CDUS41 KLWX 070621 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 221 AM EDT THU MAY 07 2026 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 6 2026... 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) YESTERDAY MAXIMUM 72 12:06 AM 90 1986 73 -1 71 MINIMUM 58 11:59 PM 36 1968 50 8 57 AVERAGE 65 61 4 64 PRECIPITATION (IN) YESTERDAY 0.27 1.18 2022 0.15 0.12 0.12 MONTH TO DATE 0.28 0.86 -0.58 0.87 SINCE MAR 1 4.80 7.83 -3.03 4.30 SINCE JAN 1 10.60 13.38 -2.78 8.72 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 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 YESTERDAY 0 5 -5 1 MONTH TO DATE 42 34 8 1 SINCE MAR 1 692 1001 -309 692 SINCE JUL 1 4321 4511 -190 4014 COOLING YESTERDAY 0 2 -2 0 MONTH TO DATE 7 8 -1 29 SINCE MAR 1 93 30 63 76 SINCE JAN 1 93 30 63 76 ................................................................... WIND (MPH) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 13.3 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 9:00 AM LOWEST 49 12:00 AM AVERAGE 71 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 90 19862000 MINIMUM TEMPERATURE (F) 50 28 1970 SUNRISE AND SUNSET MAY 7 2026...........SUNRISE 6:05 AM EDT SUNSET 8:08 PM EDT MAY 8 2026...........SUNRISE 6:04 AM EDT SUNSET 8:09 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$