037 CDUS41 KLWX 190525 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 125 AM EDT MON OCT 19 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 18 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 65 3:22 PM 85 2016 68 -3 64 MINIMUM 34 6:48 AM 27 1976 43 -9 41 1982 AVERAGE 50 55 -5 53 PRECIPITATION (IN) YESTERDAY 0.00 2.09 1996 0.10 -0.10 0.00 MONTH TO DATE 1.33 1.88 -0.55 1.14 SINCE SEP 1 3.61 5.80 -2.19 1.55 SINCE JAN 1 37.83 33.80 4.03 31.39 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 15 10 5 12 MONTH TO DATE 122 140 -18 84 SINCE SEP 1 183 196 -13 89 SINCE JUL 1 183 198 -15 89 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 4 16 -12 48 SINCE SEP 1 139 157 -18 286 SINCE JAN 1 1391 1173 218 1521 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (170) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (150) AVERAGE WIND SPEED 2.9 SKY COVER AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 96 2:00 AM LOWEST 48 3:00 PM AVERAGE 72 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 67 87 2016 MINIMUM TEMPERATURE (F) 43 25 1976 SUNRISE AND SUNSET OCTOBER 19 2020.......SUNRISE 7:24 AM EDT SUNSET 6:25 PM EDT OCTOBER 20 2020.......SUNRISE 7:25 AM EDT SUNSET 6:24 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$