328 CDUS41 KLWX 110523 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1223 AM EST SAT JAN 11 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 10 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 56 809 PM 59 2016 42 14 35 MINIMUM 34 438 AM 0 1982 24 10 27 AVERAGE 45 33 12 31 PRECIPITATION (IN) YESTERDAY 0.00 1.00 2016 0.08 -0.08 0.00 MONTH TO DATE 0.98 0.81 0.17 0.25 SINCE DEC 1 3.95 3.77 0.18 6.01 SINCE JAN 1 0.98 0.81 0.17 0.25 SNOWFALL (IN) YESTERDAY 0.0 6.2 1965 0.2 -0.2 MONTH TO DATE 2.0 1.8 0.2 SINCE JUL 1 2.6 5.8 -3.2 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 20 32 -12 34 MONTH TO DATE 256 320 -64 237 SINCE DEC 1 1056 1202 -146 1041 SINCE JUL 1 1919 2118 -199 1999 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 16 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 8.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 77 900 PM LOWEST 59 1200 AM AVERAGE 68 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 42 71 1975 MINIMUM TEMPERATURE (F) 24 -5 1988 SUNRISE AND SUNSET JANUARY 11 2020.......SUNRISE 728 AM EST SUNSET 507 PM EST JANUARY 12 2020.......SUNRISE 728 AM EST SUNSET 508 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$