525 CDUS41 KLWX 180534 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 134 AM EDT WED MAR 18 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 17 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 64 3:22 PM 77 1963 56 8 52 MINIMUM 43 8:03 AM 16 1970 33 10 28 AVERAGE 54 44 10 40 PRECIPITATION (IN) YESTERDAY T 1.14 1993 0.11 -0.11 0.00 MONTH TO DATE 0.58 1.70 -1.12 1.80 SINCE MAR 1 0.58 1.70 -1.12 1.80 SINCE JAN 1 7.15 7.12 0.03 9.26 SNOWFALL (IN) YESTERDAY 0.0 4.5 2014 0.1 -0.1 0.0 MONTH TO DATE T 2.0 -2.0 1.6 SINCE MAR 1 T 2.0 -2.0 1.6 SINCE JUL 1 2.9 20.9 -18.0 26.5 DEGREE DAYS HEATING YESTERDAY 11 21 -10 25 MONTH TO DATE 271 395 -124 411 SINCE MAR 1 271 395 -124 411 SINCE JUL 1 3415 3985 -570 3916 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 0 0 0 SINCE JAN 1 0 0 0 0 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (360) AVERAGE WIND SPEED 7.1 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 86 6:00 AM LOWEST 50 4:00 PM AVERAGE 68 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 80 1989 MINIMUM TEMPERATURE (F) 33 13 1976 SUNRISE AND SUNSET MARCH 18 2020.........SUNRISE 7:16 AM EDT SUNSET 7:20 PM EDT MARCH 19 2020.........SUNRISE 7:14 AM EDT SUNSET 7:21 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$