882 CDUS41 KLWX 190531 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1231 AM EST THU JAN 19 2023 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 18 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 58 1:48 PM 70 1990 42 16 40 MINIMUM 40 2:43 AM -1 1994 25 15 24 AVERAGE 49 34 15 32 PRECIPITATION (IN) YESTERDAY T 1.18 1980 0.09 -0.09 0.00 MONTH TO DATE 0.46 1.70 -1.24 3.22 SINCE DEC 1 5.41 5.00 0.41 3.68 SINCE JAN 1 0.46 1.70 -1.24 3.22 SNOWFALL (IN) YESTERDAY 0.0 4.2 1984 0.2 -0.2 0.0 MONTH TO DATE 0.0 3.4 -3.4 10.4 SINCE DEC 1 T 6.2 -6.2 10.4 SINCE JUL 1 T 6.5 -6.5 10.4 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 16 31 -15 33 MONTH TO DATE 375 554 -179 556 SINCE DEC 1 1237 1399 -162 1171 SINCE JUL 1 2071 2299 -228 1897 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 (320) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 8.5 SKY COVER AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 12:00 AM LOWEST 46 1:00 PM AVERAGE 72 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 42 65 1972 MINIMUM TEMPERATURE (F) 25 -6 1994 SUNRISE AND SUNSET JANUARY 19 2023.......SUNRISE 7:25 AM EST SUNSET 5:16 PM EST JANUARY 20 2023.......SUNRISE 7:25 AM EST SUNSET 5:17 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$