596 CDUS41 KLWX 290525 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1224 AM EST WED JAN 29 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 28 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 45 333 PM 68 2002 43 2 38 MINIMUM 38 749 AM -17 1987 24 14 27 AVERAGE 42 34 8 33 PRECIPITATION (IN) YESTERDAY 0.00 1.64 1998 0.10 -0.10 0.00 MONTH TO DATE 3.25 2.40 0.85 3.71 SINCE DEC 1 6.22 5.36 0.86 9.47 SINCE JAN 1 3.25 2.40 0.85 3.71 SNOWFALL (IN) YESTERDAY 0.0 6.7 1994 0.3 -0.3 MONTH TO DATE 2.3 6.4 -4.1 SINCE JUL 1 2.9 10.4 -7.5 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 23 31 -8 32 MONTH TO DATE 712 894 -182 865 SINCE DEC 1 1512 1776 -264 1669 SINCE JUL 1 2375 2692 -317 2627 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 NW (310) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 12.5 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 64 1200 AM LOWEST 49 100 PM AVERAGE 57 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 43 75 1975 MINIMUM TEMPERATURE (F) 24 -1 1987 1963 SUNRISE AND SUNSET JANUARY 29 2020.......SUNRISE 719 AM EST SUNSET 527 PM EST JANUARY 30 2020.......SUNRISE 718 AM EST SUNSET 528 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$