CDUS41 KLWX 070627 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 227 AM EDT MON APR 07 2025 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 6 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 62 9:59 AM 93 2010 63 -1 57 MINIMUM 51 11:59 PM 24 1966 40 11 38 2016 AVERAGE 57 52 5 48 PRECIPITATION (IN) YESTERDAY 0.01 1.57 2017 0.11 -0.10 0.00 MONTH TO DATE 0.15 0.65 -0.50 1.28 SINCE MAR 1 1.57 4.15 -2.58 5.17 SINCE JAN 1 5.99 9.70 -3.71 12.62 SNOWFALL (IN) YESTERDAY 0.0 2.7 1990 0.0 0.0 0.0 MONTH TO DATE 0.0 0.1 -0.1 T SINCE MAR 1 0.0 4.0 -4.0 T SINCE JUL 1 15.5 21.0 -5.5 11.7 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 8 14 -6 17 MONTH TO DATE 45 88 -43 94 SINCE MAR 1 495 735 -240 558 SINCE JUL 1 3817 4245 -428 3522 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 2 0 2 0 SINCE MAR 1 19 2 17 0 SINCE JAN 1 19 2 17 3 ................................................................... WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (360) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (10) AVERAGE WIND SPEED 7.0 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 11:00 AM LOWEST 75 2:00 PM AVERAGE 84 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 91 2010MINIMUM TEMPERATURE (F) 40 21 1977 SUNRISE AND SUNSET APRIL 7 2025.........SUNRISE 6:45 AM EDT SUNSET 7:40 PM EDT APRIL 8 2025.........SUNRISE 6:43 AM EDT SUNSET 7:41 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$