Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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846 CDUS41 KLWX 090523 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 123 AM EDT MON SEP 09 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 8 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 3:47 PM 96 2016 82 -8 94 MINIMUM 46 5:32 AM 43 1984 61 -15 67 AVERAGE 60 72 -12 81 PRECIPITATION (IN) YESTERDAY 0.00 3.56 1987 0.12 -0.12 0.39 MONTH TO DATE T 0.97 -0.97 0.43 SINCE SEP 1 T 0.97 -0.97 0.43 SINCE JAN 1 25.78 30.19 -4.41 19.65 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 T 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 YESTERDAY 5 0 5 0 MONTH TO DATE 7 0 7 0 SINCE SEP 1 7 0 7 0 SINCE JUL 1 9 1 8 0 COOLING YESTERDAY 0 7 -7 16 MONTH TO DATE 21 61 -40 126 SINCE SEP 1 21 61 -40 126 SINCE JAN 1 1435 1117 318 1241 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 6.3 SKY COVER AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 83 6:00 AM LOWEST 27 5:00 PM AVERAGE 55 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 82 98 2016 MINIMUM TEMPERATURE (F) 61 40 1986 SUNRISE AND SUNSET SEPTEMBER 9 2024.....SUNRISE 6:46 AM EDT SUNSET 7:27 PM EDT SEPTEMBER 10 2024.....SUNRISE 6:47 AM EDT SUNSET 7:25 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$