743 CDUS41 KLWX 212122 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 522 PM EDT FRI MAY 21 2021 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 21 2021... VALID TODAY AS OF 0500 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2021 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 84 3:47 PM 92 1996 76 8 72 MINIMUM 50 5:19 AM 33 1992 55 -5 50 AVERAGE 67 65 2 61 PRECIPITATION (IN) TODAY 0.00 1.06 2003 0.17 -0.17 T MONTH TO DATE 1.03 3.16 -2.13 1.62 SINCE MAR 1 5.58 10.13 -4.55 9.17 SINCE JAN 1 11.74 15.68 -3.94 15.74 SNOWFALL (IN) TODAY MM MM MM 0.0 MM 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE MAR 1 T 4.0 -4.0 T SINCE JUL 1 12.0 21.0 -9.0 2.9 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 0 3 -3 4 MONTH TO DATE 117 93 24 175 SINCE MAR 1 932 1060 -128 1005 SINCE JUL 1 4125 4570 -445 4149 COOLING TODAY 2 3 -1 0 MONTH TO DATE 28 44 -16 19 SINCE MAR 1 54 66 -12 22 SINCE JAN 1 54 66 -12 22 ................................................................... WIND (MPH) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (230) AVERAGE WIND SPEED 4.1 SKY COVER AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 83 4:00 AM LOWEST 34 12:00 PM AVERAGE 59 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 76 88 1975 1984 2004 MINIMUM TEMPERATURE (F) 55 31 2002 SUNRISE AND SUNSET MAY 21 2021...........SUNRISE 5:52 AM EDT SUNSET 8:21 PM EDT MAY 22 2021...........SUNRISE 5:51 AM EDT SUNSET 8:22 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$