357 CDUS41 KLWX 070531 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 131 AM EDT WED OCT 07 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 6 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 73 2:25 PM 89 2013 71 2 72 MINIMUM 40 5:52 AM 28 1968 47 -7 60 AVERAGE 57 59 -2 66 PRECIPITATION (IN) YESTERDAY 0.00 1.05 2006 0.11 -0.11 T MONTH TO DATE 0.15 0.63 -0.48 T SINCE SEP 1 2.43 4.55 -2.12 0.41 SINCE JAN 1 36.65 32.55 4.10 30.25 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 SEP 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 8 7 1 0 MONTH TO DATE 50 36 14 9 SINCE SEP 1 111 92 19 14 SINCE JUL 1 111 94 17 14 COOLING YESTERDAY 0 1 -1 1 MONTH TO DATE 0 8 -8 43 SINCE SEP 1 135 149 -14 281 SINCE JAN 1 1387 1165 222 1516 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (170) AVERAGE WIND SPEED 3.6 SKY COVER AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 6:00 AM LOWEST 44 2:00 PM AVERAGE 71 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 71 91 2007 MINIMUM TEMPERATURE (F) 47 31 1988 SUNRISE AND SUNSET OCTOBER 7 2020.......SUNRISE 7:12 AM EDT SUNSET 6:42 PM EDT OCTOBER 8 2020.......SUNRISE 7:13 AM EDT SUNSET 6:41 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$