252 CDUS41 KLWX 300522 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 122 AM EDT FRI OCT 30 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 29 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 63 1:24 AM 82 1984 64 -1 65 MINIMUM 51 11:59 PM 19 1976 40 11 48 AVERAGE 57 52 5 57 PRECIPITATION (IN) YESTERDAY 1.68 4.26 2012 0.11 1.57 0.00 MONTH TO DATE 3.38 3.03 0.35 4.25 SINCE SEP 1 5.66 6.95 -1.29 4.66 SINCE JAN 1 39.88 34.95 4.93 34.50 SNOWFALL (IN) YESTERDAY 0.0 0.6 2011 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 13 -5 8 MONTH TO DATE 167 270 -103 177 SINCE SEP 1 228 326 -98 182 SINCE JUL 1 228 328 -100 182 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 18 16 2 51 SINCE SEP 1 153 157 -4 289 SINCE JAN 1 1405 1173 232 1524 ................................................................... WIND (MPH) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 8.3 SKY COVER AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 12:00 PM LOWEST 86 1:00 AM AVERAGE 92 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 84 2016 MINIMUM TEMPERATURE (F) 40 20 1969 SUNRISE AND SUNSET OCTOBER 30 2020.......SUNRISE 7:35 AM EDT SUNSET 6:11 PM EDT OCTOBER 31 2020.......SUNRISE 7:37 AM EDT SUNSET 6:10 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$