937 CDUS41 KLWX 210524 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1224 AM EST FRI JAN 21 2022 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 20 2022... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2022 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 41 7:24 AM 63 2006 42 -1 43 MINIMUM 25 11:59 PM -7 1985 25 0 22 AVERAGE 33 34 -1 33 PRECIPITATION (IN) YESTERDAY 0.48 1.01 1979 0.10 0.38 0.01 MONTH TO DATE 3.77 1.89 1.88 1.26 SINCE DEC 1 4.23 5.19 -0.96 7.07 SINCE JAN 1 3.77 1.89 1.88 1.26 SNOWFALL (IN) YESTERDAY T 4.6 2000 0.2 -0.2 T MONTH TO DATE 10.4 3.9 6.5 T SINCE DEC 1 10.4 6.7 3.7 2.4 SINCE JUL 1 10.4 7.0 3.4 2.4 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 32 31 1 32 MONTH TO DATE 614 616 -2 550 SINCE DEC 1 1229 1461 -232 1352 SINCE JUL 1 1955 2361 -406 2019 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 20 HIGHEST WIND DIRECTION N (350) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (350) AVERAGE WIND SPEED 9.8 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN LIGHT SNOW FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 1:00 AM LOWEST 45 8:00 PM AVERAGE 69 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 42 63 2018 MINIMUM TEMPERATURE (F) 25 -16 1984 SUNRISE AND SUNSET JANUARY 21 2022.......SUNRISE 7:24 AM EST SUNSET 5:19 PM EST JANUARY 22 2022.......SUNRISE 7:24 AM EST SUNSET 5:20 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$