 1996 76 20 75 1997 MINIMUM 72 5:46 AM 36 2002 54 18 55 AVERAGE 84 65 19 65 PRECIPITATION (IN) TODAY T 1.18 1988 0.15 -0.15 0.00 MONTH TO DATE 0.87 2.83 -1.96 3.34 SINCE MAR 1 5.39 9.80 -4.41 6.77 SINCE JAN 1 11.19 15.35 -4.16 11.19 SNOWFALL (IN) TODAY 0.0 MM MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 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 0 DEGREE DAYS HEATING TODAY 0 3 -3 0 MONTH TO DATE 93 87 6 20 SINCE MAR 1 743 1054 -311 711 SINCE JUL 1 4372 4564 -192 4033 COOLING TODAY 19 3 16 0 MONTH TO DATE 49 38 11 68 SINCE MAR 1 135 60 75 115 SINCE JAN 1 135 60 75 115 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 7.3 SKY COVER AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. THUNDERSTORM RELATIVE HUMIDITY (PERCENT) HIGHEST 68 4:00 AM LOWEST 32 4:00 PM AVERAGE 50 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 76 93 1996 MINIMUM TEMPERATURE (F) 54 36 2002 SUNRISE AND SUNSET MAY 19 2026...........SUNRISE 5:54 AM EDT SUNSET 8:19 PM EDT MAY 20 2026...........SUNRISE 5:53 AM EDT SUNSET 8:20 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$