CDUS41 KLWX 082128 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 528 PM EDT THU MAY 08 2025 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 8 2025... VALID TODAY AS OF 0500 PM LOCAL TIME. 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) TODAY MAXIMUM 77 12:39 PM 90 2000 73 4 86 MINIMUM 52 3:57 AM 29 1974 51 1 65 AVERAGE 65 62 3 76 PRECIPITATION (IN) TODAY 0.01 2.10 1960 0.15 -0.14 0.00 MONTH TO DATE 0.88 1.14 -0.26 1.50 SINCE MAR 1 4.31 8.11 -3.80 7.13 SINCE JAN 1 8.73 13.66 -4.93 14.58 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 0.0 4.0 -4.0 T SINCE JUL 1 15.5 21.0 -5.5 11.7 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 0 5 -5 0 MONTH TO DATE 2 44 -42 15 SINCE MAR 1 693 1011 -318 694 SINCE JUL 1 4015 4521 -506 3658 COOLING TODAY 0 2 -2 11 MONTH TO DATE 29 12 17 40 SINCE MAR 1 76 34 42 84 SINCE JAN 1 76 34 42 87 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 1.9 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 97 3:00 AM LOWEST 48 11:00 AM AVERAGE 73 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 91 1963 MINIMUM TEMPERATURE (F) 51 30 1976 SUNRISE AND SUNSET MAY 8 2025...........SUNRISE 6:04 AM EDT SUNSET 8:09 PM EDT MAY 9 2025...........SUNRISE 6:03 AM EDT SUNSET 8:10 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$