185 CDUS41 KLWX 300527 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1227 AM EST MON JAN 30 2023 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 29 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 47 11:10 AM 75 1975 43 4 32 MINIMUM 38 6:36 AM -1 1963 25 13 19 1987 AVERAGE 43 34 9 26 PRECIPITATION (IN) YESTERDAY 0.05 0.95 1990 0.09 -0.04 T MONTH TO DATE 1.29 2.75 -1.46 3.90 SINCE DEC 1 6.24 6.05 0.19 4.36 SINCE JAN 1 1.29 2.75 -1.46 3.90 SNOWFALL (IN) YESTERDAY 0.0 7.2 1966 0.3 -0.3 T MONTH TO DATE T 6.3 -6.3 11.4 SINCE DEC 1 T 9.1 -9.1 11.4 SINCE JUL 1 T 9.4 -9.4 11.4 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 22 31 -9 39 MONTH TO DATE 654 895 -241 950 SINCE DEC 1 1516 1740 -224 1565 SINCE JUL 1 2350 2640 -290 2291 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 15 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 6.9 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 89 9:00 PM LOWEST 51 10:00 AM AVERAGE 70 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 43 72 2013 MINIMUM TEMPERATURE (F) 25 2 1965 SUNRISE AND SUNSET JANUARY 30 2023.......SUNRISE 7:18 AM EST SUNSET 5:29 PM EST JANUARY 31 2023.......SUNRISE 7:17 AM EST SUNSET 5:30 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$