352 CDUS41 KLWX 260527 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 127 AM EDT TUE MAY 26 2020 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 25 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 77 5:36 PM 92 1991 77 0 81 MINIMUM 61 5:45 AM 36 1967 54 7 61 AVERAGE 69 66 3 71 PRECIPITATION (IN) YESTERDAY 0.00 1.76 1997 0.16 -0.16 0.05 MONTH TO DATE 2.25 3.65 -1.40 4.36 SINCE MAR 1 9.80 10.50 -0.70 11.73 SINCE JAN 1 16.37 15.92 0.45 19.19 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE MAR 1 T 3.1 -3.1 1.6 SINCE JUL 1 2.9 22.0 -19.1 26.5 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 3 -3 0 MONTH TO DATE 175 118 57 60 SINCE MAR 1 1005 1100 -95 942 SINCE JUL 1 4149 4690 -541 4447 COOLING YESTERDAY 4 3 1 6 MONTH TO DATE 32 48 -16 89 SINCE MAR 1 35 68 -33 111 SINCE JAN 1 35 68 -33 111 ................................................................... WIND (MPH) HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION E (110) HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SE (130) AVERAGE WIND SPEED 3.3 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 4:00 AM LOWEST 57 5:00 PM AVERAGE 72 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 92 2007 MINIMUM TEMPERATURE (F) 54 38 1967 SUNRISE AND SUNSET MAY 26 2020...........SUNRISE 5:49 AM EDT SUNSET 8:25 PM EDT MAY 27 2020...........SUNRISE 5:48 AM EDT SUNSET 8:26 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$