660 CDUS41 KLWX 220522 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1222 AM EST SUN NOV 22 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 21 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 67 1:36 PM 76 2007 55 12 54 MINIMUM 40 3:12 AM 16 1969 34 6 30 AVERAGE 54 45 9 42 PRECIPITATION (IN) YESTERDAY T 0.83 2005 0.12 -0.12 T MONTH TO DATE 2.03 2.38 -0.35 0.42 SINCE SEP 1 7.85 9.55 -1.70 6.80 SINCE JAN 1 42.07 37.55 4.52 36.64 SNOWFALL (IN) YESTERDAY 0.0 0.2 1987 0.1 -0.1 0.0 MONTH TO DATE 0.0 0.2 -0.2 T SINCE SEP 1 0.0 0.2 -0.2 T SINCE JUL 1 0.0 0.2 -0.2 T SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 11 20 -9 23 MONTH TO DATE 263 358 -95 481 SINCE SEP 1 530 712 -182 666 SINCE JUL 1 530 714 -184 666 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 1 0 1 0 SINCE SEP 1 154 160 -6 289 SINCE JAN 1 1406 1176 230 1524 ................................................................... WIND (MPH) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (20) AVERAGE WIND SPEED 3.3 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 82 4:00 AM LOWEST 54 1:00 PM AVERAGE 68 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 55 75 2007 MINIMUM TEMPERATURE (F) 34 14 1964 2014 SUNRISE AND SUNSET NOVEMBER 22 2020......SUNRISE 7:01 AM EST SUNSET 4:51 PM EST NOVEMBER 23 2020......SUNRISE 7:02 AM EST SUNSET 4:51 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$