342 CDUS41 KLWX 010520 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1220 AM EST TUE FEB 01 2022 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 31 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 38 3:55 PM 66 2012 43 -5 32 MINIMUM 17 4:45 AM -7 1965 25 -8 28 AVERAGE 28 34 -6 30 PRECIPITATION (IN) YESTERDAY 0.00 0.68 1985 0.09 -0.09 0.31 MONTH TO DATE 3.90 2.94 0.96 1.88 SINCE DEC 1 4.36 6.24 -1.88 7.69 SINCE JAN 1 3.90 2.94 0.96 1.88 SNOWFALL (IN) YESTERDAY 0.0 4.7 1985 0.3 -0.3 3.0 MONTH TO DATE 11.4 6.9 4.5 3.2 SINCE DEC 1 11.4 9.7 1.7 5.6 SINCE JUL 1 11.4 10.0 1.4 5.6 SNOW DEPTH 1 DEGREE DAYS HEATING YESTERDAY 37 31 6 35 MONTH TO DATE 1032 957 75 904 SINCE DEC 1 1647 1802 -155 1706 SINCE JUL 1 2373 2702 -329 2373 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 10 HIGHEST WIND DIRECTION NE (60) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (100) AVERAGE WIND SPEED 4.1 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 74 5:00 AM LOWEST 44 4:00 PM AVERAGE 59 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 43 75 2002 MINIMUM TEMPERATURE (F) 25 2 1965 SUNRISE AND SUNSET FEBRUARY 1 2022......SUNRISE 7:16 AM EST SUNSET 5:31 PM EST FEBRUARY 2 2022......SUNRISE 7:15 AM EST SUNSET 5:32 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$