719 CDUS41 KLWX 310522 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1222 AM EST TUE JAN 31 2023 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 30 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2023 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 60 4:11 PM 72 2013 43 17 30 MINIMUM 37 5:50 AM 2 1965 25 12 9 AVERAGE 49 34 15 20 PRECIPITATION (IN) YESTERDAY 0.00 2.00 2013 0.10 -0.10 0.00 MONTH TO DATE 1.29 2.85 -1.56 3.90 SINCE DEC 1 6.24 6.15 0.09 4.36 SINCE JAN 1 1.29 2.85 -1.56 3.90 SNOWFALL (IN) YESTERDAY 0.0 6.3 2000 0.3 -0.3 0.0 MONTH TO DATE T 6.6 -6.6 11.4 SINCE DEC 1 T 9.4 -9.4 11.4 SINCE JUL 1 T 9.7 -9.7 11.4 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 16 31 -15 45 MONTH TO DATE 670 926 -256 995 SINCE DEC 1 1532 1771 -239 1610 SINCE JUL 1 2366 2671 -305 2336 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 13 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 2.7 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 3:00 AM LOWEST 49 3:00 PM AVERAGE 73 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 43 66 2012 MINIMUM TEMPERATURE (F) 25 -7 1965 SUNRISE AND SUNSET JANUARY 31 2023.......SUNRISE 7:17 AM EST SUNSET 5:30 PM EST FEBRUARY 1 2023......SUNRISE 7:16 AM EST SUNSET 5:31 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$