821 CDUS41 KLWX 270524 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 124 AM EDT THU AUG 27 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 26 2020... 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) YESTERDAY MAXIMUM 87 3:23 PM 95 1993 86 1 75 1998 2016 MINIMUM 69 5:58 AM 48 1977 63 6 60 AVERAGE 78 74 4 68 PRECIPITATION (IN) YESTERDAY 0.00 1.48 1965 0.11 -0.11 0.00 MONTH TO DATE 5.59 3.02 2.57 4.51 SINCE JUN 1 15.65 10.67 4.98 9.68 SINCE JAN 1 32.17 27.49 4.68 29.56 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 T 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 5 15 -10 9 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 13 9 4 3 MONTH TO DATE 342 278 64 320 SINCE JUN 1 1116 878 238 1020 SINCE JAN 1 1193 970 223 1199 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 7.4 SKY COVER AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 4:00 AM LOWEST 45 3:00 PM AVERAGE 66 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 100 1987 MINIMUM TEMPERATURE (F) 63 46 1969 SUNRISE AND SUNSET AUGUST 27 2020........SUNRISE 6:35 AM EDT SUNSET 7:47 PM EDT AUGUST 28 2020........SUNRISE 6:36 AM EDT SUNSET 7:45 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$