255 CDUS41 KLWX 040523 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1223 AM EST SAT JAN 4 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 3 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 53 1149 AM 68 2000 42 11 49 MINIMUM 45 536 AM 1 2018 24 21 30 AVERAGE 49 33 16 40 PRECIPITATION (IN) YESTERDAY 0.33 1.37 1999 0.07 0.26 0.00 MONTH TO DATE 0.33 0.23 0.10 0.00 SINCE DEC 1 3.30 3.19 0.11 5.76 SINCE JAN 1 0.33 0.23 0.10 0.00 SNOWFALL (IN) YESTERDAY MM 0.9 1989 0.2 MM MONTH TO DATE 0.0 0.5 -0.5 SINCE JUL 1 0.6 4.5 -3.9 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 16 32 -16 25 MONTH TO DATE 71 96 -25 63 SINCE DEC 1 871 978 -107 867 SINCE JUL 1 1734 1894 -160 1825 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 0 0 0 0 .................................................................. WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 4.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 700 PM LOWEST 66 200 AM AVERAGE 81 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 42 74 1997 MINIMUM TEMPERATURE (F) 24 5 1979 SUNRISE AND SUNSET JANUARY 4 2020.......SUNRISE 729 AM EST SUNSET 501 PM EST JANUARY 5 2020.......SUNRISE 729 AM EST SUNSET 501 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$