CDUS41 KLWX 210528 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 125 AM EDT TUE MAY 21 2019 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 20 2019... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1960 TO 2019 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 88 356 PM 93 1996 76 12 87 MINIMUM 69 1159 PM 36 2002 52 17 67 AVERAGE 79 64 15 77 PRECIPITATION (IN) YESTERDAY T 1.86 2005 0.15 -0.15 0.00 MONTH TO DATE 4.04 2.87 1.17 5.67 SINCE MAR 1 11.41 9.72 1.69 11.01 SINCE JAN 1 18.87 15.14 3.73 17.40 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 SINCE JUL 1 26.5 22.0 4.5 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 3 -3 0 MONTH TO DATE 52 103 -51 21 SINCE MAR 1 934 1085 -151 1210 SINCE JUL 1 4439 4675 -236 4561 COOLING YESTERDAY 14 3 11 12 MONTH TO DATE 66 33 33 82 SINCE MAR 1 88 53 35 97 SINCE JAN 1 88 53 35 102 .................................................................. WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 10.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 78 600 AM LOWEST 34 600 PM AVERAGE 56 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 76 92 1996 MINIMUM TEMPERATURE (F) 53 33 1992 SUNRISE AND SUNSET MAY 21 2019...........SUNRISE 553 AM EDT SUNSET 821 PM EDT MAY 22 2019...........SUNRISE 552 AM EDT SUNSET 822 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$