CDUS41 KLWX 100549 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 149 AM EDT FRI MAY 10 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 9 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2024 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 74 2:57 PM 91 1963 74 0 68 MINIMUM 60 2:13 AM 30 1976 51 9 49 AVERAGE 67 62 5 59 PRECIPITATION (IN) YESTERDAY 0.02 0.93 1974 0.15 -0.13 0.14 MONTH TO DATE 1.52 1.29 0.23 0.66 SINCE MAR 1 7.15 8.26 -1.11 5.53 SINCE JAN 1 14.60 13.81 0.79 9.16 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 4.0 -4.0 T SINCE JUL 1 11.7 21.0 -9.3 0.4 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 5 -5 6 MONTH TO DATE 15 49 -34 75 SINCE MAR 1 694 1016 -322 858 SINCE JUL 1 3658 4526 -868 3822 COOLING YESTERDAY 2 2 0 0 MONTH TO DATE 42 14 28 5 SINCE MAR 1 86 36 50 50 SINCE JAN 1 89 36 53 50 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 6.2 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 81 9:00 PM LOWEST 53 10:00 AM AVERAGE 67 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 90 1963 MINIMUM TEMPERATURE (F) 51 31 1966 1983 SUNRISE AND SUNSET MAY 10 2024...........SUNRISE 6:01 AM EDT SUNSET 8:12 PM EDT MAY 11 2024...........SUNRISE 6:00 AM EDT SUNSET 8:12 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$