CDUS41 KLWX 150523 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 122 AM EDT TUE OCT 15 2019 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 14 2019... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1960 TO 2019 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 76 317 PM 86 1975 69 7 57 MINIMUM 39 619 AM 23 1988 44 -5 40 AVERAGE 58 56 2 49 PRECIPITATION (IN) YESTERDAY 0.00 1.61 1995 0.11 -0.11 0.04 MONTH TO DATE 0.10 1.48 -1.38 1.06 SINCE SEP 1 0.51 5.40 -4.89 8.42 SINCE JAN 1 30.35 33.40 -3.05 51.68 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 7 9 -2 16 MONTH TO DATE 42 101 -59 39 SINCE SEP 1 47 157 -110 52 SINCE JUL 1 47 159 -112 52 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 48 16 32 97 SINCE SEP 1 286 157 129 338 SINCE JAN 1 1521 1173 348 1522 .................................................................. WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 4.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 700 AM LOWEST 25 1200 PM AVERAGE 63 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 68 88 1989 MINIMUM TEMPERATURE (F) 44 28 1987 SUNRISE AND SUNSET OCTOBER 15 2019.......SUNRISE 719 AM EDT SUNSET 632 PM EDT OCTOBER 16 2019.......SUNRISE 720 AM EDT SUNSET 630 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$