004 CDUS41 KLWX 290526 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 126 AM EDT MON JUN 29 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 28 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 11:21 AM 97 1966 87 0 92 MINIMUM 72 10:51 PM 44 1970 64 8 65 AVERAGE 80 76 4 79 PRECIPITATION (IN) YESTERDAY 0.00 1.06 1983 0.13 -0.13 T MONTH TO DATE 5.21 3.73 1.48 2.40 SINCE JUN 1 5.21 3.73 1.48 2.40 SINCE JAN 1 21.73 20.55 1.18 22.28 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 T SINCE JUN 1 0.0 0.0 0.0 T SINCE JUL 1 2.9 22.0 -19.1 26.5 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 5 13 -8 9 SINCE JUN 1 5 13 -8 9 SINCE JUL 1 4154 4715 -561 4456 COOLING YESTERDAY 15 11 4 14 MONTH TO DATE 247 216 31 226 SINCE JUN 1 247 216 31 226 SINCE JAN 1 324 308 16 405 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 4.9 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 11:00 PM LOWEST 57 11:00 AM AVERAGE 72 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 87 102 2012 MINIMUM TEMPERATURE (F) 64 47 1970 SUNRISE AND SUNSET JUNE 29 2020..........SUNRISE 5:47 AM EDT SUNSET 8:39 PM EDT JUNE 30 2020..........SUNRISE 5:48 AM EDT SUNSET 8:39 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$