736 CDUS41 KLWX 270526 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 126 AM EDT TUE APR 27 2021 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 26 2021... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1960 TO 2021 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 69 6:01 PM 92 1990 70 -1 56 2009 MINIMUM 41 4:56 AM 31 1967 45 -4 47 AVERAGE 55 58 -3 52 PRECIPITATION (IN) YESTERDAY 0.00 0.93 2004 0.12 -0.12 0.38 MONTH TO DATE 2.22 3.00 -0.78 4.02 SINCE MAR 1 4.49 6.38 -1.89 6.01 SINCE JAN 1 10.65 11.80 -1.15 12.58 SNOWFALL (IN) YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0 2002 MONTH TO DATE T 0.3 -0.3 T SINCE MAR 1 T 3.1 -3.1 T SINCE JUL 1 12.0 22.0 -10.0 2.9 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 10 8 2 13 MONTH TO DATE 295 307 -12 337 SINCE MAR 1 810 954 -144 785 SINCE JUL 1 4003 4544 -541 3929 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 5 14 -9 0 SINCE MAR 1 9 17 -8 3 SINCE JAN 1 9 17 -8 3 ................................................................... WIND (MPH) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 9.0 SKY COVER AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 76 11:00 PM LOWEST 22 3:00 PM AVERAGE 49 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 70 92 1990 2009 MINIMUM TEMPERATURE (F) 45 31 1972 1987 SUNRISE AND SUNSET APRIL 27 2021.........SUNRISE 6:16 AM EDT SUNSET 7:59 PM EDT APRIL 28 2021.........SUNRISE 6:15 AM EDT SUNSET 8:00 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$