Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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683 CDUS41 KLWX 112125 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 525 PM EDT WED SEP 11 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 11 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 86 1:39 PM 99 1983 81 5 88 MINIMUM 55 6:33 AM 40 1976 60 -5 69 AVERAGE 71 70 1 79 PRECIPITATION (IN) TODAY 0.00 1.45 2023 0.13 -0.13 1.45 MONTH TO DATE T 1.35 -1.35 2.69 SINCE SEP 1 T 1.35 -1.35 2.69 SINCE JAN 1 25.78 30.57 -4.79 21.91 SNOWFALL (IN) TODAY 0.0 MM MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 T SINCE SEP 1 0.0 0.0 0.0 T SINCE JUL 1 0.0 0.0 0.0 T SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 0 1 -1 0 MONTH TO DATE 11 2 9 0 SINCE SEP 1 11 2 9 0 SINCE JUL 1 13 3 10 0 COOLING TODAY 6 6 0 14 MONTH TO DATE 29 80 -51 165 SINCE SEP 1 29 80 -51 165 SINCE JAN 1 1443 1136 307 1280 ................................................................... WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 2.1 SKY COVER AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 7:00 AM LOWEST 36 2:00 PM AVERAGE 65 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 95 1998 2019 MINIMUM TEMPERATURE (F) 60 40 1967 SUNRISE AND SUNSET SEPTEMBER 11 2024.....SUNRISE 6:48 AM EDT SUNSET 7:24 PM EDT SEPTEMBER 12 2024.....SUNRISE 6:49 AM EDT SUNSET 7:22 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$