720 CDUS41 KLWX 270626 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 226 AM EDT FRI JUN 27 2025 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 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 94 2:49 PM 99 2024 86 8 99 MINIMUM 71 4:59 AM 42 1979 65 6 70 AVERAGE 83 75 8 85 PRECIPITATION (IN) YESTERDAY 0.07 1.92 2006 0.15 -0.08 0.36 MONTH TO DATE 6.90 3.74 3.16 0.64 SINCE JUN 1 6.90 3.74 3.16 0.64 SINCE JAN 1 20.82 20.98 -0.16 17.94 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 JUN 1 0.0 0.0 0.0 0.0 SINCE JUL 1 15.5 21.0 -5.5 11.7 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 15 11 4 0 SINCE JUN 1 15 11 4 0 SINCE JUL 1 4106 4603 -497 3691 COOLING YESTERDAY 18 10 8 20 MONTH TO DATE 267 194 73 290 SINCE JUN 1 267 194 73 290 SINCE JAN 1 385 300 85 473 ................................................................... WIND (MPH) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (170) AVERAGE WIND SPEED 4.1 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 96 4:00 AM LOWEST 52 3:00 PM AVERAGE 74 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 100 1964 MINIMUM TEMPERATURE (F) 65 44 1979 SUNRISE AND SUNSET JUNE 27 2025..........SUNRISE 5:46 AM EDT SUNSET 8:39 PM EDT JUNE 28 2025..........SUNRISE 5:47 AM EDT SUNSET 8:39 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$