CDUS41 KLWX 200626 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 226 AM EDT WED AUG 20 2025 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 19 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 4:31 PM 95 2002 86 -14 85 2019 MINIMUM 65 7:25 AM 51 1998 65 0 67 AVERAGE 69 76 -7 76 PRECIPITATION (IN) YESTERDAY 0.01 1.54 1967 0.11 -0.10 T MONTH TO DATE 0.83 2.17 -1.34 3.05 SINCE JUN 1 10.70 10.62 0.08 6.40 SINCE JAN 1 24.62 27.86 -3.24 23.70 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 15 13 2 0 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 4 11 -7 11 MONTH TO DATE 179 219 -40 272 SINCE JUN 1 977 835 142 1125 SINCE JAN 1 1095 941 154 1308 ................................................................... WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (90) AVERAGE WIND SPEED 6.1 SKY COVER AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 97 11:00 PM LOWEST 76 2:00 PM AVERAGE 87 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEARMAXIMUM TEMPERATURE (F) 86 104 1983 MINIMUM TEMPERATURE (F) 65 47 1964 1976 1998 SUNRISE AND SUNSET AUGUST 20 2025........SUNRISE 6:28 AM EDT SUNSET 7:57 PM EDT AUGUST 21 2025........SUNRISE 6:29 AM EDT SUNSET 7:56 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$