CDUS41 KLWX 042124 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 524 PM EDT MON MAY 04 2026 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 4 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 78 3:03 PM 90 2001 72 6 76 2018 MINIMUM 41 12:11 AM 31 1967 49 -8 62 AVERAGE 60 61 -1 69 PRECIPITATION (IN) TODAY 0.00 1.23 1996 0.15 -0.15 0.34 MONTH TO DATE 0.01 0.57 -0.56 0.51 SINCE MAR 1 4.53 7.54 -3.01 3.94 SINCE JAN 1 10.33 13.09 -2.76 8.36 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 5 6 -1 0 MONTH TO DATE 42 24 18 0 SINCE MAR 1 692 991 -299 691 SINCE JUL 1 4321 4501 -180 4013 COOLING TODAY 0 1 -1 4 MONTH TO DATE 0 4 -4 27 SINCE MAR 1 86 26 60 74 SINCE JAN 1 86 26 60 74 ................................................................... WIND (MPH) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 7.2 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 76 2:00 AM LOWEST 27 2:00 PM AVERAGE 52 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 88 1980 MINIMUM TEMPERATURE (F) 50 29 1976 SUNRISE AND SUNSET MAY 4 2026...........SUNRISE 6:08 AM EDT SUNSET 8:05 PM EDT MAY 5 2026...........SUNRISE 6:07 AM EDT SUNSET 8:06 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$