532 CDUS41 KLWX 270644 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 244 AM EDT TUE MAY 27 2025 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 26 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 72 5:15 PM 92 2007 77 -5 89 2021 MINIMUM 52 11:59 PM 38 1967 56 -4 66 AVERAGE 62 67 -5 78 PRECIPITATION (IN) YESTERDAY T 3.59 2009 0.15 -0.15 0.12 MONTH TO DATE 3.96 3.95 0.01 4.01 SINCE MAR 1 7.39 10.92 -3.53 9.64 SINCE JAN 1 11.81 16.47 -4.66 17.09 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE MAR 1 0.0 4.0 -4.0 T SINCE JUL 1 15.5 21.0 -5.5 11.7 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 3 2 1 0 MONTH TO DATE 55 106 -51 47 SINCE MAR 1 746 1073 -327 726 SINCE JUL 1 4068 4583 -515 3690 COOLING YESTERDAY 0 4 -4 13 MONTH TO DATE 68 63 5 117 SINCE MAR 1 115 85 30 161 SINCE JAN 1 115 85 30 164 ................................................................... WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (10) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (360) AVERAGE WIND SPEED 3.5 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 70 10:00 PM LOWEST 39 5:00 PM AVERAGE 55 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 92 1965 2010 MINIMUM TEMPERATURE (F) 56 37 1972 SUNRISE AND SUNSET MAY 27 2025...........SUNRISE 5:48 AM EDT SUNSET 8:26 PM EDT MAY 28 2025...........SUNRISE 5:48 AM EDT SUNSET 8:27 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$