349 CDUS41 KLWX 250527 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 127 AM EDT SUN JUL 25 2021 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 24 2021... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2021 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 87 3:10 PM 99 2010 88 -1 84 MINIMUM 61 4:02 AM 48 1985 67 -6 73 AVERAGE 74 77 -3 79 PRECIPITATION (IN) YESTERDAY T 0.86 2020 0.14 -0.14 0.86 MONTH TO DATE 2.40 3.27 -0.87 4.33 SINCE JUN 1 6.05 7.57 -1.52 9.54 SINCE JAN 1 19.63 24.81 -5.18 26.06 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 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 6 13 -7 5 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 9 12 -3 14 MONTH TO DATE 318 286 32 386 SINCE JUN 1 612 524 88 659 SINCE JAN 1 721 630 91 736 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 6.9 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 5:00 AM LOWEST 53 2:00 PM AVERAGE 69 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 100 2016 MINIMUM TEMPERATURE (F) 67 55 1976 SUNRISE AND SUNSET JULY 25 2021..........SUNRISE 6:05 AM EDT SUNSET 8:27 PM EDT JULY 26 2021..........SUNRISE 6:06 AM EDT SUNSET 8:26 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$