917 CDUS41 KLWX 090530 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 130 AM EDT SUN APR 09 2023 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 8 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2023 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 53 2:54 PM 87 1991 64 -11 63 MINIMUM 36 11:50 PM 24 1970 41 -5 38 AVERAGE 45 52 -7 51 PRECIPITATION (IN) YESTERDAY 0.00 1.15 2000 0.12 -0.12 0.05 MONTH TO DATE 0.34 0.88 -0.54 1.61 SINCE MAR 1 1.91 4.38 -2.47 3.53 SINCE JAN 1 5.54 9.93 -4.39 9.73 SNOWFALL (IN) YESTERDAY 0.0 T 1972 0.0 0.0 0.0 2000 MONTH TO DATE 0.0 0.1 -0.1 0.0 SINCE MAR 1 T 4.0 -4.0 3.5 SINCE JUL 1 0.4 21.0 -20.6 15.8 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 20 13 7 14 MONTH TO DATE 68 114 -46 121 SINCE MAR 1 638 761 -123 644 SINCE JUL 1 3592 4271 -679 3718 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 18 0 18 0 SINCE MAR 1 19 2 17 3 SINCE JAN 1 19 2 17 3 ................................................................... WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (40) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (50) AVERAGE WIND SPEED 6.3 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 73 12:00 AM LOWEST 28 5:00 PM AVERAGE 51 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 65 89 2001 MINIMUM TEMPERATURE (F) 41 23 1977 SUNRISE AND SUNSET APRIL 9 2023.........SUNRISE 6:42 AM EDT SUNSET 7:41 PM EDT APRIL 10 2023.........SUNRISE 6:41 AM EDT SUNSET 7:42 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$