252 CDUS41 KLWX 312125 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 525 PM EDT MON AUG 31 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 31 2020... VALID TODAY AS OF 0500 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1960 TO 2020 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 75 11:34 AM 98 1991 85 -10 86 MINIMUM 64 5:42 AM 43 1976 62 2 64 AVERAGE 70 73 -3 75 PRECIPITATION (IN) TODAY 0.40 3.21 1975 0.10 0.30 0.00 MONTH TO DATE 7.49 3.53 3.96 4.79 SINCE JUN 1 17.55 11.18 6.37 9.96 SINCE JAN 1 34.07 28.00 6.07 29.84 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 JUN 1 0.0 0.0 0.0 T SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 5 15 -10 9 SINCE JUL 1 0 0 0 0 COOLING TODAY 5 8 -3 10 MONTH TO DATE 401 324 77 356 SINCE JUN 1 1175 924 251 1056 SINCE JAN 1 1252 1016 236 1235 ................................................................... WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (150) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (130) AVERAGE WIND SPEED 2.8 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 2:00 PM LOWEST 73 10:00 AM AVERAGE 83 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 98 1962 1980 MINIMUM TEMPERATURE (F) 62 49 1970 1976 SUNRISE AND SUNSET AUGUST 31 2020........SUNRISE 6:38 AM EDT SUNSET 7:41 PM EDT SEPTEMBER 1 2020.....SUNRISE 6:39 AM EDT SUNSET 7:39 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$