666 CDUS41 KLWX 182126 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 526 PM EDT SAT MAY 18 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 18 2024... VALID TODAY AS OF 0500 PM LOCAL TIME. 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) TODAY MAXIMUM 63 3:59 PM 91 1987 75 -12 70 MINIMUM 61 8:11 AM 33 1973 54 7 46 AVERAGE 62 64 -2 58 PRECIPITATION (IN) TODAY 0.64 3.13 1988 0.15 0.49 0.00 MONTH TO DATE 3.11 2.68 0.43 0.75 SINCE MAR 1 8.74 9.65 -0.91 5.62 SINCE JAN 1 16.19 15.20 0.99 9.25 SNOWFALL (IN) TODAY 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 TODAY 3 3 0 7 MONTH TO DATE 48 84 -36 92 SINCE MAR 1 727 1051 -324 875 SINCE JUL 1 3691 4561 -870 3839 COOLING TODAY 0 3 -3 0 MONTH TO DATE 44 35 9 16 SINCE MAR 1 88 57 31 61 SINCE JAN 1 91 57 34 61 ................................................................... WIND (MPH) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (160) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (150) AVERAGE WIND SPEED 3.9 SKY COVER AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 3:00 AM LOWEST 81 10:00 AM AVERAGE 87 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 76 92 1996 1997 MINIMUM TEMPERATURE (F) 54 36 2002 SUNRISE AND SUNSET MAY 18 2024...........SUNRISE 5:54 AM EDT SUNSET 8:19 PM EDT MAY 19 2024...........SUNRISE 5:53 AM EDT SUNSET 8:20 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$