316 CDUS41 KLWX 040528 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1227 AM EST TUE FEB 4 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 3 2020... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1960 TO 2020 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 67R 316 PM 66 1991 44 23 57 MINIMUM 40 719 AM 1 1965 25 15 22 AVERAGE 54 34 20 40 PRECIPITATION (IN) YESTERDAY 0.00 1.33 2014 0.10 -0.10 0.00 MONTH TO DATE 0.10 0.30 -0.20 0.07 SINCE DEC 1 6.40 5.94 0.46 9.79 SINCE JAN 1 3.43 2.98 0.45 4.03 SNOWFALL (IN) YESTERDAY 0.0 3.5 1996 0.4 -0.4 MONTH TO DATE 0.0 1.0 -1.0 SINCE JUL 1 2.9 12.3 -9.4 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 11 31 -20 25 MONTH TO DATE 60 93 -33 115 SINCE DEC 1 1664 1961 -297 1920 SINCE JUL 1 2527 2877 -350 2878 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 26 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 9.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 62 700 AM LOWEST 29 100 PM AVERAGE 46 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 44 70 1991 MINIMUM TEMPERATURE (F) 25 4 1996 1965 SUNRISE AND SUNSET FEBRUARY 4 2020......SUNRISE 714 AM EST SUNSET 534 PM EST FEBRUARY 5 2020......SUNRISE 713 AM EST SUNSET 535 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$