322 CDUS41 KLWX 130526 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1224 AM EST MON JAN 13 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 12 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 68 1220 AM 70 2018 42 26 34 2017 MINIMUM 46 1105 PM -4 1977 24 22 23 AVERAGE 57 33 24 29 PRECIPITATION (IN) YESTERDAY 0.38 0.91 2018 0.09 0.29 0.22 MONTH TO DATE 1.37 0.99 0.38 0.47 SINCE DEC 1 4.34 3.95 0.39 6.23 SINCE JAN 1 1.37 0.99 0.38 0.47 SNOWFALL (IN) YESTERDAY MM 6.1 1996 0.2 MM MONTH TO DATE 2.0 2.2 -0.2 SINCE JUL 1 2.6 6.2 -3.6 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 8 32 -24 36 MONTH TO DATE 270 384 -114 308 SINCE DEC 1 1070 1266 -196 1112 SINCE JUL 1 1933 2182 -249 2070 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 22 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 10.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 200 AM LOWEST 40 300 PM AVERAGE 67 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 42 69 2005 MINIMUM TEMPERATURE (F) 24 -3 1981 1977 SUNRISE AND SUNSET JANUARY 13 2020.......SUNRISE 728 AM EST SUNSET 509 PM EST JANUARY 14 2020.......SUNRISE 727 AM EST SUNSET 510 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$